Browse Topic: Weather and climate

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Development of Higher Clarity Injection Molded Windscreen for Motorcycles2024-32-004004/18/2025
The windscreen is one of the key elements to enhance passenger comfort of touring motorcycle. The clarity through the windscreen should not discomfort the rider. The discomfort we discuss here mainly refers to three factors: the “distortion,” the “blur,” and the “transparency.” Introduced in this paper is the technical measures to achieve sufficient clarity by the injection molding method. Firstly, with respect to the “distortion,” we determined the main cause was local unevenness of plate thickness. As the uneven thickness were related to the accuracy of the die, we clarified the tolerable zone and carried out higher precision machining of the die to satisfy the requirements. Regarding the “blur,” we analyzed the refractive power of the windscreen and found the main cause of blur is the microscopic roughness on the surface. As the microscopic roughness were attributable to the die surface, we clarified the tolerable zone and established the polishing conditions satisfactory for the
Yamada, Atsushi, Endo, Sakae
Technical Paper
Improving the Carbon Footprint of Long-Haul Trucks Running on First-Generation Biodiesel2025-01-500701/27/2025
Lowering carbon emissions from road-based transport is required to achieve climate targets. In addition to passenger cars, long-haul trucks contribute more than one-third of on-road generated carbon emissions. Therefore, this sector has great potential to reduce such emissions. Numerous options including electrified drivetrains are possible. Nevertheless, the existing fleet of trucks powered by conventional diesel engines also needs to be addressed. Additionally, a ramp-up of green electricity and charging infrastructure is required to ensure carbon-neutral and reliable transport. Heavy-duty diesel engines are typically suitable for use with first-generation biofuels. However, operational restrictions, such as shorter oil drain intervals are mandatory for users. In the case at hand, the oil change was mandatory after only 30,000 km when pure biodiesel (B100) was used instead of 120,000 km when operating on conventional, mineral oil-based diesel. These boundaries counter efforts to
Rohbogner, Christoph J., Heine, Carsten
Technical Paper
THE ARMY’S NEED FOR COGNITIVE ENGINEERING2024-01-310811/15/2024
ABSTRACT Imagine Soldiers reacting to an unpredictable, dynamic, stressful situation on the battlefield. How those Soldiers think about the information presented to them by the system or other Soldiers during this situation – and how well they translate that into thinking into effective behaviors – is critical to how well they perform. Importantly, those thought processes (i.e., cognition) interact with both external (e.g., the size of the enemy force, weather) and internal (e.g., ability to communicate, personality, fatigue level) factors. The complicated nature of these interactions can have dramatic and unexpected consequences, as is seen in the analysis of military and industrial disasters, such as the shooting down of Iran Air flight 655, or the partial core meltdown on Three Mile Island. In both cases, decision makers needed to interact with equipment and personnel in a stressful, dynamic, and uncertain environment. Similarly, the complex and dynamic nature of the contemporary
McDowell, Kaleb, Zywiol, Harry J.
Technical Paper
Teaching Drones How to Navigate Real-World WeatherTBMG-4649509/01/2022
Right now, drones are either flown under controlled conditions, with no wind, or are operated by humans using remote controls. However, for drones to autonomously perform necessary but quotidian tasks, such as delivering packages or airlifting injured drivers from a traffic accident, drones must be able to adapt to wind conditions in real time.
