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Abstract
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Article Information:
Study of Top Dead Center Measurement and Correction Method in a Diesel Engine
Ruijiao Miao, Jihang Li, Lei Shi and Kangyao Deng
Corresponding Author: Ruijiao Miao
Submitted: November 08, 2012
Accepted: December 22, 2012
Published: June 30, 2013 |
Abstract:
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The thermal loss angle error analysis and maximum pressure determination method analysis were conducted first. Then the polytropic exponent method, the inflection point analysis, the loss function method and the symmetry method were utilized under different rotating speed, load and cooling water temperature, to calculate TDC in D6114 diesel engine and the results were compared with TDC position measured under the same condition with direct method of measurement. The study proved that (1) thermal loss angle of the diesel engine ranges from -1.0 ~ -0.6°CA; (2) Thermal loss angle is mainly affected by rotating speed and is reducing when rotate speed increases;(3) the symmetry method is generally the optimum for calculating the thermal loss angle of automotive diesel engines, with an error within 0.2°CA.
Key words: Top Dead Center, Thermal Loss Angle, Heat Transfer Loss, , , ,
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Cite this Reference:
Ruijiao Miao, Jihang Li, Lei Shi and Kangyao Deng, . Study of Top Dead Center Measurement and Correction Method in a Diesel Engine. Research Journal of Applied Sciences, Engineering and Technology, (06): 1101-1105.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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