Heat Exchanger Modeling Accounting for Condensation and Temperature Pinch 831106

High performance heat exchangers are used extensively in aircraft environmental control systems. Current state-of-the-art systems incorporate heat exchangers that have condensation. System modeling requires a heat exchanger representation that appropriately accounts for moisture phase change. A phenomenon referred to as temperature pinch significantly affects heat exchangers. This effect is not typically considered due to its complexity. This paper describes a model that is representative of the temperature pinch effect.


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