Magazine Article
Design and Computational Investigations of Aerobot for Titan with maneuverability using momentum wheel and propeller equipped with droppable weather stations 2022-26-119105/26/2022
Titan, Saturn’s largest moon and the only celestial body which is found to have a landmass composed of liquid hydrocarbons. Nitrogen – The building block of all life that exists on earth is found to be abundant in Titan’s atmosphere of up to 97%. Aerobots provide a great platform for exploring a celestial body with an atmosphere such as Titan. They have modest power requirements, longer mission duration, and can cover a longer distance in a shorter time. They are powered by Radioisotope Thermoelectric Generator for optimal mission life. Aerobot’s altitude can be altered by varying the temperature of the air inside the balloon and yaw can be controlled using Reaction Wheel and a motor-driven propeller for forwarding thrust. The proposed Aerobot will be equipped with four miniature deployable fixed weather stations that can be dropped from the aerobot to titan’s surface. They can be deployed at diverse locations such as the equator and Polar Regions to deeply explore the Titan’s climate
Raja, Manoj Kumar, Sivasankaran, Abinash Nataraj, Saravana Mohan, Haribalan, Thangavel, Sabari, R, Vijayanandh, Gnanasekaran, Raj Kumar
Technical Paper
Artificial Intelligence in Air Cargo System2022-26-123805/26/2022
Air Cargo is one of the major Cargo transport industry globally. It is helping to transport goods swiftly across the globe during emergencies like pandemic, evacuation and natural calamities etc. It plays a key role in developing economy of country by importing and exporting goods across the globe. This business is growing every YOY with increase in demand for e-Commerce and globalisation. It is important to keep up the efficiency of the system as the business demand grows. This paper focus to understand how AI implementation can reduce the inefficiency and inconsistency due to the manual intervention in Cargo operation in different areas. The major implementation study area of AI in this paper include implementing in Cargo load planning to reduce the human dependency and error, implementation of AI in ground handling with the help of autopiloting vehicle which can operate in any weather condition, ordering sequence of loading priority of Unit Load Devices(ULD), operating control unit
Chitragar, Venkatesh, Gopan, Vishnu, Adavalath Puthiyaveettil, Sayooj, Vijaya chandran, Vinayak
Technical Paper
Simulation Of Air Conditioning System For Thermal Comfort Using Machine Learning techniques2022-26-122905/26/2022
This study is about the system which establishes a model for environmental factors such as temperature, humidity, and air velocity of thermal comfort indicators by implementing different Machine Learning technique. In this work the principal goal is analyzing air flow, distribution of temperature and pressure in the Living room. In order to achieve the goal the domain is consider which is divided in to discretized manner which will be further used to record the thermal sensation and airflow. For the same simulated environment the experiment will be conducted, which resulting in to forming the dataset with respect time, relative humidity, draft, temperature, air flow. By considering the recorded dataset, machine learning algorithm like SVM (Support Vector Machine), radial basis function for different kernels, Decision tree, XG Boost and Adaboost are used to create the model in Pythan. Finally, various performance metrics like accuracy, sensitivity and specificity for all techniques are
Shete, Prachi, raut, vaishnavi, Mandhare, Janhavi, Borgaonkar, Apeksha, Dorwat, Ajit
Technical Paper
5 Ws of Floating SensorsTBMG-4562104/07/2022
Magazine Article
A Soiling Mitigation Method to Enhance the Performance of ADAS in Adverse Weather 2022-01-007403/29/2022
The emergence of autonomous driving technology has tremendous mobility and social-economical benefits. Autonomous vehicles (AVs) rely on various sensors for environmental and traffic data. However, the sensor performance and reliability degrade in adverse weather conditions, which poses a challenge to the safety of AVs. Existing active mitigation strategies such as wipers and water jets are complex and expensive to implement. This study investigates soiling mitigation via rotating lens with the goal to maintain Advanced-Driver-Assistance-System (ADAS) sensor visibility in rain. The concept of rotating lens has merely been lightly explored in literature, but never been studied in detail with realistic continuous rain simulation to verify soiling mitigation effectiveness. An optical camera in place of a frontal vehicle ADAS sensor was integrated into a rotating lens for visual characterization. A wind tunnel was used to simulate various wind-driven rain scenarios in both urban and
