Water at a flow rate of 5 kg / s in a tube bundle heat exchanger from 80 ° C to 100 ° C will be heated. Heating operation 250 kN / m2 It is provided by the condensation of a steam. Heat exchanger It consists of two pipes. The pipe outer diameter is 32 mm. Total heat transfer coefficient 1752 W / m2 Take it as ° C and calculate the required pipe length.

Water at a flow rate of 5 kg / s in a tube bundle heat exchanger from 80 ° C to 100 ° C will be heated. Heating operation 250 kN / m2 It is provided by the condensation of a steam. Heat exchanger It consists of two pipes. The pipe outer diameter is 32 mm. Total heat transfer coefficient 1752 W / m2 Take it as ° C and calculate the required pipe length.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.50P

See similar textbooks

Similar questions

Mot water is used to heat air in a double-pipe heat exchanger as shown in the following sketch. If the heat transfer coefficients on the water side and on the air side are 550W/m2Kand55W/m2K respectively, calculate the overall heat transfer coefficient based on the outer diameter. The heat exchanger pipe is 5-cm, schedule 40 steel (k=54W/mK) with water inside.
10.1 In a heat exchanger, as shown in the accompanying figure, air flows over brass tubes of 1.8-cm 1D and 2.1-cm OD containing steam. The convection heat transfer coefficients on the air and steam sides of the tubes are , respectively. Calculate the overall heal transfer coefficient for the heal exchanger (a) based on the inner tube area and (b) based on the outer tube area.
Q1: Considering the data below: heat exchanger to cool oil from (60 °C) using water available at (20 °C). The rate of flow of oil is 14 kg/s. The specific heat of the oil is 2200 J/kg K. The overall heat transfer coefficient U= 300 W/m2 K. Determine the outlet temperatures of the fluids. Workout for parallel flow, counter flow and shell with two tube passes.
The clean U for an exchanger is 770 BTU/(hr 0 F ft2). Its tube area is 550 ft2. After operating for several months, it is heating water from 40 0F to 150 0F at a flow rate of 200 GPM with a heating fluid on the shell entering at 300 0F and exiting at 170 0 F. Has the overall U decreased significantly? how many 1.0 inch diameter, 20 ft long tubes would it take to equal the 550 ft2 area?
Concentric tube heat exchanger (tubular or tube in tube) is used for a large industrial gas turbine. The dimensions and values are given. One of the steps is not required to find the required length of the HX, if the oil leaves at 60 C? Oil and water inlet temperatures are 100 and 30 C, respectively. Log mean temperature difference Overall heat transfer coefficient Thermal entry length to validate the steps None of the above Reynolds number, Prandtl number and Nusselt number
PLZ I want full answer with all solution steps A heat exchanger is to be designed to heat 32/68 mixture of ethylene glycol and water from 24 °C to 55 °C by a hot water stream from 79 °C to 42 °C. Flow rate of cold stream is 20 kg/s. Inlet pressure for both stream is 50 psi and the maximum pressure drop of 10 psi for cold stream and 8 psi for hot water are permissible. Report valid assumptions made for the design and give required justification. Estimate i) Heat Transfer, Corrected LMTD, ii) Tube bundle diameter (Using TEMA standards and Codes) and Tube cross sectional area iii) Heat transfer coefficient iv) Overall heat transfer coefficient v) Pressure Drop (Shell side & Tube Side) note: Assume any values for the missing data
A heat exchanger with an effectiveness of 75 percent is used to heat 5 kg/s of water from 2. ( 50 °C with condensing steam at 1 atm. Calculate the area for U = 1200 W/m2.°C. Suppose fouling occurred on both the tube and shell side with the following fouling factors, Rwater = 0.0002 m2-°C/W, and Risteam = 0.00009 m2. °C/W, what will be the new exiting temperature of the water?
In a heat exchanger, water flows through a long copper tube (inside diameter 2.2 cm) with an average velocity of 2.13 m/s. The water is heated by steam condensing at 150 degree celsius on the outside of the tube. Water enters at 15 degree Celsius and leaves at 60 degree Celsius . What is the heat transfer coefficient, h, for the water? Write the given, required and solution
Plz Answer this ASAP The diameter of the tube is 25 mm. The specific heat of water is 4.18 kJ/kg.°C. The overall heat transfer coefficient is 0.7 kW/m².°C. 1.Heat exchanger effectiveness (E) 2.NTU 3.Required length of tube
heated from 50 C to 75 C by an oil flowing through the tube.. The oil enters at 115 °C and leaves at 70 °C. The overall heat transfer co-efficient is 340 W/m²K. Water flows at the rate of 65 kg/min through a double pipe counter flow heat exchanger. Water is (Specific heat of water is 4186 J/kg. C, and the specific heat of the oil is 1780 j/kg. °C). calculate the following: 1. Heat exchanger area 2. Rate of heat transfer 3. Mass flow rate of oil
Concentric tube heat exchanger (tubular or tube in tube) is used for a large industrial gas turbine. The dimensions and values are given. One of the steps is not required to find the required length of the HX, if the oil leaves at 60 C? Oil and water inlet temperatures are 100 and 30 C, respectively. Thermal entry length to validate the steps O None of the above Log mean temperature difference Reynolds number, Prandtl number and Nusselt number O Overall heat transfer coefficient
Draw the Temperature & compute the LMTD for CO-CURRENT & COUNTER-CURRENT flow heat exchanger. A single-pass tubular type heat exchanger heats air from 35 C to 80 C. Exhaust gas from DIESEL engine at 350 C is used as heating medium. If the final temperature of exhaust gas leaving the heat exchanger is 140 C, what is the LMTD?