Research Article Open Access

Prediction Studies for the Performance of a Single Cylinder High Speed Spark Ignition Linier Engine with Spring Mechanism as Return Cycle

A. Z.M. Fathallah1 and R. A. Bakar1
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American Journal of Engineering and Applied Sciences
Volume 2 No. 4, 2009, 713-720

DOI: https://doi.org/10.3844/ajeassp.2009.713.720

Submitted On: 15 April 2009 Published On: 31 December 2009

How to Cite: Fathallah, A. Z. & Bakar, R. A. (2009). Prediction Studies for the Performance of a Single Cylinder High Speed Spark Ignition Linier Engine with Spring Mechanism as Return Cycle. American Journal of Engineering and Applied Sciences, 2(4), 713-720. https://doi.org/10.3844/ajeassp.2009.713.720

Abstract

Problem statement: Most concepts of linear engines were constructed as opposed pistons with complicated control devise to drive the engines. The advantage of the engines was their high overall efficiency. Approach: Although the efficiency was higher than conventional engine, however, it did not be applied yet, because the design of these engines was not only difficult to fabricate, but also it has little chance to compete the traditional engines in the market. Spring is adopted as a return force of the piston movement technique. Results: The unique of using spring as return cycle is the main characteristic of these engines. However, stroke of the engine is not constant as in the traditional engine. The problem is that, the expansion stroke is depending on thrust force of piston. On the other hand, the engine needs to operate in variable speed and load. This study is a prediction of the performance of both rotational and linear engines. Conclusion/Recommendations: The result of the examination can be used as return cycle design data of a single cylinder linear engine with spring device. As a result, the spring mechanism can be adopted to be used as return cycle in linear engine.

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Keywords

  • Linear engine
  • spring
  • performance