engineering recuitment BEL Probationary Engineers Mock Test 2025 Heat Transfer Heat Exchanger Heat Exchanger Analysis
Effectiveness (ε) and NTU relation for condenser may be written as
1
NTU = ln (1 + ε)
2
NTU = ln (1 - ε)
3
NTU = -ln (1 - ε)
4
\({\rm{\varepsilon }} = \frac{{NTU}}{{1 + NTU}}\)