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Experimental assessment of the energy performance of a hybrid desiccant cooling system and comparison with other air-conditioning technologies

Angrisani, Giovanni; Roselli, Carlo; Sasso, Maurizio - In: Applied Energy 138 (2015) C, pp. 533-545

Desiccant-based air handling units (AHU) can allow significant energy saving and emissions reductions with respect to conventional air-conditioning systems. In this work, experimental tests are used to investigate a hybrid desiccant cooling system (DCS) with desiccant wheel (DW), interacting...

Persistent link: https://www.econbiz.de/10011116162

Numerical modelling of a solar thermal cooling system under arid weather conditions

Sim, Lik Fang - In: Renewable Energy 67 (2014) C, pp. 186-191

adsorption cooling system requires an area of 23.4 m2 evacuated tube collector titled at 24° from horizontal with a water storage … parameters. Study shows that the adsorption cooling system can reduce the electricity consumption by 47% compared to a …

Persistent link: https://www.econbiz.de/10011043830

A review on desiccant based evaporative cooling systems

Mujahid Rafique, M.; Gandhidasan, P.; Rehman, Shafiqur; … - In: Renewable and Sustainable Energy Reviews 45 (2015) C, pp. 145-159

The air conditioner should control the building sensible and latent load properly in order to provide the indoor comfort conditions. The conventional mechanical vapor compression system usually controls the latent load by the process of condensation of water vapor in which air is cooled below...

Persistent link: https://www.econbiz.de/10011209047

Performance of two-stage rotary desiccant cooling system with different regeneration temperatures

Ge, T.S.; Dai, Y.J.; Wang, R.Z.; Li, Y. - In: Energy 80 (2015) C, pp. 556-566

Increasing attention is being given to energy-saving air conditioning technology in recent years. Using natural refrigerant and driven by low grade thermal energy, rotary desiccant cooling system has become a sound alternative solution to conventional vapor compression system. Although one-stage...

Persistent link: https://www.econbiz.de/10011190974

Study of heat and mass transfer in a dehumidifying desiccant bed with macro-encapsulated phase change materials

Rady, M.A.; Huzayyin, A.S.; Arquis, E.; Monneyron, P.; … - In: Renewable Energy 34 (2009) 3, pp. 718-726

The present article reports on the feasibility of using encapsulated phase change materials (EPCMs) in the dehumidifying bed of a desiccant cooling system. The mathematical model used to simulate the coupled non-equilibrium heat and moisture transfer processes in the porous composite structure...

Persistent link: https://www.econbiz.de/10010807076

Performance improvement of a gas turbine cycle by using a desiccant-based evaporative cooling system

Zadpoor, Amir Abbas; Golshan, Ali Hamedani - In: Energy 31 (2006) 14, pp. 2652-2664

This paper focuses on power augmentation of a typical gas turbine cycle by using a desiccant-based evaporative cooling system. This technique requires a desiccant-based dehumidifying process be used to direct the air through an evaporative cooler, which could be either media-based or spray type....

Persistent link: https://www.econbiz.de/10010808473

Solar sorption refrigeration in Africa

N’Tsoukpoe, Kokouvi Edem; Yamegueu, Daniel; Bassole, … - In: Renewable and Sustainable Energy Reviews 35 (2014) C, pp. 318-335

, adsorption or desiccant cooling applications. From this overview, it appears that a lot of achievements have been made, though … based on adsorption or absorption has been reported. Mediterranean countries seems to offer the best weather conditions for …

Persistent link: https://www.econbiz.de/10010776839

Performance advancement of solar air-conditioning through integrated system design for building

Fong, K.F.; Lee, C.K. - In: Energy 73 (2014) C, pp. 987-996

This study is to advance the energy performance of solar air-conditioning system through appropriate component integration from the absorption refrigeration cycle and proper high-temperature cooling. In the previous studies, the solar absorption air-conditioning using the working pair of water...

Persistent link: https://www.econbiz.de/10010906841

Performance study of new adsorbent for solid desiccant cooling

Cui, Qun; Chen, Haijun; Tao, Gang; Yao, Huqing - In: Energy 30 (2005) 2, pp. 273-279

investigated. The adsorption isotherms of adsorbents were obtained. Cooling capacity as functions of time had been determined in … as adsorption capacity, air humidity, regeneration temperature and cooling capacity were discussed. The results show: (1 ….e., silica gel and 13x molecular sieve); (2) the maximum adsorption capacity of water on DH-5 and DH-7 reaches 0.72 and 0.73 kg …

Persistent link: https://www.econbiz.de/10011053332

Site verification and modeling of desiccant-based system as an alternative to conventional air-conditioning systems for wet markets

Lee, S.H.; Lee, W.L. - In: Energy 55 (2013) C, pp. 1076-1083

Desiccant cooling system for active humidity control and to conserve energy has been in commercial applications for over two decades. However, its use in humid wet markets has never been examined. A gas-fired desiccant cooling system has been installed in a wet market in Hong Kong. In this...

Persistent link: https://www.econbiz.de/10011053597