Hi to all,
I have a question regarding to laboratory biosafety cabinets. I know that fume hoods can be CAV (constant air flow) and VAV (variable air flow), and on internet have a lots of schematic how to control the air for laboratory room with few fume hoods , supply air , return air..
But...
Hi to all,
I was wonder could anyone explain how works run around coil, I read a lot of about this and I notice that in some system loop we have a three way valve , and some work with two way valve or just with pump frequency regulated. If I correctly understand it well, we use a three way...
Hi,
I have one question about „how to work domestic fridge“. I know that compressors in domestic fridge work in cycle, but what happen when compressors off.
The pressures and temparatures in condenser and evaporator after some time are equal and liquid from condenser goes throught capilary...
Can anyone explain how it works mechanical CAV (Manual) like http://www.trox.es/---kvs-controlador-de-caudal-de-aire-/type-rn-a62db21c628cdb93.pdf
I know that have some aerodinamics force, but is it possible explain via formulas and sketch, How this device maintaining constant air flow, and how...
