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mankam
22-04-2016, 01:44 PM
Compressor manufacturers provide data like mechanical power and cooling capacity. Does anyone know, how they calculate that cooling capacity? I mean it is obvious that cooling capacity will depend on temperatures of suction and discharge sides, thus maybe there are any standard temperatures for calculating this.

Josip
22-04-2016, 02:31 PM
Hi, mankam :)

welcome to RE forums ....


Compressor manufacturers provide data like mechanical power and cooling capacity. Does anyone know, how they calculate that cooling capacity? I mean it is obvious that cooling capacity will depend on temperatures of suction and discharge sides, thus maybe there are any standard temperatures for calculating this.

This is easy and complicate to explain because we do not know anything about you ... where to start with explanation .....
it will be good if you make one post here .... http://www.refrigeration-engineer.com/forums/forumdisplay.php?72-New-to-RE to introduce yourself to us ...;)


But let's try to help you ... in refrigeration all is about mass moving ... quite simple ...

here, below are some links where you can find some answer to your question ... then come back with any question or doubt you have ...


http://www.refrigeration-engineer.com/forums/showthread.php?30587-Mass-flow-into-Mass&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?31894-Volumetric-Mass&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?28159-Calculating-total-refrigerant-mass-kg&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?23220-Why-are-discharge-lines-smaller-than-suction-lines&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?21124-Measurement-of-Refrigeration-Capacity&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?14159-Mass-Flow-Rate-with-Big-Condenser&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?13416-converting-refrigerant-volume-to-mass&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?5617-Compressor-Capacity&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?45170-Compressor-capacity&highlight=mass+moving

http://www.refrigeration-engineer.com/forums/showthread.php?43993-How-to-calcualte-refrigerating-capacity-at-given-temperature&highlight=mass+moving

Yeah, a lot to read (but much more to be discovered by you) .... we read it before, now is your time ...;)

Of course you can use search window ... right up and write what you want to find ...

Refrigeration-Engineer.com forums Statistics:
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Hope this will be of some help to you ...

Best regards, Josip :)