نتایج جستجو برای: Evaporative Cooling

تعداد نتایج: 56706  

Journal: :journal of mechanical research and application 2011
moien farmahini-farahani hadi pasdarshahri

in this paper, exergy of conditioned air, exergy efficiency, irreversibility, and entropy generation of common models of evaporative cooling have been investigated in five cities of iran. direct evaporative cooling (dec), indirect evaporative cooling (iec), and two-stage iec/dec as the most popular methods of cooling have been modeled. atmospheric conditions are considered as the dead state of ...

Hadi Pasdarshahri Moien Farmahini-Farahani

In this paper, exergy of conditioned air, exergy efficiency, irreversibility, and entropy generation of common models of evaporative cooling have been investigated in five cities of Iran. Direct evaporative cooling (DEC), indirect evaporative cooling (IEC), and two-stage IEC/DEC as the most popular methods of cooling have been modeled. Atmospheric conditions are considered as the dead state of ...

E. Hajidavalloo,

In this paper, the application of evaporative cooling for refrigeration cycle to reduce power consumption in hot climates is emphasized. Experimental and analytical investigations were performed in order to specify the effect of evaporative cooling condenser instead of the commonly used air cooling condenser in window-air-conditioners. Evaporative condenser can reject more heat, thereby preve...

2012

Air conditioning systems of houses consume large quantity of electricity. To reducing energy consumption for air conditioning purposes it is becoming attractive the use of evaporative cooling air conditioning which is less energy consuming compared to air chillers. But, it is obvious that higher energy efficiency of evaporative cooling is not enough to judge whether evaporative cooling economic...

E. Hajidavalloo,

In this paper,&#10 the application of evaporative cooling for refrigeration cycle to reduce power consumption in hot climates is emphasized. Experimental and analytical investigations were performed in order to specify the effect of evaporative cooling condenser instead of the commonly used air cooling condenser in window-air-conditioners. Evaporative condenser can reject more heat, thereby pre...

Journal: :international journal of advanced design and manufacturing technology 0
navid bozorgan nariman bozorgan

a thermodynamic analysis of the counter flow wet cooling tower (cwct) in the steelmaking unit of the khuzestan steel company (ksc) is performed in this paper. we evaluated both energy and exergy formulations for analyzing the heat and mass transfer, exergy and second-law efficiency in this cooling tower. the lewis factor le f is an indication of the relative rates of heat and mass transfer in a...

2016
S. Jafari J. F. Dunne M. Langari Z. Yang J-P Pirault C. A. Long

Evaporative cooling system concepts proposed over the past century for engine thermal management in automotive applications are examined and critically reviewed. The purpose of the review is to establish evident system shortcomings and to identify remaining research questions that need to be addressed to enable this important technology to be adopted by vehicle manufacturers. Initially, the ben...

2014
Antonio Franco Diego L. Valera Araceli Peña

Evaporative cooling systems using a combination of evaporative pads and extractor fans require greenhouses to be hermetic. The greatest concentration of greenhouses in the world is located in southeast Spain, but these tend not to be hermetic structures and consequently can only rely on fogging systems as evaporative cooling techniques. Evaporative cooling boxes provide an alternative to such s...

Journal: :international journal of occupational hygiene 0
ehsan farvaresh department of occupational health engineering, school of public health,tehran university of medical sciences, tehran, iran. farideh golbabaei department of occupational health engineering, school of public health,tehran university of medical sciences, tehran, iran. mansour ghiyaseddin department of occupational health engineering, school of public health,tehran university of medical sciences, tehran, iran. ali behdashti managing director of imen sarv co. keramatollah nouri-jaliani department of epidemiology & biostatics, school of public health, tehran university of medical sciences, tehran, iran. mehrdad karimi department of epidemiology & biostatics, school of public health, tehran university of medical sciences, tehran, iran.

the aim of this study was to evaluate the effect of evaporative media as gas turbine intake air cooling method on pressure drop of cartridge air filters. this study performed under the laboratory condition, using stainless steel test rig with specified dimensions to investigate the role of evaporative media in air cooling as well as its effects on new and used cartridge filters (as representati...

2009
Jianlei Niu Xichun Wang A.H.C. van Paassen

Evaporative cooling is able to generate the cooling medium at a temperature approaching to the ambient wet bulb temperature. In this paper, a low-energy air conditioning strategy is proposed, which is a combination of cooled ceiling (CC), microencapsulated phase change material (MPCM) slurry storage and evaporative cooling technologies. The assessment of evaporative cooling availability and uti...

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