.../min for the corresponding temperature, a 42.01% increase. The system in power mode produced 91.28 W and 35.81 W with and without thermal infusion, respectively. The Rankine efficiency of thermally assisted hydraulic ram for combined application was above 10% whereas with power generation only...

... with cylindrical legs, and the influence of convective heat loss between lateral surfaces of legs and ambient environment is considered. Analytical solutions for temperature distribution inside the TEG, power output and energy conversion efficiency are obtained by using eigenfunction expansion method. A new...

.... Furthermore, exergy efficiency of turbofan rises from 27.67% to 29.42% due to rising BPR whereas it decreases from 29.46% to 27.65% owing to rising TIT. As for NOx emission results, the higher BPR leads to the lowering of the SNP index of the turbofan from 0.46 to 0.375 g/kNs while the higher TIT yields...

... to focus on the blade shape optimization of twisted Darrieus turbine. In view of this, experimental analysis has been performed to appraise the efficiency of a spiral Darrieus water rotor in the present work. To better the performance parameters of the studied water rotor with twisted blades, three novel...

...-cycle power plant exergy adiabatic flame temperature efficiency combustion chamber environmental analysis air emissions from fossil fuel combustion energy conversion/systems energy storage systems energy systems analysis heat energy generation/storage/transfer power (co-) generation...

... the proposed multigeneration system resulted in an energetic and exergetic coefficient of performance of 1.14 and 0.63 for heating, an increase of 30–52%. Additionally, the literature revealed that some systems resulted in an energy and exergy efficiency of 26.2% and 36.6%. The proposed multigeneration system...

... performances. The results of this study indicate that the energy and exergy efficiency values of the entire plant for the selected operating conditions become 38.41% and 42.57%. In addition to the thermodynamic analysis performed, numerous parametric studies are performed to reveal how operating conditions...

... thermodynamic effectiveness of this process is determined. It presents higher efficiency compared with the traditional methods of converting heat into work based on the expansion of the working material. This article describes the method and the algorithm of the experiment to determine the operational...

... (T bs ), and overall efficiency (η OE ) of the hybrid PV/T system for the winter condition. Statistical analysis has been performed in the cold climate of MNIT, Jaipur (India), for determining performance parameters of the hybrid PV/T system. An experimental validation has been carried out...

... geothermal power plants are investigated with reinjection options. The optimal operating points are determined specifically through optimal flashing pressures. The turbine power outputs, energy efficiencies, and exergy efficiencies are further studied. A rise in the flashing stages from single to double...

...Hakan Caliskan; Arif Hepbasli This study presents exergy analysis of a natural gas-fired radiant tube-heating furnace. In the analysis, actual data over a test period of 3 h were used. Exergy efficiencies, destructions, losses, and entropy generation of the furnace were determined. For an average...

... exhaust heats the natural gas and air inputs, and generates pressurized steam. The steam mixes at the SOFC stack inlet with natural gas to facilitate the reformation process. The integration of solid oxide fuel cells with gas turbines increases significantly the power generation efficiency relative...

... and exergy is employed, and a comprehensive parametric study is performed to investigate the effects of exhaust gas inlet temperature, pinch-point, and gas composition on energy efficiency, power-to-cold ratio, and exergy efficiency of the cogeneration cycle and exergy destruction in each component...

... efficiencies of the wind energy generating system and verify the models through a case study on a 100 kW wind generating system for 21 climatic stations in the province of Ontario, Canada. New energy and exergy efficiency maps of the wind energy generating system are introduced to provide a common basis...

...Leyla Ozgener; Arif Hepbasli; Ibrahim Dincer This paper deals with a thermo-mechanical exergy analysis of Balcova Geothermal District Heating System (BGDHS) in Izmir, Turkey using actual system data and an assessment of the district heating system performance, energy and exergy efficiencies...