Pao, Wing Yi, Li, Long, Agelin-chaab, Martin
Technical Paper
Quantifying Repeatability of Real-World On-Road Driving Using Dynamic Time Warping2022-01-031003/29/2022
There are numerous activities in the automotive industry in which a vehicle drives a pre-defined route multiple times, such as portable emissions measurement systems (PEMS) testing or real-world electric vehicle range testing, in which the speed profile is not the same for each drive cycle due to uncontrollable real-world variables such as traffic, stoplights, stalled vehicles, or weather conditions. It sometimes can be difficult, then, to compare each run accurately. To this end, this paper presents a method to compare and quantify the repeatability of real-world on-road vehicle driving schedules using dynamic time warping (DTW). DTW is a well-developed computational algorithm which compares two different signals describing the same underlying phenomenon but occurring at different time scales. In this paper, DTW is applied to real-world on-road drive cycles, and metrics are developed to quantify how similar these drive cycles are to a common reference cycle. It goes on to explore the
Lobato, Peter, Rayno, Mars, Daily, Jeremy, Bradley, Thomas
Technical Paper
Evaluation of the Effect of Ambient Conditions on the Fuel Consumption of Commercial Vehicles2022-01-064203/29/2022
The goal of this study was to evaluate the effect of environmental conditions, and particular of ambient temperature, on fuel efficiency. Data from various and extensive operational testing were analyzed, such as tests conducted with four groups of medium and heavy-duty vehicles, involved in regional transport, local transport, pick-up and delivery, and urban transport (school bus). The tests were conducted over 5 months of warm season followed by four months of cold season. Other operational testing was conducted over one year in two different geographic and climatic regions in Canada. Data from extensive track testing conducted based on the SAE J 1321 Fuel Consumption Test Procedure-Type II, with various vehicles in different test condition, from spring to winter, was also analyzed. In this type of tests, a control vehicle is used for the base trial, as well as the final trial. As there is no change on the control vehicle, only the environmental conditions impact the fuel consumption
Surcel, Marius-Dorin
Technical Paper
Measurement of Particle Dynamics on the Real Vehicle in Different Driving Scenarios with Swarm Sensors2021-01-129910/11/2021
Due to the increase in public attention to non-exhaust emission sources and their impact on human health extensive measurements have been performed in recent years with the aim to establish a consistent and comparable test standard. In particular, the consideration of tyre and brake abrasion is key because of the small and hazardous particle size and because the increasing ratio of electric vehicles only has these non-exhaust emissions. Measurements under controlled and laboratory-like environments, for example with a brake on a dynamometers, lead to attempts of a uniform test standard according to the WLTP. However, a transfer to the real driving environment is not yet feasible because of many external variables, such as wheel housing or atmospheric influences. Typical reference measurement sensors in the vehicle are only suitable to a limited extent for mobile operation due to their size and the necessary measurement infrastructure. The aim of this work is to analyse swarm
Ostermeyer, Georg-Peter, Lehne-Wandrey, Guido, Sandgaard, Malte
Technical Paper
A Study of Emission Durability and Ash Accumulation of “Advanced Three-Way Catalyst Integrated on Gasoline Particulate Filter” for BS6 (Stage2) Applications2021-26-018209/22/2021
India BS6 Stage2 (2023) regulations demands all Gasoline direct injection (GDI) vehicles to meet particulate number emissions (PN) below 6x10+11# per km. Gasoline particulate filters (GPF) are a proven technology and enable high PN filtration efficiencies throughout the entire vehicle lifetime. One challenge for GPF applications could be the changing emission performance characteristics as a function of mileage due to collected ash and/or soot deposits with implications on back pressure losses and well due to aging of active catalytic components like PGM and Washcoat. The main objective of this technical contribution is to study the above-mentioned challenges while applying Indian driving conditions and typical Indian climate and other ambient conditions. The substrate technology selected for this study is a high porosity GPF designed to enable the integration of a Three-Way functionality into the GPF, commonly described as coated GPF. In this study, the entire Three-Way Catalyst (TWC
