Life below the wet bulb: The Maisotsenko cycle. Today’s combined-cycle power plants are attaining efficiencies near 50%. But a new technology promises levels . This paper investigates a mathematical simulation of the heat and mass transfer in the two different. Maisotsenko Cycle (M-Cycle) heat and mass exchangers. Request PDF on ResearchGate | On Dec 1, , Muhammad H Mahmood and others published Overview of the Maisotsenko cycle – A way.
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Maisotsenko cycle: technology overview and energy-saving potential in cooling systems
Cyvle, the energy-saving potential is estimated in conventional cooling systems, in terms of electricity and capital cost, in order to evaluate the financial benefit of Maisotsenjo application: Thus, the efficiency of the ECs is defined as the ratio of current to maximum possible temperature drop:.
Evaporation technology is simple and functional and has both residential and industrial applications, achieving significant efficiencies in cyfle climates hot and dry. As a conclusion, M-cycle can satisfy the mausotsenko demand miasotsenko most Greek cities and it is also expected to do at other Mediterranean regions of similar ambient conditionswithout consuming high amounts of ccyle and water.
The operation of the standard configuration of M-cycle is studied thereafter and useful conclusions are carried out, about the efficiency and the energy consumption electricity and water. This work is published and licensed by Dove Medical Press Limited. Abstract Fulltext Metrics Get Permission. Comparative study of the performance of the M-cycle counter-flow and cross-flow heat maisottsenko for indirect evaporative cooling.
An ideal EC would produce air as cool as the wet-bulb temperature, while a real cooler cannot reach such a low temperature. On the contrary, some types of ECs produce an air stream of extremely high humidity sometimes, the stream is almost saturated and consume a significant amount of water.
Keeping the humidity ratio of product air constant, it succeeds in decreasing the air temperature down to ambient wet-bulb temperature and close to ambient dew-point dp temperature, by a smart heat and mass transfer procedure. Although Maisotsen,o cannot achieve as low temperature as their users want due to the dew-point temperature restrictionM-cycle is the most effective IEC, the product air of which tends to the outlet air temperature of conventional building air-conditioning systems.
Evaporation cools maizotsenko air while increasing its moisture content or relative humidity. Published 6 March Volume On-site experimental testing of a novel dew point evaporative cooler. Gillan L, Maisotsenko V. Thus, the efficiency of the ECs is defined as the ratio of current to maximum possible temperature drop: Scientific research focus on improved refrigerants the global warming potential of which is lower than maisotsennko of restricted R or R or more effective compressors; however, the high operational cost of these units as well as its role in atmospheric pollution cannot significantly be limited.
It enters the wet channels under lower temperature than ambient temperature, and the wet-bulb temperature, which is eliminated at each working channel, is related to the inlet temperature. It is clear that, because the two currents do not interact, any water addition will not affect the product stream and its contribution to the increase of the latent heat, which causes evaporation, is linked to the temperature difference of the two streams. Riangvilaikul B, Kumar S. If the working stream flow is limited, the weakening of the evaporation so the temperature drop in the product stream is lower works as an obstacle to the cooling capacity, but not as much as a limited product stream flow does.
M-cycle has been designed to optimize the effectiveness of both stages of evaporation direct evaporation of working stream and heat exchange between streams. No heat is added or taken out of the air; thus, it is an adiabatic process of constant enthalpy.
The fan draws in warm and dry ambient air through the wet blocks, cooling it. In this chapter, a commercial cooler based on M-cycle is compared to a conventional one of the same cooling capacity:.
Although conventional air-conditioning systems are widely accepted to be of high energy consumption, they cover a significant part of needs for air-conditioning. As the working stream passes through the wet channels, the water is evaporated and the required latent heat is absorbed by the dry channel, which becomes cooler and cooler Figure 3.
However, this method leads to a significant increase of specific water consumption.
[Full text] Maisotsenko cycle: technology overview and energy-saving potential in | EECT
Cyclr to the first configuration, the water evaporates into the air to be cooled; as a result, the product air is cold and wet. The replacement of conventional cooling systems by ones based on M-cycle leads to a significant environmental benefit, as:.
By accessing the work you hereby accept the Terms. Received 25 October Ignoring the rates of return, it is clear that at about 6, hours of operation Figure 7the increased cost of installation of an EC balances the xycle cost of operation of an conventional cooler.