“…To avoid this difficulty, different fin shapes like triangular, trapezoidal, recto-trapezoidal, straight fin with step change in thickness, SRC profile, eccentric, elliptic, T-shape, etc. [21][22][23][24][25][26][27][28][29] had been established for the design purpose. In a restricted design application, superiorities of all these profiled shapes were highlighted in their analyses.…”