Search Results - subject:"heating capacity"

Measurement and Evaluation of Heating Performance of Heat Pump Systems Using Wasted Heat from Electric Devices for an Electric Bus

Cho, Chung-Won; Lee, Ho-Seong; Won, Jong-Phil; Lee, Moo-Yeon - In: Energies 5 (2012) 3, pp. 658-669

temperature and volume flow rate of the coolant water of the electrical devices. Heating capacity, compressor work, and heating …

Persistent link: https://www.econbiz.de/10011030944

A new ejector heat exchanger based on an ejector heat pump and a water-to-water heat exchanger

Sun, Fangtian; Fu, Lin; Sun, Jian; Zhang, Shigang - In: Applied Energy 121 (2014) C, pp. 245-251

(WWHE) was presented to increase the heating capacity of the existed PHN, and the EHE was also analyzed in terms of laws of … temperature of return water in the PHN to 35°C, therefore, this can increase the heating capacity of existed PHN by about 43%. The …As urban construction has been developing rapidly in China, urban heating load has been increasing continually. Heating …

Persistent link: https://www.econbiz.de/10011040445

Performances of air source heat pump system for a kind of mal-defrost phenomenon appearing in moderate climate conditions

Wang, W.; Feng, Y.C.; Zhu, J.H.; Li, L.T.; Guo, Q.C.; … - In: Applied Energy 112 (2013) C, pp. 1138-1145

the COP up to 40.4% and the heating capacity to 43.4%. Such low energy efficiency continued quite a long time until the …

Persistent link: https://www.econbiz.de/10011040860

Field test investigation of the characteristics for the air source heat pump under two typical mal-defrost phenomena

Wang, W.; Xiao, J.; Guo, Q.C.; Lu, W.P.; Feng, Y.C. - In: Applied Energy 88 (2011) 12, pp. 4470-4480

reduces the COP and heating capacity by about 17.4% and 29%, respectively. In the second phenomenon of mal-defrost, three …

Persistent link: https://www.econbiz.de/10011040513

Thermal modeling and operating tests for the gas engine-driven heat pump systems

Sanaye, Sepehr; Chahartaghi, Mahmood - In: Energy 35 (2010) 1, pp. 351-363

Gas engine-driven heat pump (GEHP) is a heating and cooling system with the advantage of reducing the electric power in both heating and cooling modes of operation.

Persistent link: https://www.econbiz.de/10010811357

Cooling and heating potential of earth-air tunnel heat exchanger (EATHE) for non-air-conditioned building

Kumar, Rakesh; Kaushik, S.C; Srikonda, Ar. Ramesh - In: International Journal of Global Energy Issues 19 (2003) 4, pp. 373-386

A numerical model to predict energy conservation potential of earth-air heat exchanger system and passive thermal performance of building has been developed. This model improves upon previous studies by incorporating effects of ground temperature gradient, surface conditions, moisture content...

Persistent link: https://www.econbiz.de/10005751625

Cooling and heating potential of earth-air tunnel heat exchanger (EATHE) for non-air-conditioned building

Rakesh Kumar, S.C Kaushik, Ar. Ramesh Srikonda - In: International Journal of Global Energy Issues 19 (2003) 4, pp. 373-386

Persistent link: https://www.econbiz.de/10008538992