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Using compressor discharge air bypass to enhance power generation of a steam-injected gas turbine for combined heat and power

Kang, Do Won; Jang, Hyuck Jun; Kim, Tong Seop - In: Energy 76 (2014) C, pp. 390-399

In gas turbine combined heat and power systems, steam injection is a good way to cope with seasonal variations in electricity and heat demands. However, even though thermal energy demand decreases considerably in cooling seasons, the surplus exhaust heat cannot be fully utilized for steam...

Persistent link: https://www.econbiz.de/10010939821

Numerical investigation of impeller trimming effect on performance of an axial flow fan

Li, Chunxi; Li, Xinying; Li, Pengmin; Ye, Xuemin - In: Energy 75 (2014) C, pp. 534-548

To study the performance variations of an axial fan after impeller trimming, numerical simulations are executed under …. The effects of trimming quantity and tip clearance on flow field and performance of the axial fan are investigated, and … before and after impeller trimming. The simulated results show that the performance curves after impeller trimming tend to …

Persistent link: https://www.econbiz.de/10010931382

Combustion, performance and emission characteristics of direct injection diesel engine fueled by Jatropha hydrogen peroxide emulsion

Nguyen, Kim-Bao; Dan, Tomohisa; Asano, Ichiro - In: Energy 74 (2014) C, pp. 301-308

Recently, Jatropha, a fast growing tropical plant, has caught the attention of researchers because the oil produced from Jatropha is a non-edible. However, worse emissions, when using raw Jatropha oil in diesel engines, have been reported in the literature due to its higher viscosity and lower...

Persistent link: https://www.econbiz.de/10010931391

Numerical investigation of blade tip grooving effect on performance and dynamics of an axial flow fan

Ye, Xuemin; Li, Pengmin; Li, Chunxi; Ding, Xueliang - In: Energy 82 (2015) C, pp. 556-569

Appropriate changes to the blade tip structure can effectively improve fan performance. The performance of the OB-84 …

Persistent link: https://www.econbiz.de/10011209474

Thermoelectric mini cooler coupled with micro thermosiphon for CPU cooling system

Liu, Di; Zhao, Fu-Yun; Yang, Hong-Xing; Tang, Guang-Fa - In: Energy 83 (2015) C, pp. 29-36

between the maximal COP (Coefficient of Performance) and Qc with the figure of merit. Full-scale experiments have been … number on the performance of the cooling system. Experimental results indicated that the cooling production increases with … performance of this cooling system could be enhanced when the total dimension of thermoelectric module matched well with the …

Persistent link: https://www.econbiz.de/10011264368

Artificial neural network model to predict the diesel electric generator performance and exhaust emissions

Ganesan, P.; Rajakarunakaran, S.; Thirugnanasambandam, M.; … - In: Energy 83 (2015) C, pp. 115-124

that the ANN models are reliable tools for the prediction of the performance and exhaust emissions of DGs. …

Persistent link: https://www.econbiz.de/10011264370

Experimental investigation of integrated refrigeration system (IRS) with gas engine, compression chiller and absorption chiller

Sun, Z.G. - In: Energy 33 (2008) 3, pp. 431-436

the gas engine operates the absorption refrigeration cycle, which provides additional cooling. The performance of the IRS …

Persistent link: https://www.econbiz.de/10010807326

Energy, exergy, and Second Law performance criteria

Lior, Noam; Zhang, Na - In: Energy 32 (2007) 4, pp. 281-296

Performance criteria, such as efficiencies and coefficients of performance, for energy systems, are commonly used but … and use of energy and exergy based performance criteria, and of the Second Law efficiency, with an aim at the advancement …

Persistent link: https://www.econbiz.de/10010807607

Thermodynamic irreversibility and performance characteristics of thermoelectric power generator

Sahin, Ahmet Z.; Yilbas, Bekir S. - In: Energy 55 (2013) C, pp. 899-904

Thermodynamic irreversibility and performance characteristics of a thermoelectric power generator are investigated. The …

Persistent link: https://www.econbiz.de/10010807717

Combined impact of injection pressure and combustion chamber geometry on the performance of a biodiesel fueled diesel engine

Jaichandar, S.; Annamalai, K. - In: Energy 55 (2013) C, pp. 330-339

combustion, performance and exhaust emissions, using a blend of 20% POME (pongamia oil methyl ester) by volume in diesel were …

Persistent link: https://www.econbiz.de/10010807847