Question 4: What are the accepted pressure drop measurement techniques across utility side of the heat...
Question 4: What are the accepted pressure drop
measurement techniques across utility side of the heat
exchanger?
Question 5: How do I determine the steam requirement and condensate outlet temperature for a heat exchanger?
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Question 4: What are the accepted pressure drop
measurement techniques across utility side of the heat...
Question 5 - LMTD Heat Exchangers A 2 shell, 4 tube pass heat exchanger is being...
Question 5 - LMTD Heat Exchangers A 2 shell, 4 tube pass heat exchanger is being used to heat 50 kg/s of a process fluid in the tubes from an inlet temperature of 25°C to a target temperature of 80°C using condensing steam at 150°C. The overall heat transfer coefficient for a clean heat exchanger was U-1500W/m2.°C, however, the design engineer neglected to take into account fouling of the heat exchanger. After 5 years of use, fouling has occurred with...
(LMTD method) A 2 shell, 4 tube pass heat exchanger is beingused to heat 40...
(LMTD method) A 2 shell, 4 tube pass heat exchanger is being
used to heat 40 kg/s of a process fluid in the tubes from an inlet
temperature of 15°C to a target temperature of 70°C using
condensing steam at 150°C. The overall heat transfer coefficient
for a clean heat exchanger was Uo=1500W/m2.°C, however, the design
engineer neglected to take into account fouling of the heat
exchanger. After 5 years of use, fouling has occurred with fouling
factors of 0.0005m2.°C/W...
The chain of heat exchangers shown in Fig. 5-27 has the purpose of elevating the temperature...
The chain of heat exchangers shown in Fig. 5-27 has the purpose of elevating the temperature of a fluid to 390 K, at which temperature the desired chemical reaction takes place. The fluid has a specific heat of 3.2 kJ/(kg K) both before and after the reaction, and its flow rate is 1.5 kg/s. The entering temperature of the fluid to heat exchanger is 290 K and the UA of this heat exchanger is 2.88 kW/K. Steam is supplied to...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold strea...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold stream Hot stream Crude Oil Fluid Cooling water Tube side Stream allocation Shell side Mass flow rate (kg/s) 110 30 Inlet temperature (C) 90 Outlet temperature (C) Heat capacity (J/kg K) Density (kg/m2) Viscosity (Pa-s) Thermal conductivity (W/m-K) Fouling factor (m2 CW) 40 50 2177 4187 787 995 0.72-10 1.89-103 0.122 0.59 0.0002 0.0004 The shell and tube heat exchanger has the following...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold strea...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold stream Hot stream Crude Oil Fluid Cooling water Tube side Stream allocation Shell side Mass flow rate (kg/s) 110 30 Inlet temperature (C) 90 Outlet temperature (C) Heat capacity (J/kg K) Density (kg/m2) Viscosity (Pa-s) Thermal conductivity (W/m-K) Fouling factor (m2 CW) 40 50 2177 4187 787 995 0.72-10 1.89-103 0.122 0.59 0.0002 0.0004 The shell and tube heat exchanger has the following...
[20] Question 3 Crude oil is to be heated from 22 °C to 58 °C by heat exchange with the bottom product froma dis...
[20] Question 3 Crude oil is to be heated from 22 °C to 58 °C by heat exchange with the bottom product froma distillation column. The bottom product, flowing at 30 kg/s, is to be cooled from an initial temperature of 145 °C to 105 °C. The following shell and tube heat exchanger is available: 600 mm ID (1 shell pass) Shell inside diameter Tube configuration 2 passes 19.05 mm Tube outside diameter 2.1 mm Tube wall thickness 1.25 x...
P15) Methane gas at 20°C is to be preheated in a heat exchanger consisting of a...
P15) Methane gas at 20°C is to be preheated in a heat exchanger consisting of a staggered arrangement of 4-cm-OD tubes, 5 rows deep, with a longitudinal spacing of 6 cm and a transverse spacing of 8 cm (see Fig. 7.28). Subatmospheric pressure steam is condensing inside the tubes, maintaining the tube wall temperature at 50°C. Determine (a) the average heat transfer coefficient for the tube bank and (b) the pressure drop through the tube bank. The methane flow velocity...
I. A finned-tube, cross-flow heat exchanger (F 0.96) is to use the exhaust of a gas...
I. A finned-tube, cross-flow heat exchanger (F 0.96) is to use the exhaust of a gas turbine to heat pressurized water. Laboratory measurement are performed on a prototype version of the exchanger, which has a surface area of 8 m2, to determine the overall heat transfer coefficient as a function of operating conditions. Measurements made under particular conditions, for which in-5 kgs. Thi-350 ℃, m.-0.5 kg/s, and Tu-25℃, reveal a water outlet temperature of Tso-150℃. What is the overall heat...
Problem 4: Heat Exchangers Analysis (25 points) A counterflow plate-type heat exchanger as shown in the...
