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Full-Text Articles in Mechanical Engineering

A Simplified Model Of The Internal Combustion Engine, Christofer Neff Jan 2013

A Simplified Model Of The Internal Combustion Engine, Christofer Neff

Undergraduate Journal of Mathematical Modeling: One + Two

This project further investigates a model of a simplified internal combustion engine considered by Kranc in 1977. Using Euler’s method for ordinary differential equations, we modeled the interaction between the engine’s flywheel and thermodynamic power cycle. Approximating with sufficiently small time intervals (0.001 seconds over a period of 12 seconds) reproduced Kranc’s results with the engine having an average angular velocity of 72/sec.


On The Thermodynamics Of Solar Energy Use, Edward A. Fletcher Jan 1983

On The Thermodynamics Of Solar Energy Use, Edward A. Fletcher

Journal of the Minnesota Academy of Science

Solar energy, coming from a 5800K heat reservoir, has thermodynamic advantages over fossil fuel combustion which are rarely recognized. This essay discusses the pertinent thermodynamics of chemical conversion processes. It points out the advantage of conducting endothermic processing at high temperatures and the unique character of sunlight as a source of process heat for high-temperature processing.