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Research on Integration Design of Automobile Waste Heat Thermoelectric Generation System and Engine Muffler

Author: Guo
Tutor: DengYaDong
School: Wuhan University of Technology
Course: Vehicle Engineering
Keywords: Thermoelectric power generation Waste heat cabinet Muffler Integrated design
CLC: U463.6;X706
Type: Master's thesis
Year: 2011
Downloads: 225
Quote: 0
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Abstract


With the continuous development of the automobile industry, car ownership is rising year by year, how to achieve the energy saving of the vehicle, to become the focus of government departments, car manufacturers and consumers to reduce fuel consumption per hundred kilometers. Improve engine performance is undoubtedly a direct way to improve fuel economy, however, the engine of industrial development has been very mature,'d like to achieve a major breakthrough has been very difficult, so you can improve vehicle fuel economy from the point of view of energy recovery. The subject characteristics of high engine exhaust heat by thermal energy conversion device of the exhaust heat is converted into electrical energy for the vehicle electrical equipment or as a 42V automotive weak hybrid system based on thermoelectric energy source, reuse of exhaust heat improve vehicle fuel economy. This article describes the composition of the Task Force to build a thermoelectric power generation test bench to explore the factors that affect the efficiency of thermoelectric power generation system and make targeted improvements; exhaust heat utilization for the different structure of the thermoelectric generator waste heat box, designed a variety of waste heat from the interior of the housing structure, and experiment and computer simulation were measured: temperature sensor and guide TP8S of infrared camera calibration point temperature and shoot the temperature distribution of the surface of the cabinet; different internal CFD software Fluent The structure of the simulation box, and finally determine the internal structure of the waste heat box. The kinds of exhaust gas recycling experiment in thermoelectric power generation test bench, there are two issues of concern: First, the waste heat Case Dimensions conflict in the future loading experiments with the installation location of the muffler; noise due to the manufacturing process and internal structural design, waste heat box. In order to solve the contradiction of the waste heat from the box and muffler installation location and noise problems, this paper proposes a new method to be waste heat box and the muffler integrated design, experimental verification and engine simulation software GT-Power of simulation, propose a more viable waste heat cabinet design method, to solve the contradiction of the box and muffler mounting position reduces the operating noise of the box, but also saves raw materials, reflects the original intention of the environmental. Thermoelectric Generator through energy recovery engine exhaust, in addition to use for car electrical equipment can be stored in batteries, the paper also proposed that can be used as the energy source of 42V weak thermoelectric-based hybrid system, as a follow-up to the temperature difference power generation The direction of research.

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Waste heat utilization
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