The Effect Of Hole Plate On Automotive Waste Heat Extraction

Mohd Nawawi, Mustafa (2009) The Effect Of Hole Plate On Automotive Waste Heat Extraction. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Exhaust system is one of the important parts in the engine system. Exhaust system causes huge impact on the performance of the engine. When vehicle start, exhaust system will warm up caused by combustion inside the cylinder. The exhaust gasses from the combustion will be issued through exhaust system. Sometimes the temperature of the exhaust system increase and at the same time the heat is dissipated to the environment air. According to Dr Harald Bottner the temperature difference between the exhaust pipe and a pipe carrying engine cooling fluid can thus be several hundred degrees Celsius. Therefore, the heat dissipated can be converted to electricity by using thermoelectric materials. In this project, the front pipe is modified by installing hole plate inside it. By using front pipe that has hole plate, it is predicted, that the wall temperature of this front pipe will rise up. Thus, much more heat can be dissipated and converted to electricity. The 1.3L Proton Satria engine is used and the result indicated that the new design of front pipe with hole plate can increase the wall temperature of the front pipe more than 200 degree Celsius. Furture step is by conceptual design and fabrication to make front pipe that have hole plate inside the front pipe to boost pipe wall temperatures of the front pipe. Painting by sketches and three dimensional designs must be carried out to make sure this project going well. The 3D design can be made using the software as Solidwork and Catia to make sure the design strong and no leakage problem before started the fabrication step. In the fabrication, welding, cutting and drilling will be used to make the front pipe. There were three design of front pipe that need to be made to find out the effect of hole plate at the exhaust system. The analysis will be carried out after finish the fabrication.

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