A Mathematical Model for the Exhaust Gas Temperature Profile of a Diesel Engine

被引：3
|
作者：
Brito, C. H. G. [1 ]
Maia, C. B. [1 ]
Sodre, J. R. [1 ]
机构：
[1] Pontificia Univ Catolica Minas Gerais, Dept Mech Engn, Ave Dom Jose Gaspar 500, BR-30531910 Belo Horizonte, MG, Brazil
来源：
4TH INTERNATIONAL CONFERENCE ON MATHEMATICAL MODELING IN PHYSICAL SCIENCES (IC-MSQUARE2015) | 2015年 / 633卷
关键词：
PERFORMANCE; SYSTEM;
D O I：
10.1088/1742-6596/633/1/012075
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
This work presents a heat transfer model for the exhaust gas of a diesel power generator to determine the gas temperature profile in the exhaust pipe. The numerical methodology to solve the mathematical model was developed using a finite difference method approach for energy equation resolution and determination of temperature profiles considering turbulent fluid flow and variable fluid properties. The simulation was carried out for engine operation under loads from 0 kW to 40 kW. The model was compared with results obtained using the multidimensional Ansys CFX software, which was applied to solve the governor equations of turbulent fluid flow. The results for the temperature profiles in the exhaust pipe show a good proximity between the mathematical model developed and the multidimensional software.
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收藏
页数：6
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