Historical

SAE J1339_198305

Name: SAE J1339_198305 PDF | Request Standard
SKU: 4f60ad17b218

TEST METHOD FOR MEASURING POWER CONSUMPTION OF TRUCK AND BUS ENGINE FANS

Standard by SAE International, 1983-05-01

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SAE J1339_198305.PDFSecure PDF
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Language: English
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About This Item

The test procedure is intended for use in testing and evaluating the approximate power consumption of heavy truck and bus engine cooling fans. The procedure also provides a general description of the equipment necessary to measure fan power consumption, so that the parasitic power consumption of a complete vehicle may be predicted. The test conditions in the procedure may not adequately match those of the vehicle for which fuel consumption information is desired. In that case, engineering estimates or extrapolations may be necessary. The procedure neglects the pressure drop caused by the radiator core (unless the actual vehicle is used as a test fixture). The effect of ram air due to vehicle motion is also neglected. Those two effects tend to offset each other. Finally, the effect of a fan clutch in reducing fan use and power consumption is not a part of this procedure.

SKU: 4f60ad17b218

Publication Date: 1983-05-01

Standard Status: historical

Publisher: SAE International

Document Type: Ground Vehicle Standard

Subject: Fans, Auxiliary power units, Fuel consumption, Energy consumption, Heavy trucks, Radiators, , ,

Official SAE: Doi link

New Version Available: J1339_202409 (2024-09-18)
Previous Version: J1339_201909 (2019-09-30)
Previous Version: J1339_201504 (2015-04-09)
Previous Version: J1339_200909 (2009-09-03)
Previous Version: J1339_200208 (2002-08-05)
Previous Version: J1339_199506 (1995-06-01)
Previous Version: J1339_198908 (1989-08-01)
This Version: J1339_198305 (1983-05-01)
Previous Version: J1339_198107 (1981-07-01)

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