Rose, Dominik, Tao, Tinghong, Kataria, Rohit, Boger, Thorsten, Kuehn, Nikolas, Kunert, Susanne, Richter, Joerg Michael, Magar, Avinash
Technical Paper
Investigating Humidity Effects on SI Small Offroad Engine Performance and Emissions2021-01-122409/21/2021
Collaborative research outlined in this paper documents recent engine and emission performance of a newer, more robust small SI engine across a sweeping range of relative humidity having fixed intake air temperature and pressure. The experimental results will show that power correction references to SAE J1349 as well as humidity correction reference for Kh in EPA 40 CFR 1065 may generically be applied, but do not accurately compensate for the extent of correction required. The test results shared from this particular performance testing of a Kohler KT745 carbureted engine develops the case for a more diverse and less conservative approach to a one-size-fits all strategy related to humidity corrections within the small SI testing community. Moreover, humidity effects for both observed and corrected power, as well as emission corrected constituents (not just NOx) are generally greater than would otherwise be assumed from the literature. From these results, the authors will show that
Olmos Jr, Adrian, Griffin, Steven, Price, Gary, Beilke, Nathan, Sajdowitz, Scott
Technical Paper
SAE TOMORROW TODAY: Soaking Up the Sun: America's First Solar-Powered Town1315607/29/2021
Welcome to Babcock Ranch: the hometown of the future. Powered entirely by 700,000 solar panels across 840 acres of land in sunny Florida, Babcock Ranch is an innovative town that combines everything Americana with the technologies of tomorrow: electric-powered ice cream trucks, city-wide WiFi, expansive public green spaces, and the comfort of being part of a community. Syd Kitson, Chairman and CEO of Kitson & Partners - the founders of Babcock Ranch - joined us to share how he turned his vision for the future into reality - while making it economically viable along the way.
Hineman, Marcie
Podcast
Object Detection and Tracking for Autonomous Vehicles in Adverse Weather Conditions2021-01-007904/06/2021
Object detection and tracking is a central aspect of perception for autonomous vehicles. While there has been significant development in this field in recent years, many perception algorithms still struggle to provide reliable information in challenging weather conditions which include night-time, direct sunlight, glare, fog, etc. To achieve full autonomy, there is a need for a robust perception system capable of handling such challenging conditions. In this paper, we attempt to bridge this gap by proposing an algorithm that combines the strength of automotive radars and infra-red thermal cameras. We show that these sensors complement each other well and provide reliable data in poor visibility conditions. We demonstrate the advantages of a thermal camera over a visible-range camera in these situations and employ YOLOv3 for object detection. The proposed system utilizes a modified Track-Oriented Multiple Hypothesis Tracking (MHT) algorithm which uses data from these sensors to keep
Bhadoriya, Abhay Singh, Vegamoor, Vamsi Krishna, Rathinam, Sivakumar
Technical Paper
Weather Support to Deicing Decision Making (WSDDM) Winter Weather Nowcasting SystemAS5537A (Current)02/10/2021
The purpose of this SAE Aerospace Standard is to provide guidelines for the components and configurations that define the research and commercial versions of the Weather Support to Deicing Decision Making (WSDDM) winter weather nowcasting system.
G-12M Methods Committee
Technical Standard
Induction Cure Test for Metal Bonding AdhesivesJ1851_202101 (Current)01/07/2021
This SAE Recommended Practice defines a procedure for determining the adhesion strength characteristics of heat-cured metal bonding adhesives subjected to induction heating.
Materials, Processes and Parts Council
Recommended Practice
Abrasion Resistance Testing - Vehicle Exterior Graphics and Pin StripingJ1847_202101 (Current)01/07/2021
This SAE Recommended Practice applies to the abrasion resistance testing of decorative tapes, graphics, and pin striping. It may also have relevance to certain vehicle labels and plastic wood grain film. The resistance to abrasive damage is judged qualitatively by its effect on the legibility, pattern, and color of the graphic marking. This recommended practice is intended as a guide toward standard practice but may be subject to frequent change to keep pace with experience and technical advances. This should be kept in mind when considering the use of this recommended practice.
