Abstract
In this paper, results of numerical calculation to predict performances of the new linear Stirling power generator which utilizes the cold potential are described. The linear Stirling power generator (LSPG) was proposed previously by the present authors. It has a simple structure and consists of two displacers and one power piston contained in a completely sealed cylinder. The results of present calculation have suggested that the LSPG can achieve a high generator efficiency of 45 % for cold potential utilization of liquid nitrogen. It is also found that in the present LSPG, the power output can be changed by adjusting the displacer stroke, although this is impossible in the conventional FPSE. Furthermore, a decrease of the generator efficiency was found very small even if the power output was reduced. These results have suggested that the LSPG is attractive as a dispersed power supply. An experiment of the Linear Power Generator (LPG) was also conducted and these results are described.
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