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Program - Government/Industry Meeting

2021-11-28
The Government/Industry Meeting technical program is designed to provide an open forum to discuss the critical impacts that legislation has on vehicle design from R&D to customer acceptance.
Event

Program - Government/Industry Meeting

2021-11-28
The Government/Industry Meeting technical program is designed to provide an open forum to discuss the critical impacts that legislation has on vehicle design from R&D to customer acceptance.
Event

Attend - Government/Industry Meeting

2021-11-28
The Government/Industry Meeting technical program is designed to provide an open forum to discuss the critical impacts that legislation has on vehicle design from R&D to customer acceptance.
Standard

J1939 Digital Annex

2021-11-23
WIP
J1939DA
This document is intended to supplement the J1939 documents by offering the J1939 information in a form that can be sorted and search for easier use.
Journal Article

Investigation of Performance and Exhaust Emissions of Compressed Natural Gas-Diesel Dual-Fuel Engine under Different Engine Speed and Load Conditions

2021-11-23
Abstract Compressed Natural Gas (CNG) is a promising alternative fuel for application in diesel engines operating on dual-fuel mode. However, its application for a commercial heavy-duty engine has been limited due to difficulty in modification and in altering the engine control unit (ECU) settings. In this investigation, an attempt has been made to optimize the CNG flow rate for different speed and load conditions for operating a commercial heavy-duty turbocharged intercooled engine under diesel-CNG dual fuel based on engine performance and emission parameters on an eddy current engine dynamometer. CNG was inducted through the intake manifold at varying mass flow rates of 0.65-4.0 kg/hr for different speed and load conditions while operating the engine at the Speed/Torque (NT) mode of the dynamometer-engine control.
Standard

Tire Pressure Monitoring Systems - For Medium and Heavy Duty Highway Vehicles

2021-11-16
WIP
J2848/1
This SAE recommended practice defines the system and component functions, measurement metrics, testing methodologies for evaluating the functionality and performance of tire pressure systems, and recommended maintenance practices within the known operating environments. This document is applicable to all axle and all wheel combinations for single unit powered vehicles exceeding 7257 kg (16 000 US lb) gross vehicle weight rating (GVWR), and multi-unit vehicle combinations, up to three (3) towed units, which use an SAE J560 connector for power and/or communication, or equivalent successor connector technology, or which use a suitable capacity wireless solution. Examples of included single chassis vehicles would be – utility and delivery vans, tow trucks, rack trucks, buses, recreational vehicles, fuel trucks, trash trucks, dump trucks, cement trucks, and tractors.
Standard

R-12 (CFC-12), R-134a (HFC-134a), R-1234yf (HFO-1234yf), R-744, and R-152a (HFC-152a) Technician Training for Service and Containment of Refrigerants Used in Mobile A/C Systems

2021-11-09
CURRENT
J2845_202111
Mobile air conditioning (MAC) systems used in passenger cars and light duty trucks are covered by these SAE Standards when servicing the refrigerant system. Technician training is required to ensure that recommended procedures are used for service and repair of MAC systems using R-12, R-134a, R-1234yf, R-744, and R-152a refrigerants. Unique requirements for each refrigerant are detailed within this standard. Technicians may be trained in any or all refrigerants. The technician shall be trained to recognize which refrigerant is being handled and how to handle it safely, and be equipped with the essential information, proper equipment, and tools which are unique to these refrigerants. This standard outlines minimum content requirements for such training programs. Training programs designed in accordance with this standard are not intended to ensure or assess the technical skills of technicians regarding the diagnosis and repair of motor vehicle air conditioners.
Standard

Performance Requirements and Test Procedures for Aftermarket Wheel Fastening Systems on Passenger Cars and Light Trucks

2021-11-03
CURRENT
J2316_202111
This SAE Recommended Practice provides a uniform procedure and performance requirements for evaluating fastening systems for normal highway use on aftermarket passenger cars and light trucks (except dual wheels, which are covered by SAE J1965) and multipurpose passenger vehicles. The fastening system includes the wheel, wheel bolts, and wheel nuts, as well as vehicle mating surface. The coefficients of friction for steel and aluminum mating surfaces are provided based on information available. Many factors must be considered in design and validation of wheel attachments for each specific vehicle. Where the procedure is used for original equipment applications the vehicle manufacturers specifications supersede those noted.
Standard

Balance Weight and Rim Flange Design Specifications, Test Procedures, and Performance Recommendations

2021-10-26
WIP
J1986
This SAE Recommended Practice is intended to serve as a guide for standardization of features, dimensions, and configurations of balance weights for aluminum and steel wheels intended for use on passenger cars, light trucks, and multipurpose vehicles to assure good installation and retention of the balance weight. This document also provides test procedures and minimum performance requirements for testing balance weight retention.
Standard

J1939 Digital Annex

2021-10-21
CURRENT
J1939DA_202110
This document is intended to supplement the J1939 documents by offering the J1939 information in a form that can be sorted and search for easier use.
Magazine

Automotive Engineering: October 2021

2021-10-01
BYD's Blade Runner The Chinese mobility-and-energy giant's novel 'Blade' battery eliminates the cell module level to compete with NCM chemistry at significantly lower cost - and greater proven safety. Making UX easy on the eyes Faurecia IRYStec combined physiology and image processing to create uniquely personalized high-fidelity screen displays, as pioneered by Mercedes' MBUX. The company's founder explains. Extending the Wankel's future on hydrogen fuel Proven in thousands of military drone aircraft, the lightweight and power-dense Wankel rotary still aims for a future...as a zero-emissions range extender. 'Retuning' lubricants for EV duty Lubrizol's top grease expert talks about how the electric vehicle trend is driving innovations and creating opportunities.
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