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This paper discusses gasification of organic municipal solid waste in Lebanon for electricity production. Therefore, a mathematical model is performed on Matlab to maximize system performance by studying the temperature, humidity and optimal oxygen intake. Residual heat from the syngas obtained is recovered, conveying thermal energy feed into an Organic Rankine Cycle (ORC). For this, an ORC is modeled...
In this study, low temperature Organic Rankine Cycle (ORC) systems with single and two-stage turbine are proposed for the production of electricity. The refrigerant R-134a is selected as working fluid based on peak temperature of the cycle for solar and geothermal applications. The design criteria of ORC system is introduced and explained in detail. The radial inflow turbine is selected to satisfy...
This paper presents a review of the status of power generation with nonaqueous working fluids from low-temperature thermal resource, the features, equipment composition and working processed as well as comparison of two main types of thermodynamic cycles which are Organic Rankine Cycle(ORC) and Kalina Cycle and nonaqueous working fluids including their classification and filter criteria for thermodynamic...
A comparative study of different Cases (A1, A2, B, C1, C2, D) of regenerator calculating methodology has been carried out for use in subcritical and transcritical organic Rankine cycles(ORCs) driven by low-temperature heat sources. The applicable ranges and conditions as well as influences on thermodynamic performances of different Cases have been analyzed. Results show that, for subcritical ORCs...
In this paper, the exothermic distribution of fuel was studied detailedly through conducting thermal equilibrium experiment when the vehicle gasoline engine was at different working conditions. Considering the characteristic of the exhaust temperature of the vehicle gasoline engine, the Organic Rankine Cycle (ORC) was adopted for the exhaust recovery. The thermodynamic parameter and thermodynamic...
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