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6 Problem 4 (25%) A 2-shell passes and 4-tube passes heat exchanger is used to heat...
6 Problem 4 (25%) A 2-shell passes and 4-tube passes heat exchanger is used to heat glycerin (Cp.gly = 2447) entering at 15 °C by hot water (Cp water = 4180 f.), which enters at 90°C. The thin-walled inner tube has a 4 cm diameter and a total length of 15 m. The hot water flows through the tube at a total rate of 0.265 kg/s, and the glycerin through the shell at a rate of 0.6 kg/s. The convection...
Section C – shell and tube heat exchanger sizing The vapour condenser for the combined gas-steam ...
Section C – shell and tube heat exchanger sizing The vapour condenser for the combined gas-steam power cycle described in Section B heats river water from 15 °C to 18 °C. The condenser is a shell and tube heat exchanger with one shell pass and two tube passes. The cooling water is inside the tubes while the shell side has the condensing vapour. More details: a. The tube OD is 1 ¼” (inches), the tube wall thickness is 0.05 inches....
The ‘Condensate pre-heater’ shown in the process circuit for the Killingholme combined cycle is a counter...
The ‘Condensate pre-heater’ shown in the process circuit for the Killingholme combined cycle is a counter flow shell and tube heat exchanger heated by a heat transfer oil. In reality this would utilise waste heat from the heat recovery boiler but this has been simplified for the purposes of setting an assessment question, to just using hot oil. The heat transfer oil flows through the tubes and the condensate flows through the shell of the heat exchanger. The oil enters...
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...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320 [k] with a flow in the opposite direction of the inner flow. The diameter of the thin- walled inner pipe is 2.5 [cm] a) b) c) Calculate the exit temperature of the hot fluid and the mass flow rate of the cold fluid...
Cold water with properties as shown in Table 4 flows at rate of 4 kg/s is...
Cold water with properties as shown in Table 4 flows at rate of
4 kg/s is heated from 28 oC to 54 oC in a shell-and-tube heat
exchanger as shown in Figure 4.The cold water inters the tubes
through thin-walled tubes, each tube has diameter of 19 mm, and the
average velocity inside each tube is 0.355 m /s. The shell side,
one pass is used with hot water as the heating fluid 1.8 kg/s
entering the exchanger at 93...
Problem 2: Heat exchanger (25 points) Cold water (op 4179 J/kg K) enters the tubes of a heat exchanger at 20 °C at a rate of 3 kgs. while hot oil (cp 2200 J/kg.K) enters the shell at 130 C at the sam...
Problem 2: Heat exchanger (25 points) Cold water (op 4179 J/kg K) enters the tubes of a heat exchanger at 20 °C at a rate of 3 kgs. while hot oil (cp 2200 J/kg.K) enters the shell at 130 C at the same mass flow rate and leaves at 60°C The heat exchanger consistsoftwo shells and 20 tubes, each executing four passes (two passes per shell). If the W/m2-K, assume the tube wall is very thin with convective heat transfer...
this is the full problem. 11.1 An industrial boiler consists of tubes inside of which flow hot combustion gases. Water...
this is the full problem.
11.1 An industrial boiler consists of tubes inside of which flow hot combustion gases. Water boils on the exterior of the tubes. When installed, the clean boiler has an over- all heat transfer coefficient of 300 W/m2- K. Based on experience, it is anticipated that the fouling factors on the inner and outer surfaces will increase linearly with time as Rat and R = at where a;= 2.5 x 10-1" m2- K/Ws and a =...
turbine as saturated vapor at 0.51 be liquid watr The steam is con id by passing it over the tu densed to saturate...
turbine as saturated vapor at 0.51 be liquid watr The steam is con id by passing it over the tu densed to saturated liquid by passing it e steame a shell-and-tube heat exchanger, while lia tubes of 11.76 In a Rankine power system, 1.5 kg/s of having an inlet temperature of T280k uid Wale h the tubes. The condenser contains 100 t%ae and the total 5 kg/s. The aver- is passed throug water flow rate through the tubes is 15...
1. A shell-and-tube heat exchanger with 1 shell and 10 tubes is used to heat glycerine...
1. A shell-and-tube heat exchanger with 1 shell and 10 tubes is used to heat glycerine in the shell, with hot water in the tubes. The tubes are thin walled and have a diameter of 1.5 cm and length of 2 m. The water enters the tubes at 100°C at a rate of 5 kg/s and leaves at 55°C. The glycerine enters the shell at 15°C and leaves at 55°C. Determine the mass flow rate of the glycerine and the...
6 Problem 4 (25%) A 2-shell passes and 4-tube passes heat exchanger is used to heat glycerin (Cp.gly = 2447) entering at 15 °C by hot water (Cp water = 4180 f.), which enters at 90°C. The thin-walled inner tube has a 4 cm diameter and a total length of 15 m. The hot water flows through the tube at a total rate of 0.265 kg/s, and the glycerin through the shell at a rate of 0.6 kg/s. The convection...
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...
Twenty [kw] of heat is to be removed from 375 [k] water flowing at 0.15 [kg/s] into the inner pipe of concentric tube heat exchanger. Cooling water enters the annulus at 290 [k] and leaves at 320 [k] with a flow in the opposite direction of the inner flow. The diameter of the thin- walled inner pipe is 2.5 [cm] a) b) c) Calculate the exit temperature of the hot fluid and the mass flow rate of the cold fluid...
Cold water with properties as shown in Table 4 flows at rate of
4 kg/s is heated from 28 oC to 54 oC in a shell-and-tube heat
exchanger as shown in Figure 4.The cold water inters the tubes
through thin-walled tubes, each tube has diameter of 19 mm, and the
average velocity inside each tube is 0.355 m /s. The shell side,
one pass is used with hot water as the heating fluid 1.8 kg/s
entering the exchanger at 93...
Problem 2: Heat exchanger (25 points) Cold water (op 4179 J/kg K) enters the tubes of a heat exchanger at 20 °C at a rate of 3 kgs. while hot oil (cp 2200 J/kg.K) enters the shell at 130 C at the same mass flow rate and leaves at 60°C The heat exchanger consistsoftwo shells and 20 tubes, each executing four passes (two passes per shell). If the W/m2-K, assume the tube wall is very thin with convective heat transfer...
this is the full problem.
11.1 An industrial boiler consists of tubes inside of which flow hot combustion gases. Water boils on the exterior of the tubes. When installed, the clean boiler has an over- all heat transfer coefficient of 300 W/m2- K. Based on experience, it is anticipated that the fouling factors on the inner and outer surfaces will increase linearly with time as Rat and R = at where a;= 2.5 x 10-1" m2- K/Ws and a =...
turbine as saturated vapor at 0.51 be liquid watr The steam is con id by passing it over the tu densed to saturated liquid by passing it e steame a shell-and-tube heat exchanger, while lia tubes of 11.76 In a Rankine power system, 1.5 kg/s of having an inlet temperature of T280k uid Wale h the tubes. The condenser contains 100 t%ae and the total 5 kg/s. The aver- is passed throug water flow rate through the tubes is 15...
1. A shell-and-tube heat exchanger with 1 shell and 10 tubes is used to heat glycerine in the shell, with hot water in the tubes. The tubes are thin walled and have a diameter of 1.5 cm and length of 2 m. The water enters the tubes at 100°C at a rate of 5 kg/s and leaves at 55°C. The glycerine enters the shell at 15°C and leaves at 55°C. Determine the mass flow rate of the glycerine and the...
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