Abstract
For the design of stirling engine, the basic data on various regenerator materials are required to be offered which have to be incorporated to the design by computerized simulation. The, pressure loss and gas temperature were instantaneously measured for various regenerator materials installed in oscillating fluid flow. Hydraulic diameter is used as the representative length defined by friction factor and Reynold's number, and flow characteristics of different materials were able to be unifomly adjusted. It was found that heat regeneration loss was able to be evaluated by utilizing the hydraulic diameter, length of regenerator, mean temperature on both side of regenerator, mean heat flow. Such simple eavaluation method is effective when it is applyed to actual engine. By using the frictional loss factors and heat regenerating loss obtained by this study, the effect of wire diameter and length of regenerator on indicated thermal efficiency was clarified. 14 refs., 12 figs., 1 tab.
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