Characteristics of high-efficiency gas turbine cogeneration systems using low Btu gas (LBG) are first analysed. Raising the turbine inlet temperature and incorporating a regenerator are both investigated as methouds to improve the efficiency of the cogeneration system (CGS). Taking a gas obtained by pyrolyzing municipal refuse as an example of an LBG, various thermodynamic characteristics of th...

Urban systems account for about two-thirds of global primary energy consumption and energy-related greenhouse gas emissions, with a projected increasing trend. Deep geothermal energy and woody biomass can be used for the production of heat, electricity and biofuels, thus constituting a renewable alternative to fossil fuels for all end-uses in cities: heating, cooling, electricity and mobility. ...

This contribution presents the analysis of possible utilizing of a tri-generation system for effective electricity, heat and cool production. A tri-generation offers more effective utilizing of primary energy sources in comparison with separate production of different kinds of energy. Natural gas is considered as the most common primary energy source utilized in tri-generation units. This analy...

This paper proposes a dynamic model of solar-based micro-cogeneration system called photovoltaic-thermal (PVT) collector to perform design optimization the multi-stage PVT system. The parametric study reveals most important parameters influencing water-based flat-plate performance. analysis also shows an existing trade-off between thermal and electrical efficiencies during operation. A novel ex...