(0084) Model-based research on the micro cogeneration system with Stirling engine

摘要

One of the elements and purposes of the climate-energy policy of the European Union is increasing the efficiency of conversion of the energy from fossil fuels. In view of 2020, relating to the year 1990, the intended purpose denotes the increase by 20%. Achieving the expected results is possible by means of management of high-temperature heat losses which accompany the technological processes, especially in thermal power engineering. An example of effective use of this heat is employment of devices of distributed generation (including: fuel cells, microturbines, and Stirling engines), which produce in combination electric energy, or mechanical energy and heat. In this work, the research of the micro cogeneration system with the Stirling engine has been presented, using nitrogen as a working gas. A crucial element of the conducted research is the model-based analysis of changes in selected thermodynamic parameters, including among others: pressure change in the working cylinder. The presented comparison of the research results, as well as the results of simulation can effectively support the prediction processes of operation of such a system.