What is the purpose, results and conclusion of this experiment? Experiment-2 Calculation of Energy Balance for Forced
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What is the purpose, results and conclusion of this experiment?
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Experiment-2 Calculation of Energy Balance for Forced and Natural Convection in Concentric Tube Heat Exchanger Purpose of the experiment: Calculation of the heat transfer rate (q) for concentric tube heat exchanger for forced (pump is on) and natural convection (pump is off). Procedure: 1) Open the main power. 2) Turn on the heater and the pump. Choose counter flow from the panel. 3) Adjust the flow rate of water at 100 (liters/h). 4) Adjust the temperature to 60 (°C). 5) When the system becomes stable, record the temperatures and the flowrateon the table below. 6) Stop the pump and open the by-pass valve. 7) When the system becomes stable, record the temperatures and the flowrateon the table below. Calculations: • Calculate the heat transfer rate for both forced (qforced) and natural convection (qatural) from the water side. (mwater X Cpwater × (AT)water) (The specific heat value (cp) of water should be taken at the average of water inlet and outlet temperatures) • Draw the temperature vs. heat exchanger pipe length graphic for both forced and natural convection modes. • Calculate the log mean temperature difference (AT)im for both forced and natural convection modes. Experiment-2 Calculation of Energy Balance for Forced and Natural Convection in Concentric Tube Heat Exchanger Purpose of the experiment: Calculation of the heat transfer rate (q) for concentric tube heat exchanger for forced (pump is on) and natural convection (pump is off). Procedure: 1) Open the main power. 2) Turn on the heater and the pump. Choose counter flow from the panel. 3) Adjust the flow rate of water at 100 (liters/h). 4) Adjust the temperature to 60 (°C). 5) When the system becomes stable, record the temperatures and the flowrateon the table below. 6) Stop the pump and open the by-pass valve. 7) When the system becomes stable, record the temperatures and the flowrateon the table below. Calculations: • Calculate the heat transfer rate for both forced (qforced) and natural convection (qatural) from the water side. (mwater X Cpwater × (AT)water) (The specific heat value (cp) of water should be taken at the average of water inlet and outlet temperatures) • Draw the temperature vs. heat exchanger pipe length graphic for both forced and natural convection modes. • Calculate the log mean temperature difference (AT)im for both forced and natural convection modes.
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Related Book For
Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
Posted Date:
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