Features of the gas dynamics and local heat transfer in intake system of piston engine with supercharging

L V Plotnikov

doi:10.1088/1742-6596/899/4/042008

Abstract

Comparison of experimental research results of gas dynamics and instantaneous local heat transfer in the intake pipes for piston internal combustion engines (ICE) without and with supercharging are presented in the article. Studies were conducted on full-scale experimental setups in terms of gas dynamic nonstationarity, which is characteristic of piston engines. It has been established that the turbocharger installation in a gas-air system of piston internal combustion engine leads to significant differences in the patterns of change in gas-dynamic and heat transfer characteristics of flows. These data can be used in a modernization of piston engines due to installation of a turbocharger or in a development of gas-air systems for piston ICE with supercharging.

Highlights

One of the major trends of development of modern internal combustion engines (ICE) is to increase their power and economical efficiency
It has been determined that decreasing the intensity of heat transfer was observed in the exhaust system with the turbocharger, it was characteristic of all rotation frequencies of TC and piston ICE
Comparison of results of experimental research of gas dynamics and instantaneous local heat transfer in the intake pipes for piston internal combustion engines without and with supercharging are presented in this article

Summary

Introduction

One of the major trends of development of modern internal combustion engines (ICE) is to increase their power and economical efficiency. The question about the influence of TC on gas dynamic and heat transfer characteristics of flow in a gas-air systems of piston engine is hardly considered in the literature. The presence of the turbocharger in exhaust system leads to some smoothing of fluctuations of the flow velocity during the whole working cycle of piston ICE. It has been determined that decreasing the intensity of heat transfer was observed in the exhaust system with the turbocharger, it was characteristic of all rotation frequencies of TC and piston ICE. Reduction in a heat transfer intensity to the walls of the exhaust pipe in engines with TC should positively affect the working process and the technical and economic parameters of the piston ICE.

Published under licence by IOP Publishing Ltd

Findings

Conclusions