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Figure 3.9 Secondary flow and temperature [0= (T- To)/(Tw- To) ] for rotating ribbed duct, Ro = 0.14, Dpfp = 0.122 and b = 135°.

Figure 3.9 Secondary flow and temperature [0= (T- To)/(Tw- To) ] for rotating ribbed duct, Ro = 0.14, Dpfp = 0.122 and b = 135°.

(a ) Leading and Trailing surfaces (Ro= 0.0, Ap/p = 0.122)

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