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4. The heat exchanger, shown below, is being used to generate vapor from saturated water at 385-K. The other side of the exchanger is condensing saturated steam at 400-K、The heat exchanger has 1...
The condenser of a large steam power plant is a heat exchanger in which steam is...
The condenser of a large steam power plant is a heat exchanger in which steam is condensed to liquid water. Assume the condenser to be a shell-and-tube heat exchanger consisting of a single shell and 30,000 tubes, each executing two passes (see figure below). The tubes are of thin wall construction with D=25mm, and steam condenses on their outer surface with an associated convection coefficient ho=11,000W/ m K The heat transfer rate that must be effected by the heat exchanger...
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....
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...
Problem 1. (30 points) A double-pipe heat exchanger is used to condense steam at 7370 N/m2....
Problem 1. (30 points) A double-pipe heat exchanger is used to condense steam at 7370 N/m2. Water at an average bulk temperature of 10°C flows at 2.50 m/s through the inner pipe. which is made of copper and has a 2.54-cm ID and a 3.05-cm OD. Steam at its saturation temperature flows in the annulus formed between the outer surface of the inner pipe and an outer pipe of 5.08-cm-ID. The average heat transfer coefficient of the condensing steam is...
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...
PROBLEM #3 (30 points) A shell-and (N 20) is used to heat vegetable oil on the shell side using hot water on tethat side. is Lp- 3.0 m). Each copper tube has dimensions of 15.56-mm ID and 19.05-...
PROBLEM #3 (30 points) A shell-and (N 20) is used to heat vegetable oil on the shell side using hot water on tethat side. is Lp- 3.0 m). Each copper tube has dimensions of 15.56-mm ID and 19.05-mm OD and thermal conductivity of copper is 390 W/m-K. Water at a total flow rate of 3.33 kg/s enters the tubes of the heat exchanger at 360 K and leaves at 300 K The inlet and outlet temperatures of oil are 290...
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...
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...
2.(40 pts.) A mixing chamber is used to heat liquid water to a saturated vapor by...
2.(40 pts.) A mixing chamber is used to heat liquid water to a saturated vapor by adding superheated steam. The liquid water enters through Line 1 at 1 MPa, a temperature of 100 C and a mass flow rate of 2 kg/s. The superheated steam enters through Line 2 at 1 MPa and 400°C. The combined stream exits through Line 3 as a saturated vapor at 1 MPa. The chamber also receives 3 MW of heat transferred from an external...
1. Exhaust gas at 400 C and 1 bar from i engines flows at the rate...
1. Exhaust gas at 400 C and 1 bar from i engines flows at the rate of 125 mol s into a waste-heat boiler where saturated steam in generated at a pressure of 1200 kPa. Water enters the boiler at 20 C (Ta) and the exhaust gases are cooled to within 10°C of the steam temperature. The heat capacity of the exhaust gases is C/R-3.341.12x10 T/K. The steam flows into an adiabatic turbine and exhausts at a pressure of 25...
The condenser of a large steam power plant is a heat exchanger in which steam is condensed to liquid water. Assume the condenser to be a shell-and-tube heat exchanger consisting of a single shell and 30,000 tubes, each executing two passes (see figure below). The tubes are of thin wall construction with D=25mm, and steam condenses on their outer surface with an associated convection coefficient ho=11,000W/ m K The heat transfer rate that must be effected by the heat exchanger...
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...
Problem 1. (30 points) A double-pipe heat exchanger is used to condense steam at 7370 N/m2. Water at an average bulk temperature of 10°C flows at 2.50 m/s through the inner pipe. which is made of copper and has a 2.54-cm ID and a 3.05-cm OD. Steam at its saturation temperature flows in the annulus formed between the outer surface of the inner pipe and an outer pipe of 5.08-cm-ID. The average heat transfer coefficient of the condensing steam is...
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...
PROBLEM #3 (30 points) A shell-and (N 20) is used to heat vegetable oil on the shell side using hot water on tethat side. is Lp- 3.0 m). Each copper tube has dimensions of 15.56-mm ID and 19.05-mm OD and thermal conductivity of copper is 390 W/m-K. Water at a total flow rate of 3.33 kg/s enters the tubes of the heat exchanger at 360 K and leaves at 300 K The inlet and outlet temperatures of oil are 290...
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...
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...
2.(40 pts.) A mixing chamber is used to heat liquid water to a saturated vapor by adding superheated steam. The liquid water enters through Line 1 at 1 MPa, a temperature of 100 C and a mass flow rate of 2 kg/s. The superheated steam enters through Line 2 at 1 MPa and 400°C. The combined stream exits through Line 3 as a saturated vapor at 1 MPa. The chamber also receives 3 MW of heat transferred from an external...
1. Exhaust gas at 400 C and 1 bar from i engines flows at the rate of 125 mol s into a waste-heat boiler where saturated steam in generated at a pressure of 1200 kPa. Water enters the boiler at 20 C (Ta) and the exhaust gases are cooled to within 10°C of the steam temperature. The heat capacity of the exhaust gases is C/R-3.341.12x10 T/K. The steam flows into an adiabatic turbine and exhausts at a pressure of 25...
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