Jim Grant Forum Moderator 121 Posts
Re: How do I calculate heat transfer surface?16 October 2013 at 10:10am
The number of plates required is dependent upon the surface area per plate. If you check with local vendors they can typically provide you with a quotation for a unit based on performance requirements. Some general rules of thumb to adhere to are maintaining a shear rate of > 50 Pa, a Reynolds number above 10,000 and a fouling allowance that is roughly 10% of the typical values used for shell and tube heat exchangers. Maintaining a reasonably low inlet manifold velocity will go a long way toward avoiding maldistribution across the plate pack.
Re: How do I calculate heat transfer surface?19 October 2013 at 10:13amplate heat exchanger design calculations
How do I calculate heat transfer surface (plate type) and number of required plates for the following system: Cold liquid: corn oil (inlet temp. 50 c; outlet temp.: 100 c) Q= MAX.25 m3/HR Hot liquid: glycol (inlet temp.: 105 c; outlet temp.: 75 c) Q= 25 m3/hr
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