Problem 4: Heat Exchangers Analysis (25 points) A counterflow plate-type heat exchanger as shown in the figure below is used to cool propane fuel W 50 mm H 25 mm Saturated Vapor propane Thickness t =5 mm H 25 mm Cooling water Length L The flow rate of the cooling water is 0.2 kg/s, while the flow of the propane is 0.1 kg/s. The water enters the heat exchanger at a temperature of 20°C while the propane enters at its...
A shell and tube heat exchanger with one shell pass and one tube pass will be...
A shell and tube heat exchanger with one shell pass and one tube pass will be used to condense the steam to saturated liquid, which enters the shell side as a saturated vapor at 400 K. The tube side contains R-134a refrigerant with an inlet temperature of 300 K and a mean velocity of 0.4 m/s. The steam flow rate is 1.5 kg/s. The tubes are made from AISI 302 stainless steel and have a 1" nominal diameter (Di =...
Question 5 - LMTD Heat Exchangers A 2 shell, 4 tube pass heat exchanger is being used to heat 50 kg/s of a process fluid in the tubes from an inlet temperature of 25°C to a target temperature of 80°C using condensing steam at 150°C. The overall heat transfer coefficient for a clean heat exchanger was U-1500W/m2.°C, however, the design engineer neglected to take into account fouling of the heat exchanger. After 5 years of use, fouling has occurred with...
(LMTD method) A 2 shell, 4 tube pass heat exchanger is being
used to heat 40 kg/s of a process fluid in the tubes from an inlet
temperature of 15°C to a target temperature of 70°C using
condensing steam at 150°C. The overall heat transfer coefficient
for a clean heat exchanger was Uo=1500W/m2.°C, however, the design
engineer neglected to take into account fouling of the heat
exchanger. After 5 years of use, fouling has occurred with fouling
factors of 0.0005m2.°C/W...
The chain of heat exchangers shown in Fig. 5-27 has the purpose of elevating the temperature of a fluid to 390 K, at which temperature the desired chemical reaction takes place. The fluid has a specific heat of 3.2 kJ/(kg K) both before and after the reaction, and its flow rate is 1.5 kg/s. The entering temperature of the fluid to heat exchanger is 290 K and the UA of this heat exchanger is 2.88 kW/K. Steam is supplied to...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold stream Hot stream Crude Oil Fluid Cooling water Tube side Stream allocation Shell side Mass flow rate (kg/s) 110 30 Inlet temperature (C) 90 Outlet temperature (C) Heat capacity (J/kg K) Density (kg/m2) Viscosity (Pa-s) Thermal conductivity (W/m-K) Fouling factor (m2 CW) 40 50 2177 4187 787 995 0.72-10 1.89-103 0.122 0.59 0.0002 0.0004 The shell and tube heat exchanger has the following...
1 CPD4701 Assignment 2/2019 Question 2 shell and-tube heat exchanger was designed for the following service: Cold stream Hot stream Crude Oil Fluid Cooling water Tube side Stream allocation Shell side Mass flow rate (kg/s) 110 30 Inlet temperature (C) 90 Outlet temperature (C) Heat capacity (J/kg K) Density (kg/m2) Viscosity (Pa-s) Thermal conductivity (W/m-K) Fouling factor (m2 CW) 40 50 2177 4187 787 995 0.72-10 1.89-103 0.122 0.59 0.0002 0.0004 The shell and tube heat exchanger has the following...
[20] Question 3 Crude oil is to be heated from 22 °C to 58 °C by heat exchange with the bottom product froma distillation column. The bottom product, flowing at 30 kg/s, is to be cooled from an initial temperature of 145 °C to 105 °C. The following shell and tube heat exchanger is available: 600 mm ID (1 shell pass) Shell inside diameter Tube configuration 2 passes 19.05 mm Tube outside diameter 2.1 mm Tube wall thickness 1.25 x...
P15) Methane gas at 20°C is to be preheated in a heat exchanger consisting of a staggered arrangement of 4-cm-OD tubes, 5 rows deep, with a longitudinal spacing of 6 cm and a transverse spacing of 8 cm (see Fig. 7.28). Subatmospheric pressure steam is condensing inside the tubes, maintaining the tube wall temperature at 50°C. Determine (a) the average heat transfer coefficient for the tube bank and (b) the pressure drop through the tube bank. The methane flow velocity...
I. A finned-tube, cross-flow heat exchanger (F 0.96) is to use the exhaust of a gas turbine to heat pressurized water. Laboratory measurement are performed on a prototype version of the exchanger, which has a surface area of 8 m2, to determine the overall heat transfer coefficient as a function of operating conditions. Measurements made under particular conditions, for which in-5 kgs. Thi-350 ℃, m.-0.5 kg/s, and Tu-25℃, reveal a water outlet temperature of Tso-150℃. What is the overall heat...
Problem 4: Heat Exchangers Analysis (25 points) A counterflow plate-type heat exchanger as shown in the figure below is used to cool propane fuel W 50 mm H 25 mm Saturated Vapor propane Thickness t =5 mm H 25 mm Cooling water Length L The flow rate of the cooling water is 0.2 kg/s, while the flow of the propane is 0.1 kg/s. The water enters the heat exchanger at a temperature of 20°C while the propane enters at its...
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