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An experimental investigation on reverse-cycle defrosting performance for an air source heat pump using an electronic expansion valve

Qu, Minglu; Xia, Liang; Deng, Shiming; Jiang, Yiqiang - In: Applied Energy 97 (2012) C, pp. 327-333

When an air source heat pump (ASHP) operates in heating mode, frost can be accumulated on the surface of its finned outdoor coil. Frosting deteriorates the operation and energy efficiency of the ASHP and periodic defrosting becomes necessary. Currently the most widely used standard defrosting...

Persistent link: https://www.econbiz.de/10010702403

Analysis of thermal and electrical performance of a hybrid (PV/T) air based solar collector for Iraq

Amori, Karima E.; Taqi Al-Najjar, Hussein M. - In: Applied Energy 98 (2012) C, pp. 384-395

The electrical and thermal performance of a typical single pass hybrid photovoltaic/thermal (PV/T) air collector is … solar radiation on the performance of the hybrid collector. The approved model is applied for a winter day (22 January 2011 …

Persistent link: https://www.econbiz.de/10010702444

Performance and fuel conversion efficiency of a spark ignition engine fueled with iso-butanol

Irimescu, Adrian - In: Applied Energy 96 (2012) C, pp. 477-483

investigated the effect of fueling a port injection engine with iso-butanol, as compared to gasoline operation. Performance levels …

Persistent link: https://www.econbiz.de/10010702647

Performance enhancement of vapor recompression heat pump

Waheed, M.A.; Oni, A.O.; Adejuyigbe, S.B.; Adewumi, B.A.; … - In: Applied Energy 114 (2014) C, pp. 69-79

option to boost the plant performance. However, in situation where such streams are not available within the plant premises …

Persistent link: https://www.econbiz.de/10010729365

Effect of induced cross flow on flow pattern and performance of proton exchange membrane fuel cell

Jiao, Kui; Bachman, John; Zhou, Yibo; Park, Jae Wan - In: Applied Energy 115 (2014) C, pp. 75-82

pattern and performance. In this study, three-dimensional numerical simulations are carried out to investigate the effect of … induced cross flow on the flow pattern and performance of a PEMFC with a previously proposed and experimentally studied novel … in improving PEMFC performance. …

Persistent link: https://www.econbiz.de/10010737721

Heating performance characteristics of a dual source heat pump using air and waste heat in electric vehicles

Ahn, Jae Hwan; Kang, Hoon; Lee, Ho Seong; Jung, Hae Won; … - In: Applied Energy 119 (2014) C, pp. 1-9

in electric vehicles. However, the heating performance of a single source heat pump has yet to be improved at low outdoor …. The performance of the dual source heat pump was measured at various operation modes: air source-only, waste heat-only and … dual heat source. The heating performance of the dual source heat pump was higher than those of the single source heat …

Persistent link: https://www.econbiz.de/10010743640

Performance analysis of a two-stage desiccant cooling system

Tu, Rang; Liu, Xiao-Hua; Jiang, Yi - In: Applied Energy 113 (2014) C, pp. 1562-1574

Multi-stage desiccant systems are an effective way to improve the performance of desiccant dehumidification systems … heat pump. The performance of a heat pump-driven two-stage desiccant wheel system is analyzed in this paper. Models of the … desiccant wheel and heat pump systems are utilized to predict system performance. The effects on system performance of the …

Persistent link: https://www.econbiz.de/10010718845

Estimation of performance variation of future generation IGCC with coal quality and gasification process – Simulation results of EU H2-IGCC project

Mansouri Majoumerd, Mohammad; Raas, Han; De, Sudipta; … - In: Applied Energy 113 (2014) C, pp. 452-462

quality and the selection of gasifiers on the overall performance of the baseline configuration of the IGCC plant. Four … performance of the plant. Simulation results show that slurry-fed gasifiers are not suitable for lignite coal, while dry …

Persistent link: https://www.econbiz.de/10010718882

Performance, combustion and emission tests of a metro-bus running on biodiesel-ULSD blended (B20) fuel

Bari, S. - In: Applied Energy 124 (2014) C, pp. 35-43

diesel (ULSD), termed B20, to find out its performance, combustion characteristics and emissions. In this study, B20 was … performance of the bus such as torque and power with B20 were found to be very similar to ULSD. Therefore, there was no …

Persistent link: https://www.econbiz.de/10011040492

Numerical investigations on the performance of a single-stage auto-cascade refrigerator operating with two vapor–liquid separators and environmentally benign binary refrigerants

Wang, Q.; Li, D.H.; Wang, J.P.; Sun, T.F.; Han, X.H.; … - In: Applied Energy 112 (2013) C, pp. 949-955

The performance of auto-cascade refrigerator operating with two vapor–liquid separators and six binary refrigerants (R … the performance with multi-component refrigerants and different temperature levels. …

Persistent link: https://www.econbiz.de/10011040532