DOE EERE Research Reports

Thermally Activated Heat Pumps

Engine Driven Heat Pumps

FPSE-Driven Technologies:
FPSE System Modeling, Simulation, and Analysis

Linear Harmonic Analysis for Stirling Machines and Second Law Analysis of Four Important Losses

1984

Abstract: A simple thermodynamic theory for Stirling machine performance has been developed. By representing variables in terms of harmonic oscillations and representing the nonharmonic terms in the conservation equations with truncated Fourier series, the equations can be solved in a semi-closed form, leading to a better understanding of Stirling engine behavior. The theory further includes a Second Law analysis; therefore, the efficiency and power losses resulting from effects of adiabatic cylinders, transient heat transfer, pressure drop, and seal leakage can be allocated unambiguously, and the degree of loss coupling can be assessed. Keywords: engine driven heat pump, thermally activated technology, TAT, Stirling cycle, linear harmonic analysis Availability: National Technology Information Service U.S. Department of Commerce 5285 Port Royal Road Springfield, Virginia 22161 view or download report Reference: Proceedings of the 19th Intersociety Energy Conversion Engineering Conference August 1984
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