CHASSIS DYNAMOMETER TEST PROCEDUREHEAVY-DUTY ROAD VEHICLES PDF Download
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Author: Engine Power Test Code Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This SAE Recommended Practice has been adopted by SAE to specify: aA standard procedure for chassis dynamometer testing of heavy-duty road vehicles for the purpose of determining power delivered through the drive tires. bA method of correcting observed power to reference test conditions. cA method of analyzing the test data to determine if the test results are within expected power ranges. Not applicable.
Author: Engine Power Test Code Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This SAE Recommended Practice has been adopted by SAE to specify: aA standard procedure for chassis dynamometer testing of heavy-duty road vehicles for the purpose of determining power delivered through the drive tires. bA method of correcting observed power to reference test conditions. cA method of analyzing the test data to determine if the test results are within expected power ranges. Not applicable.
Author: Lisa Ryan
Publisher:
ISBN:
Category : Buses
Languages : en
Pages : 348
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309159474
Category : Science
Languages : en
Pages : 251
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Book Description
Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles evaluates various technologies and methods that could improve the fuel economy of medium- and heavy-duty vehicles, such as tractor-trailers, transit buses, and work trucks. The book also recommends approaches that federal agencies could use to regulate these vehicles' fuel consumption. Currently there are no fuel consumption standards for such vehicles, which account for about 26 percent of the transportation fuel used in the U.S. The miles-per-gallon measure used to regulate the fuel economy of passenger cars. is not appropriate for medium- and heavy-duty vehicles, which are designed above all to carry loads efficiently. Instead, any regulation of medium- and heavy-duty vehicles should use a metric that reflects the efficiency with which a vehicle moves goods or passengers, such as gallons per ton-mile, a unit that reflects the amount of fuel a vehicle would use to carry a ton of goods one mile. This is called load-specific fuel consumption (LSFC). The book estimates the improvements that various technologies could achieve over the next decade in seven vehicle types. For example, using advanced diesel engines in tractor-trailers could lower their fuel consumption by up to 20 percent by 2020, and improved aerodynamics could yield an 11 percent reduction. Hybrid powertrains could lower the fuel consumption of vehicles that stop frequently, such as garbage trucks and transit buses, by as much 35 percent in the same time frame.
Author: Evangelos G. Giakoumis
Publisher: Springer
ISBN: 3319490346
Category : Technology & Engineering
Languages : en
Pages : 422
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Book Description
This book presents in detail the most important driving and engine cycles used for the certification and testing of new vehicles and engines around the world. It covers chassis and engine-dynamometer cycles for passenger cars, light-duty vans, heavy-duty engines, non-road engines and motorcycles, offering detailed historical information and critical review. The book also provides detailed examples from SI and diesel engines and vehicles operating during various cycles, with a focus on how the engine behaves during transients and how this is reflected in emitted pollutants, CO2 and after-treatment systems operation. It describes the measurement methods for the testing of new vehicles and essential information on the procedure for creating a driving cycle. Lastly, it presents detailed technical specifications on the most important chassis-dynamometer cycles around the world, together with a direct comparison of those cycles.
Author: Karan Sanghavi
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Currently Pennsylvania State University is only one of two academic institutions in the United States to have a certified heavy engine emissions test stand co-located with a heavy-duty vehicle chassis dynamometer. The goals of this thesis build upon this unique capability. First an engine stand is being built to allow the chassis dynamometer to also function as an engine dynamometer for heavy duty vehicles. This benefits not only university research, but also assists industry sponsors interested in testing their engines for performance, fuel economy, particulate formation, and chemical emissions. Through the use of telemetry, this project deploys the capability to capture data from a live vehicle on Penn State's test track and simultaneously load that data on to the engine on the tow-away chassis dynamometer being tested to simulate realistic driving conditions. This also provides more realistic testing situations, as typical engine dynamometer fuel economy tests run pre-programmed cycles on the engine to match federally mandated testing and thus miss effects of congestion, traffic light timing, weather-related driving changes, etc. Finally, the system was designed to be towed to remote sites, which enables easy use by student clubs, industry research, or even as demonstrations for classrooms.
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 50
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Book Description
This Standard specifies the measurement method for fuel consumption of heavy-duty commercial vehicles. This Standard is applicable to commercial vehicles that burn gasoline and diesel, of which the maximum design total mass is greater than 3500kg, including trucks, semitrailer tractors, ordinary passenger cars, dump trucks and city buses. Concrete mixer trucks can refer to the relevant measurement methods of dump trucks. For other special transport vehicles, refer to the relevant measurement methods for trucks.
Author: Charles M. Urban ((Of the Southwest Research Institute, United States Environmental Protection Agency))
Publisher:
ISBN:
Category : Motor vehicles
Languages : en
Pages : 676
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Book Description
Author: Nigel N. Clark
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 192
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Book Description
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580495922
Category :
Languages : en
Pages : 22
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Book Description
Road vehicles, Road vehicle engineering, Loading, Load measurement, Testing conditions, Test equipment, Dynamometers, Chassis
Author: Light Duty Vehicle Performance and Economy Measure Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This procedure covers vehicle operation and electric dynamometer load coefficient adjustment to simulate track road load within dynamometer inertia and road load simulation capabilities. This procedure has been revised to include a new fixed-run test option, provisions for four-wheel drive dynamometer and 20°F testing, and updates to definitions and nomenclature aimed at harmonizing these quantities across related SAE documents.
