Effect on Efficiency of Two-phase Flow Distribution in a Parallel Flow Heat Exchanger with Reverse Upward Flow
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 4
Abstract
The air and water flow distribution are experimentally studied for a round header – flat tube geometry simulating a parallel flow heat exchanger. The number of branch flat tube is 25. The effects of tube outlet direction, tube protrusion depth and quality are investigated. The flow at the header inlet is identified as annular. For the upward flow configuration, the water flow distribution is significantly affected by the tube protrusion depth. For flush-mounted configuration, most of the water flows through frontal part of the header. As the protrusion depth increases, minimum water is forced to the rear part of the header. Possible explanations are provided based on the flow visualization results.
Authors and Affiliations
Satish Choudhary
Keywords
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