Materials, Processes and Parts Council
Recommended Practice
Peel Adhesion Test for Glass to Elastomeric Material for Automotive Glass EncapsulationJ1907_202101 (Current)01/07/2021
This recommended practice defines a procedure for the construction and testing of a 180 deg peel specimen for the purpose of determining the bondability of glass to elastomeric material in automotive modular glass. This test method suggests that elastomeric material of less than 172 mpa modulus be used as the encapsulating material. The present practice of encapsulating automotive glass is described as molded-in-place elastomeric material onto the outer edge of the glass using thermoplastic or thermosetting material that quickly sets in the mold. The glass is removed from the mold with the cured elastomeric material bonded to the perimeter of the glass. This encapsulated glass module can now be bonded with a sealant adhesive into the body opening of a vehicle.
Materials, Processes and Parts Council
Recommended Practice
Maximum-Allowable-Airspeed Instruments (Turbine Powered Subsonic Aircraft)AS437B-TEST-REC (Historical)12/22/2020
This SAE Aerospace Standard (AS) covers one type of maximum-allowable-airspeed instrument which gives a continuous indication of both indicated airspeed and maximum allowable airspeed not exceeding 650 knots.
A-4 Aircraft Instruments Committee
Technical Standard
Maximum-Allowable-Airspeed Instruments (Turbine Powered Subsonic Aircraft)AS437B (Current)12/22/2020
This SAE Aerospace Standard (AS) covers one type of maximum-allowable-airspeed instrument which gives a continuous indication of both indicated airspeed and maximum allowable airspeed not exceeding 650 knots.
A-4 Aircraft Instruments Committee
Technical Standard
20 Years of Science on the International Space StationTBMG-3817712/01/2020
For the past two decades, the astronauts aboard the International Space Station (ISS) have conducted science in a way that cannot be done anywhere else. Orbiting about 250 miles above Earth, the ISS is the only laboratory available for long-duration microgravity research.
Magazine Article
Continuous and Stable Lasing Achieved From Low-Cost Perovskites at Room TemperatureTBMG-3801111/01/2020
An international team of researchers led by Kyushu University and Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, has demonstrated stable, continuous lasing at room temperature for over an hour from a class of low-cost materials called perovskites by finally overcoming a phenomenon that has so far prevented such long operation.
Magazine Article
Smart Windows Self-Illuminate on Rainy DaysTBMG-3766009/01/2020
Smart windows that automatically change colors depending on the intensity of sunlight are gaining attention as they can reduce energy bills by blocking the sun's visible rays during summer. But what about windows that change colors depending on the humidity outside during the monsoon season or on hot days of summer? Recently, a Korean research team has developed the source technology for smart windows that change colors according to the amount of moisture, without needing electricity. The team successfully developed a variable color filter using a metal-hydrogel-metal resonator structure using chitosan-based hydrogel and combined it with solar cells to make a self-powering humidity sensor.
Magazine Article
Cellulose-Based Sensor Simultaneously Measures Pressure, Temperature, and HumidityTBMG-3748108/01/2020
Researchers have developed a single sensor that combines the ability to measure pressure, temperature, and humidity simultaneously. The sensor has applications such as monitoring patients at home, robotics, electronic skin, functional textiles, surveillance, and security.
Magazine Article
Low-Duty Inertia Dynamometer Hydraulic Brake Wear Test Procedures for Vehicles Above 4536 kg (10000 pounds) of GVWRJ3006_202005 (Current)05/26/2020
This Recommended Practice is derived from OEM and tier-1 laboratory tests and applies to two-axle multipurpose passenger vehicles, or trucks with a GVWR above 4536 kg (10 000 pounds) equipped with hydraulic disc or drum service brakes. Before conducting testing for a specific brake sizes or under specific test conditions, review, agree upon, and document with the test requestor any deviations from the test procedure. Also, the applicable criteria for the final test results and wear rates deemed as significantly different require definition, assessment, and proper documentation; especially as this will determine whether or not Method B testing is needed. This Recommended Practice does not evaluate or quantify other brake system characteristics such as performance, noise, judder, ABS performance, or braking under extreme temperatures or speeds. Minimum performance requirements are not part of this recommended practice. Consistency and margin of pass/fail of the minimum requirements
Truck and Bus Hydraulic Brake Committee
Recommended Practice
Plain Bearing No-Load Rotational Breakaway Torque MeasurementARP5448/5B (Current)05/26/2020
This test method provides a procedure for measuring no-load rotational breakaway torque of self-lubricating spherical bearings.
