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Product development of M-Cycle evaporative cooler based on counter cross flow heat exchanger
(UMT Lahore, 2021-08) Muhammad Umair; Osama Arshad; Abdul Hanan Ashraf
Cooling the atmospheric air through evaporative cooling to achieve comfortable thermal conditions is the cheapest and most widely applied method of cooling the air. In this study, an exhaustive investigation about the indirect evaporative cooling (IEC) has been carried out. Background, introduction, design and simulation of the M-Cycle based evaporative coolers has been accomplished and studied in detail. Indirect evaporative coolers have the potential to be the future of air conditioning world because they can provide comfortable cooled air in extremely low cost. The design of the cross-flow heat exchanger is fabricated for simulation and justification of the results comprising of 6 wet and 5 dry channels. Aluminum is used in fashioning the Heat and mass exchanger (HMX) to attain better heat transfer rates. Wick material is pasted on the walls to help the water evaporates. Water is used to cool the air, a temperature difference of 6℃ is achieved at the inlet temperature of 35℃. Temperature difference is higher when the inlet air has a higher temperature. A difference of 12-15℃ is achieved at 45℃ inlet temperature. A constant humidity is achieved in the design. A parametric study is performed on Ansys to validate the results.