A stream of water flowing at 25 gpm must be cooled from 80°F to 70°F with chilled water at 50°F flowing at 20 gpm in a coaxial counterflow heat exchanger with an overall U-factor of 450 Btu/h⋅ft2⋅°F and 1.25 in. diameter inner tube. Calculate the required length of heat exchanger tubing.

Q: The acceleration of a rocket traveling upward is given by a=(6+0.02s) m/s^2, where s is in meters.…

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Q: Hot water (Cp= 4.188 kJ/kg.K) with mass flow rate of 2.5 kg/s at 100 C enters a thin-walled…

A: specific heat of hot waterCph=4.188kJ/kg-Kmass flow rate of hot waterm˙h=2.5kg/sInlet temperature of…

Q: A heat exchanger that is used for cooling lubricating oil is comprised of a thin-walled inner tube…

A: Diameter of inner tube, d1=30 mm=0.030 mDiameter of outer tube, d2=50 mm=0.050 mOverall heat…

Q: 8. A shell and tube heat exchanger (single shell, two tube pass) is used to cool oil from a large…

A: First, we need to calculate the Reynolds number to determine the flow regime. The Reynolds number is…

Q: i. If you increase the length of the tube, will the overall heat transfer coefficient U change?…

A: A heat exchanger typically involves two fluids separated by a solid wall. Heat is first transferred…

Q: Saturated water vapor leaves a steam turbine at a flow rate of 1.5 kg/s and a pressure of 0.51 bar.…

A: To find: The required heat exchanger surface area and the water flow rate and for the same water…

Q: Water is used to cool ethylene glycol in a 60-ft-long double pipe heat exchanger made of 4-std and…

A: Given,T1 = 180oFmw = 20 lbm/secmc = 30 lbm/sect1 = 60oFFrom Copper Tubing:4 - std => IDa = 0.3279…

Q: Solve using NTU method. Consider a liquid (Cp = 2.2 kJ /kg·K) is cooled at a rate of 12 kg/min from…

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Q: counter-flow heat exchanger, water entering at 1 kg/s is heated from 23°C to 69°C as it flows thru…

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Q: A double tube heat exchanger is made of copper (k = 380 W / m. ° C). Inner diameter of inner tube Di…

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Q: In a double pipe heat exchanger if the wall resistance can be neglected and the convective heat…

A: Given:The convective heat transfer coefficient based on the inner diameter of the inner pipe, The…

Q: A heat exchanger is heating water on the tube side with steam condensing on the shell side.  The…

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Q: he flow emperati

A: Given: Fluid flow rate and inlet temperature for a counter flow, concentric tube heat exchanger of…

Q: A condenser is to be fabricated from the heat exchanger tubing described in Problem 3.1 for a…

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Q: Water (Cp = 4200 J/kg. °C) is used cool an unknown fluid (with a given Cp = 3810 J/kg.°C) using a…

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Q: A stream of ammonia is cooled from 100oC to 20oC at a rate of 180 kg/hr in the tube side of a…

A: The inlet temperature of ammonia is .The exit temperature of ammonia is .The flow rate of ammonia is…

Heat Exchangers

Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.

Heat Exchanger

The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.