Performance and scaling evaluation of water spray augmentation of air cooled condensers
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Performance and scaling evaluation of water spray augmentation of air cooled condensers

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Published by The Authority in [Chattanooga, Tenn.?] .
Written in English


  • Air conditioning -- Equipment and supplies.,
  • Refrigeration and refrigerating machinery.

Book details:

Edition Notes

Statementsubmitted to Tennessee Valley Authority under contract TV-55531A ; submitted by Johnson Environmental and Energy Center, the University of Alabama in Huntsville ; written by Gerald R. Guinn ... [et al.].
ContributionsGuinn, Gerald R., Tennessee Valley Authority., Kenneth E. Johnson Environmental and Energy Center.
The Physical Object
Paginationxi, 150, 96 p. :
Number of Pages150
ID Numbers
Open LibraryOL15325930M

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Cansevdi et al., [3], introduced a new water-spray mist-cooling system to assess its performance, which is based on pre-cooling the ambient air entering the condensers to decrease compressor power consumption of air-cooled chillers with a nominal capacity of kW. It mainly consists of atomization.   This paper compares the performance characteristics of refrigeration systems employing three types of condensers, namely the air‐cooled, the water‐cooled and the evaporative condensers. Experimental studies were conducted in the same vapour‐compression refrigeration unit operating with a different condenser in each by: It has been recognized in recent times that air-cooled condensers (ACCs) are environmentally preferable to the traditional water-cooled condensers for . air-cooled condenser with adiabatic cooling (spray cooling) of the inlet air at a considerably lower cost. For the same turbine power output the water consumed by an air-cooled condenser incorporating a hybrid (dry/wet) dephlegmator is at least 20% less than an air-cooled condenser with adiabatic cooling of the inlet air.

  Highlights Water mist system coupled to air-cooled chillers was experimentally investigated. Detailed analysis applied to the performance of air-cooled chillers with water mist. Water mist system enhanced the performance of air-cooled chillers by up to %. Water mist is an energy-efficient and environment friendly technique. Similarly, for a system with 1/32” of scale, the additional electrical costs for the year are estimated to be $56, vs as system with no scale. The effects of condenser scale on system performance (specifically you pocket book) are pretty obvious. The question now is what are YOU doing about keeping scale off your condensers? boost the summer performance of air cooled condenser in geothermal power plants. A system in which water directly contacts the condensate tubes has the highest performance and is economically the most attractive. However, consideration of scaling and corrosion must be addressed. Jabardo and Mamani () [2] developed a. worked on performance analysis of a surface type condenser. Rafal Laskowski [6] has analysed steam condenser performance in off-design conditions as the function of inlet parameters. Sami I. Attia [7] has analyzed the influence of condenser cooling water temperature on the thermal efficiency of a .

Air Cooled Condensers and Their Effect on Energy Efficiency Rev 2 / 13 The permitted Maximum Noise Level (is more of a priority in recent times) The desired Energy Efficiency Class (is more of a priority in recent times) The isolation, heat resistance and protection class properties of the fans (is more of a priority in. This issue of water quality appears to have resulted in development of closed-loop cooling water systems that are air-cooled, known as a “Heller” system. These are discussed in Section Direct-contact condensers using two fluids have been studied in the past for use in binary geothermal power plants (Robertson, ) and appear to. ANALYSIS OF HEAT TRANSFER IN AIR COOLED CONDENSERS Sigríður Bára Ingadóttir Water cooled systems utilize a water source to condense steam from the turbine. for an effective performance. As mentioned before, an air cooled condenser does. the main features of air-cooled condensers, showing the problems related to their use, such as the presence of non-condensable gases inside the steam flow or the condenser performances variability due to ambient conditions. The present study refers to A-frame air-cooled condensers characterized by single-pass and multiple-row arrangement.