ACBG Plain Bearing Committee
Recommended Practice
Leaf-Inspired Surface Prevents Frost FormationTBMG-3685805/01/2020
Researchers have discovered a new way to significantly reduce frost formation on any surface. The finding could help decrease the amount of energy needed for defrosting and could potentially result in fewer canceled flights, which can be grounded by even the slightest layer of frost.
Magazine Article
A detailed study of prominent factors affecting evaporator frosting in a mobile air conditioning (MAC) system2020-28-001404/30/2020
In an automotive air conditioning system, evaporator is well designed for effective heat transfer between refrigerant and air flowing over the evaporator. Hence, the better cooling and dehumidifying the incoming air. Sometimes, at the low ambient temperature and higher relative humidity conditions a frost is observed. It is accumulated over the evaporator and often become thicker enough to block the flow of air completely passing through the evaporator resulting in a rise in vehicle cabin temperature. Current work presents the probable causes of frost formation and their effects on the performance of evaporator and hence, the performance of the automotive air conditioning system. There are four major factors, thermistor poor response, undercharged and overcharged system, clogged air-filter, and also the type of compressor causing frost formation over the evaporator are considered for analysis. Current work presents the experimental analysis of the evaporator performance in the low
Nagarhalli, Prasanna V, Maurya, Anurag, Awate, Shrikant M, Syed, Mubeen, Nagarhalli, Prasanna V, Maurya, Anurag, Awate, Shrikant M, Syed, Mubeen
Technical Paper
Sensitivity Analysis of Aerodynamic Drag Coefficient to EPA Coastdown Ambient Condition Variation2020-01-066604/14/2020
The test cycle average drag coefficient is examined for the variation of allowable EPA coastdown ambient conditions. Coastdown tests are ideally performed with zero wind and at SAE standard conditions. However, often there is some variability in actual ambient weather conditions during testing, and the range of acceptable conditions is further examined in detail as it pertains to the effect on aerodynamic drag derived from the coastdown data. In order to “box” the conditions acceptable during a coastdown test, a sensitivity analysis was performed for wind averaged drag ((CDW ) ̅) as well as test cycle averaged drag coefficients (CDWC) for the fuel economy test cycles. Test cycle average drag for average wind speeds up to 16 km/h and temperatures ranging from 5C to 35C, along with variation of barometric pressure and relative humidity are calculated. The significant effect of ambient cross winds on coastdown determined drag coefficient is demonstrated.
Lounsberry, Todd, Tripp, John, Fadler, Gregory
Technical Paper
Investigation of the operating conditions on the water and thermal management for a polymer electrolyte membrane fuel cell by one-dimensional model2020-01-085604/14/2020
Water and thermal management is an essential issue that influences performance and durability of a polymer electrolyte membrane fuel cell (PEMFC). Water content in membrane decides its ionic conductivity and membrane swelling favors the ionic conductivity, resulting in decreases in the membrane’s ohmic resistance and improvement in the output voltage. However, if excessive liquid water can’t be removed out of cell quickly, it will fill in the pores of catalyst layer (CL) and gas diffusion layer (GDL) then flooding may occur. It is essential to keep the water content in membrane at a proper level. In this work, a transient isothermal one-dimensional model is developed to investigate effects of the relative humidity of inlet gas and cell temperature on performance of a PEMFC. Comprehensive physical and chemical phenomenon inside the cell is included, especially the mass transfer of hydrogen, oxygen, vapor and liquid water in gas channels, GDL and CL and non-frozen membrane water in
Wang, Xuhui, Dong, Yaqian, Xu, Sichuan
Technical Paper
In-situ studies on the effect of solar control glazings on in-cabin thermal environment for hot and humid climatic zones2020-01-125704/14/2020
Thermal comfort in a passenger cabin is the basic necessity of an occupant especially in hot and humid climatic conditions. It is known that the reflective glazing solutions provide better thermal comfort inside the cabin due to significant reflection of IR part of solar radiation. However, in hot and humid climatic zones like India, significant reduction in heat load can also be achieved through cost effective solar control absorbing glazings. Thus, the present work aims to study the effect of solar control absorbing glazings on cabin inside temperatures and its impact on thermal comfort of the occupants in tropical climates. A combination of glazing sets with a range of solar energy transmission and absorption values are considered for the study. Indoor soak and cool tests are performed on a sedan model with multiple sets of solar control absorbing glass combinations. A constant ambient temperature of 38˚C and solar radiation of 1000W/m2 are maintained throughout the tests. Wind
Tamalapakula, Jyothi Latha
Technical Paper
PLCs Directly Access Internet InformationTBMG-3639204/01/2020
Programmable logic controllers (PLCs) are a workhorse of industrial automation for monitoring and controlling equipment and they typically are standalone or networked locally on a site. Some have gained extensive networking and communication abilities and newer PLCs can programmatically obtain Internet-sourced information like weather conditions or energy prices that can be used to optimize operations.
