Investigation of a pressure balancing system for the Stirling engine

Hiroshi Sekiya, Takashi Nakazato

Research output: Contribution to journalArticle

Abstract

The double-acting Stirling engine needs a pressure balancing system (PBS) in order to drive it stably, but the PBS decreases the engine power and the thermal efficiency. Accordingly, it is important that how the PBS affects engine drive is clarified by virtue of design and evaluation of the Stirling engine. We have already presented the cycle simulation code of the Stirling engine based on the 3rd-order method, which was useful to study and develop our double-acting Stirling engine, NS30S. In this paper, by numerical analysis using our code, the differences of fluctuations with the PBS operating and not operating are manifested with regard to quantities of state and rates of mass flow, heat flow, and work, and the effects of the PBS on the working gas behavior and the engine performance are investigated in detail. In addition, the calculated results are inspected in comparison with the experimental ones as to fluctuations of pressure and pressure drop.

Original languageEnglish
Pages (from-to)2465-2472
Number of pages8
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume57
Issue number539
Publication statusPublished - 1991 Jul
Externally publishedYes

Fingerprint

Stirling engines
engines
Engines
thermodynamic efficiency
mass flow
pressure drop
heat transmission
Pressure drop
numerical analysis
Numerical analysis
Heat transfer
cycles
evaluation
Gases
gases

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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