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- Title
Calculation of the Thermal Loading of the Cylinder-Piston Group of the Automobile Engine.
- Authors
Barchenko, F.; Bakulin, V.
- Abstract
We propose a mathematical model for calculating thermal loods of parts of the cylinder-piston group of the automobile engine operating under unstable conditions in its complete life cycle. Methods have been described for calculating the boundary conditions to determine the thermal state of the parts of the cylinder-piston group of such an engine with the use of theoretical formulas, empirical and semiempirical relations, and tabulated data. In modeling, we calculated the work of all systems of the engine (pumps, pipelines, heat exchangers) influencing directly or indirectly the thermal state of its cylinder-piston group. The nonstationary thermal state was calculated once in the operating cycle of the engine with the use of the cycle-averaged values of the local heat transfer coefficients and the resulting temperature of the medium. The personal computer counting time for one time step of a transport diesel engine of typical design with a number of units of the order of 500 was 5 s.
- Subjects
AUTOMOBILE engine thermodynamics; MECHANICAL loads; HEAT exchangers; HEAT pumps; NUMERICAL calculations
- Publication
Journal of Engineering Physics & Thermophysics, 2017, Vol 90, Issue 3, p657
- ISSN
1062-0125
- Publication type
Article
- DOI
10.1007/s10891-017-1613-y