Magazine Article
Requirements for Road Weather ApplicationsJ2945/3_202003 (Historical)03/24/2020
Inclement weather can have a significant impact on surface transportation systems. It can result in hazardous conditions for travelers due to poor visibility, or wet or icy roadways. Weather applications have the potential to provide additional data to surface transportation infrastructure owners and operators, allowing them to better assess the impacts of the weather environment on or around the roadway and to better manage the surface transportation system. Such weather applications can: Collect road weather data from connected vehicles and mobile devices, increasing the number of data sources available. Provide road weather related traveler information to travelers via connected vehicles and devices, such as when and where a hazardous condition exists. Provide the ability to manage road weather response on specific roadways. This SAE Standard specifies interface requirements between vehicles and infrastructure for weather applications, including detailed systems engineering
Infrastructure Applications Technical Committee
Technical Standard
Fluoride Offgassing in Fluoropolymer InsulationsARP6229 (Current)03/24/2020
This SAE Aerospace Recommended Practice (ARP) shall be limited to information about corrosion caused by fluoride offgassing of fluoropolymer-based wire insulation. It reviews published reports of corrosion caused by this phenomenon, describes scenarios where this may be a concern, mitigation options, and references a test method which can be used to evaluate wire insulations where needed.
AE-8D Wire and Cable Committee
Recommended Practice
Sensor Heat Relief20AVEP03_0703/01/2020
Canatu's carbon nanobots keep critical sensor surfaces -and LED headlamps - clean in sub-freezing weather. Sensor surfaces that are exposed to weather need to be kept clean so that ADAS and autonomous driving systems can function safely. Ice build-up in cold conditions is of particular concern, but Canatu thinks it has a solution. The Finland-based technology company has developed a transparent, highly conductive heater element that does not require metallic wires to be placed in front of the sensor. These elements keep lidar sensors and cameras ice-free, thanks to carbon nanobot (CNB) heaters.
Berman, Bradley
Magazine Article
SAE TOMORROW TODAY: Oil and Natural Gas...Driving Industry and Technology1288702/11/2020
Dr. R. Dean Foreman, Chief Economist at API, talks with host Grayson Brulte at SAE's Government/Industry Meeting about the strides the natural gas and oil industry has made over the past decade to drive innovative solutions to the real-world problems of today. Dean discusses the efforts that the industry is focusing on to remain part of the climate change solution, while looking at the new technologies being employed to deliver results. As the automotive industry shifts priorities to electric vehicles, Dean speaks to the immediate market trends to focus on the increasing market share of natural gas for power generation as a cost alternative option for today's needs and the supply chain issues impacting the EV market.
Hineman, Marcie
Podcast
O-Ring Machined from AMS3617 MaterialAS9772A (Current)01/13/2020
This standard establishes the dimensional and visual quality requirements, lot requirements, and packaging and labeling requirements for O-rings machined from AMS3617 polyamide material. It shall be used for procurement purposes.
