What is difference between heat pump and refrigerator? Derive the relation for COP between heat pump and refrigerator.

2.1kviews

written 7.1 years ago by

arpitjain4120 • 0

modified 7.1 years ago by

sushanth2071 • 0

Subject:- Refrigeration and Air Conditioning

Topic:- Introduction to Refrigeration

Difficulty:- Low

refrigeration and air conditioning

ADD COMMENT EDIT

1 Answer

5views

written 7.1 years ago by

arpitjain4120 • 0

Relationship for COP between refrigerator and heat pump

COP of Pump = Ratio of heat transferred to work done.

= Qh/W … i

COP of refrigerater = Ratio of heat removed to work done.

= Ql/W … ii

By first law, Qh = W + Ql

Put in i

(W + QL)/W = 1+ Cop ref (from ii)

So,

COP pump = 1 + COP ref

ADD COMMENT EDIT

Please log in to add an answer.