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P15) Methane gas at 20°C is to be preheated in a heat exchanger consisting of a...
A bank of tubes is made of copper tubes. There are 20 rows of tubes in...
A bank of tubes is made of copper tubes. There are 20 rows of tubes in the flow direction set in staggered fashion with 15 cm longitudinal spacing and 10 cm transferred spacing. Each raw consist of 15 tubes, 1.5 m long. This bank is used to condense saturated steam at 120 °C, which passes through 2 ½ SCH 40 tubes. The steam heat transfer coefficient is 10000 W/m2.K. Water at 10 °C and 0.15 m/s is supplied to flow...
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....
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...
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 15, S-cm ID thin-wall copper tubes, each 10-em long between the tube sheets. Calculate the steam condensation heat transfer coefficient for the tubes of this exchanger Calculate the rate of exchanger (10) a. vapor generation (kg/sec), m, in the tubes of this (10) a. 400 k 帛? 40...
A shell and tube heat exchanger with one shell pass and two tube passes is used...
A shell and tube heat exchanger with one shell pass and two tube passes is used to heat 8.82 kg/s of fluid from 15.6 °C to 60 °C by using saturated steam at 150 kPa. The steam is condensing on the outside of the tubes with h= 15 kW/m2.K. There are 50 tubes with an outside diameter of 1.91 cm and a wall thickness of 0.211 cm. If the fouling coefficient on the inside of the tubes is 5678 W/m2.K,...
heat transfer Test Yourself A Shell-and-tube heat exchanger, consisting of a single shell and 30.000 tubes,...
heat transfer
Test Yourself A Shell-and-tube heat exchanger, consisting of a single shell and 30.000 tubes, each executing two passes, is used in a large steam power plant to condense steam to liquid water. The steam condensed in the shell side of the heat exchanger with an associated convection coefficient (h) of 11.000 W/m2.°C. The heat transfer rate through the heat exchanger (O is 2x10' W. Cooling water is passing through a thin tubes with D = 2.5 cm, at...
QUESTION 3 Air at atmospheric pressure flows with an inlet velocity of 1 m/s across a...
QUESTION 3 Air at atmospheric pressure flows with an inlet velocity of 1 m/s across a bank of tubes 10 rows deep in the direction of flow. The tubes have an outside diameter of 10 mm and are arranged in a staggered manner with a longitudinal pitch of Si-15 mm and a transverse pitch of ST- 15 mm. The surface temperature of the tubes is maintained at 77°C by hot water flowing in the tubes. Determine the mean heat transfer...
1) Air at 15.6°C and 1 atm abs flows across a bank tube consisting of total 10 tubes of 30-mm out...
please answer this as soon as possible
1) Air at 15.6°C and 1 atm abs flows across a bank tube consisting of total 10 tubes of 30-mm outside diameter in a staggered manner consisting of 3 transverse rows in the direction of flow and 4 rows normal to the flow as exactly shown in the below picture. The velocity of the air as approaching the bank of the tubes is 5 m/s. The tube surfaces are maintained at 50°C. The...
1 points QUESTION 13 Air is to be heated by passing it over a bank of...
1 points QUESTION 13 Air is to be heated by passing it over a bank of 3-m-long tubes inside which steam is condensing at 100 C. Air approaches the tube bank in the normal drection at 20 C and 1 atm with a mean velocity of 5.2 m/s. The outer diameter of the tubes is 1.6 cm, and the tubes are arranged staggered with longitudinal and transverse pitches of SL ST 4 cm. There are 20 ows in the flow...
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...
An aligned tube bank is constructed of 2.5-cm-diameter tubes with 15 rows of tubes with 7 tubes in each row. The tubes are maintained at 90°C, and atmospheric air is blown across them at 20°C and...
An aligned tube bank is constructed of 2.5-cm-diameter tubes with 15 rows of tubes with 7 tubes in each row. The tubes are maintained at 90°C, and atmospheric air is blown across them at 20°C and u00-12 m/s. The arrangement has S 3.75 cm and SL = 5.0 cm. Calculate (a) the heat transfer from the tube bank per meter of length, and (b) the air- side pressure dropkP
An aligned tube bank is constructed of 2.5-cm-diameter tubes with 15...
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 15, S-cm ID thin-wall copper tubes, each 10-em long between the tube sheets. Calculate the steam condensation heat transfer coefficient for the tubes of this exchanger Calculate the rate of exchanger (10) a. vapor generation (kg/sec), m, in the tubes of this (10) a. 400 k 帛? 40...
A shell and tube heat exchanger with one shell pass and two tube passes is used to heat 8.82 kg/s of fluid from 15.6 °C to 60 °C by using saturated steam at 150 kPa. The steam is condensing on the outside of the tubes with h= 15 kW/m2.K. There are 50 tubes with an outside diameter of 1.91 cm and a wall thickness of 0.211 cm. If the fouling coefficient on the inside of the tubes is 5678 W/m2.K,...
heat transfer
Test Yourself A Shell-and-tube heat exchanger, consisting of a single shell and 30.000 tubes, each executing two passes, is used in a large steam power plant to condense steam to liquid water. The steam condensed in the shell side of the heat exchanger with an associated convection coefficient (h) of 11.000 W/m2.°C. The heat transfer rate through the heat exchanger (O is 2x10' W. Cooling water is passing through a thin tubes with D = 2.5 cm, at...
QUESTION 3 Air at atmospheric pressure flows with an inlet velocity of 1 m/s across a bank of tubes 10 rows deep in the direction of flow. The tubes have an outside diameter of 10 mm and are arranged in a staggered manner with a longitudinal pitch of Si-15 mm and a transverse pitch of ST- 15 mm. The surface temperature of the tubes is maintained at 77°C by hot water flowing in the tubes. Determine the mean heat transfer...
please answer this as soon as possible
1) Air at 15.6°C and 1 atm abs flows across a bank tube consisting of total 10 tubes of 30-mm outside diameter in a staggered manner consisting of 3 transverse rows in the direction of flow and 4 rows normal to the flow as exactly shown in the below picture. The velocity of the air as approaching the bank of the tubes is 5 m/s. The tube surfaces are maintained at 50°C. The...
1 points QUESTION 13 Air is to be heated by passing it over a bank of 3-m-long tubes inside which steam is condensing at 100 C. Air approaches the tube bank in the normal drection at 20 C and 1 atm with a mean velocity of 5.2 m/s. The outer diameter of the tubes is 1.6 cm, and the tubes are arranged staggered with longitudinal and transverse pitches of SL ST 4 cm. There are 20 ows in the flow...
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...
An aligned tube bank is constructed of 2.5-cm-diameter tubes with 15 rows of tubes with 7 tubes in each row. The tubes are maintained at 90°C, and atmospheric air is blown across them at 20°C and u00-12 m/s. The arrangement has S 3.75 cm and SL = 5.0 cm. Calculate (a) the heat transfer from the tube bank per meter of length, and (b) the air- side pressure dropkP
An aligned tube bank is constructed of 2.5-cm-diameter tubes with 15...
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