A-6C2 Seals Committee
Technical Standard
The Planetary Tides Simulation Facility for Simulation Tidal Strain in Planetary Ice AnalogsTBMG-3578601/01/2020
An apparatus was developed with the capability to measure the anelastic and viscoelastic properties of icy materials over the long tidal periods and stress levels characteristic of Earth and icy satellites.
Magazine Article
Wind Event Warning SystemTBMG-3545411/01/2019
NASA Langley Research Center developed a wind event warning technology that provides a practical early warning system (5-10 minutes) for a severe change in the wind vector. Events such as gusts, shear, microbursts, or thunderstorm outflows can be detected in time to prevent damage to wind turbines or help airports prevent damage to aircraft. Further, an alternative power source could be ramped up or down as needed to accommodate the power draw in the electrical grid.
Magazine Article
Smart, Hybrid Actuators Combine Nanometer Precision, Large Forces, and Long Travel Ranges with High DynamicsTBMG-3529010/01/2019
The characteristics of hybrid drives present a practical solution when a position needs to be detected with high precision and moved repeatedly over long travel ranges, or when a target position needs to be reached with nanometer precision. Application areas include precision movement of telescopes, microscopy, surface inspection, semiconductor manufacturing, and laser technology.
Magazine Article
Products of Tomorrow: October 2019TBMG-3528610/01/2019
This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.
Magazine Article
Unmanned Helicopter DroneTBMG-3535810/01/2019
UAVOS Inc. Mountain View, CA 650-584-3176 www.UAVOS.com
Magazine Article
Flammability of Polymeric Interior Materials - Horizontal Test MethodJ369_201908 (Current)08/08/2019
This SAE Standard pertains to automotive vehicles and off-road, self-propelled work machines used in construction, general purpose industrial, agriculture, forestry, and specialized mining machinery. This standard does not address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this document to establish safety and health practices and determine the applicability of regulatory limitations prior to use. Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed when conducting this test.
Textile and Flexible Plastics Committee
Technical Standard
Image Warping Caused by Heat-Induced TurbulenceTBMG-3493008/01/2019
It is well known from astronomical imaging that various atmospheric conditions and weather effects have an impact on image quality. This is due to local changes of the refractive index of the air in the optical path. These changes are wavelength-dependent and vary with changes in the atmospheric pressure and its humidity.
Magazine Article
Land Combat MissileTBMG-3486008/01/2019
MBDA Incorporated Arlington, VA 703-387-7139
Magazine Article
Moisture Sensor Based on NASA Humidity SensorTBMG-3490608/01/2019
Roscid Technologies Woburn, MA
Magazine Article
Automotive Engineering: June 201919AUTP0606/06/2019
Rethinking aluminum for NVH abatement Engineers, abandon those mastics! New "quiet" materials solutions are at hand. Paradigm shift in NVH A new wave of vehicle technologies is changing the way Brüel & Kjaer attacks noise, vibration and harshness. How a Tier 2 tackles NVH Saint-Gobain invested in anechoic testing so small components can make a big NVH difference. Reducing NVH through refined powertrain measurement The C1000 vastly simplifies measuring the mass matrix of heavy, odd shaped engines and powertrains. Foam for NVH solutions New innovations for a wide variety of sound-deadening applications. Long time coming: 2020 Corvette After six decades of teasing enthusiasts with intriguing concepts, Chevrolet is launching an all-new Corvette with its engine located where Zora intended-behind the driver. Protecting high-voltage circuits Yazaki readies a new solution for arc suppression in circuits of 48V or more. Editorial The unforgettable pyramid on the hood Supplier Eye Enter the
Magazine Issue
Transparent, Self-Healing Electronic SkinTBMG-3441105/01/2019
Scientists have taken inspiration from underwater invertebrates like jellyfish to create an electronic skin with similar functionality. Like a jellyfish, the electronic skin is transparent, stretchable, touch-sensitive, and self-healing in aquatic environments.
Magazine Article
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