Characteristics of Exhaust Gas Pulsation of Constant Pressure Turbo-Charged Diesel Engines

[+] Author and Article Information
T. Azuma, Y. Tokunaga

Diesel Engine Research Department, Kawasaki Heavy Industries, Ltd., 14, Kigashi Kawasaki-cho, 2-chome, Ikuta-ku, Kobe, Japan

T. Yura

Osaka Institute of Technology, 16, Ohmiya-cho, 5-chome, Asahi-Ku, Osaka, Japan

J. Eng. Power 102(4), 827-835 (Oct 01, 1980) (9 pages) doi:10.1115/1.3230347 History: Received October 15, 1979; Online September 28, 2009


The constant pressure turbo-charge system has now been increasingly adopted for marine diesel engines because of its higher thermal efficiency in the range of higher mean effective pressure. However, it seems that there has been no paper published on the exhaust gas pulsation of this sytem. In this study, a gas flow model of the constant pressure turbo-charged diesel engines was assumed as a basic and fundamental one, and an investigation was made of it. As a result, some characteristics of the exhaust gas pulsation of this system have been clarified and a mathematical simulation system has been established. It must be emphasized that the filling and emptying method which neglects wave propagation cannot simulate the pulsation, although it can simulate the average exhaust gas pressure and temperature of this system.

Copyright © 1980 by ASME
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