What is aspect ratio? Discuss the different methods of duct design.

Subject:- Refrigeration and Air Conditioning

Topic:- Duct Design and Applications

Difficulty:- Medium

rac(68) • 1.9k  views

Aspect Ratio

It is defined as the ratio of long side (a) to the short side (b) of a rectangular duct.


Aspect ratio is the major factor which influences initial and running cost of a duct. As A.R. increases, the heat gain by duct also increases. If A.R. increases for the fixed duct area and capacity, the weight of duct material and weight of insulation also increases.

enter image description here

Please log in to add an answer.

Continue reading

Find answer to specific questions by searching them here. It's the best way to discover useful content.

Find more