Water stream (density 996.4 kg/m3, viscosity 0.656 mPas) is fed to the shell side of a shell and tube heat exchanger. The inner diameter of the shell is 45 cm, it contains 71 tubes of diameter 25/30 mm. Linear velocity is 0.6 m/s. Calculate the Reynolds number. Please note that: Method of calculation: Reynolds number at the shell side is linear velocity*equivalent diameter*density/dynamic viscosity Equivalent diameter can be calculated as 4*cross section of the flow over wetted perimeter.

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The correct answer is 48958 this is the answer just to check your calculation note that your calculation must be correct when multiplying numbers :)