I want to design a air cooled condenser coil for very low face velocity of 100 fpm. The dimensions of coil are like 1.5 x .5 m (L x B). Heat removable must be 5 kw and the coil must have low air pressure drop.
Dear Chetan Gaur
I suggest you to gain more information by reading articles and enhancing your literature information in this subject. then model your selective case in a simulating software like ANSYS Fluent to catch results from your simulation and make sure about your decision.
Good Luck
You might take your question to the DEOS Australia HVAC control company or the BOSCH Germany group who are dealing with low air velocity conditioning systems.
Sorry - no contacts for you - but these are two companies dealing with these sort of issues: Open Balance-DEOS and Bauer Optimisation -BOSCH.
My company specializes in this area. We are an R&D company that develops specialized heat exchangers with our proprietary technology to develop small, lighter and lower pressure drop heat exchangers. you can see a quick blurb at: http://www.altextech.com/thermal.html Let me know if you're still interested.
It's better to use some website/App sizing tools to size your condenser or evaporator air coils. You can try our e-Tools available at www.Refriglab.com to size your refrigeration and AC condenser and evaporator air coils (coil tube OD ranging from common 16mm, 12mm, 9.5mm, 8mm to the new 7mm, 5mm, 4mm). At the same website, you can size your coil circuiting/pass number, size your CAP (capillary) tube and accumulator. You can also use the e-Tools to quantify the optimal refrigerant charge amount if you have all components data ready.
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