Question: A heat exchanger consisting of ( mathbf { 1 2 . 5 m m } ) outside diameter copper tubes in a

A heat exchanger consisting of \(\mathbf{12.5 m m}\) outside diameter copper tubes in a staggered arrangement with transverse spacing \(\mathbf{25}\mathbf{m m}\), longitudinal spacing 30 mm . There are 9 rows of tubes in the airflow direction and 9 tubes per row. Condensing steam at \(150^{\circ} C \) flows inside the tubes. The heat exchanger is used to heat a stream of air flowing at 5\(\boldsymbol{m}/\boldsymbol{s}\) from \(\mathbf{20}{}^{\circ}\boldsymbol{C}\) to \(\mathbf{32}^{\circ}\boldsymbol{C}\). Determine air-side convection coefficient. Determine the rate of heat transfer for the tube bank. Calculate the air-side pressure drop for the tube bank.
A heat exchanger consisting of \ ( \ mathbf { 1 2

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