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Define RSHF, ERSHF. Explain how to draw RSHF, ERSHF and GSHF lines on the psychrometric chart

Subject:- Refrigeration and Air Conditioning

Topic:- Design of air conditioning systems

Difficulty:- Low

RSHF

It is defined as the ratio of room sensible heat to room total heat. The supply air having conditions given by any point on this line will satisfy requirements of the room with quantity of air supplied different for different points

$RSHF=\frac{RSH}{RSH+RLH}$

GSHF

It is defined as ratio of …