Answer Posted / sachin borse
Maximum tmeperature in gas turbine is limited from
metallurgical point of view. More heat you add more you can
get power output. In t-s diagram as you move your point in
s axix away from zero you will get increase in work output.
This will also increase t. To avoid this i must break
expansion in more than one stage. add heat between stages
(reheat.)Advantage of reaheat is it gives more power output
for given size and weight of gas turbine.
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