Hi，gays l want know the answer of problem 5.3，l just want check my
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Hi，gays l want know the answer of problem 5.3，l just want check my
answer.
Problem 52...
Hi, please help me with this problem, please explain me step by step and write with very good cal...
Hi, please help me with this problem, please explain me step by step and write with very good calligraphy. Solve the next problems: * Water is heated in a horizontal tube. Water enters at a rate of 6 lbm / s and 60 ° F and is heated to 300 ° F. The water flows through an aluminum tube of 3 in diameter. The pipe is heated by an electric resistance ratio of 405Btu / h per foot of pipe...
Water at m = 0.025 kg/s and Zn,i = 20°C enters an annular region formed by an inner tube of diame...
Water at m = 0.025 kg/s and Zn,i = 20°C enters an annular region formed by an inner tube of diameter D, = 20 mm and an outer tube of diameter Do-80 mm. Saturated steam flows through the inner tube, maintaining its surface at uniform temperature of T,i 100°C, while the outer surface of the outer tube is well insulated. If fully developed conditions may be assumed throughout the annulus, how long must the system be to provide an outlet...
Compute the heat transfer rate from the overall energy balance for the hotcold fluid. Do the...
Compute the heat transfer rate from the overall energy balance for the hotcold fluid. Do the numbers agree reasonably well? Explain any differences. Dimensions & Constants Inner pipe inside diameter, D,-8.1 mm (0.319 in), Inner pipe outside diameter, D,-9.525 mm (3/8), Wall thickness, tw 0.71 mm (0.028 in), Inner pipe material: 304 stainless steel, kw = 16.3 W /m-K (9.4 Btuft hop), Outer square-channel width-16 mm, Tube length- 410 mm (16.14 in) Experimental DLMX Data Set Flow Rates and Record...
Engine oil is heated by flowing through a circular tube of diameter D = 50 mm...
Engine oil is heated by flowing through a circular tube of diameter D = 50 mm and length L = 25 m and whose surface is maintained at 150 oC. The flow rate and inlet temperature of the oil are 0.5 kg/s and 20 oC. a. Estimate the outlet temperature Tm,o. B. Average Nusselt number C. Estimate the total heat transfer rate q for the tube.
the examinatiU to Heat Transfer" by Frank P. Incropera and Bavid F. Air entering a circular...
the examinatiU to Heat Transfer" by Frank P. Incropera and Bavid F. Air entering a circular stainless steel tube D 50 mm outside diameter by d 45 mm inside diameter by L 5 m long atTa 20 C is heated by saturated steam at T100 c through which the tube passes. The thermal conductivity of the stainless steel tube kss .. 16.3 w/m° ? and the heat transfer coefficient at the interface between the tube and the steam h. 5000...
An organic liquid is heated from 20°C to 40°C by hot water in a 1:1 pass...
An organic liquid is heated from 20°C to 40°C by hot water in a 1:1 pass shell-and- tube heat exchanger in counter-current flow. The inlet temperature of the water stream is 85oC and flows in the shell side. The organic liquid flows through a bundle of 200 tubes of outside diameter 21 mm with a wall thickness of 2 mm. The flows of the organic liquid and water are 40 kg s and 15 kg s1, respectively (a) Calculate the...
Q 5 please DC 28 29 Questions 28 5. A convergent nozzle has an inlet area...
Q 5 please
DC 28 29 Questions 28 5. A convergent nozzle has an inlet area of 100 mm2 and an exit area of 50 mm2. The fluid flowing through the nozzle is air, having a density of 1.2 kg/m3 and a velocity of 20 m/s at the inlet. If the density at the outlet is 0.18 kg/m3, calculate the mass flow rate and the outlet velocity 6. Water flows through a circular pipe A with a constant diameter of...
A concentric tube heat exchanger of length L = 2 m is used to thermally process...
A concentric tube heat exchanger of length L = 2 m is used to thermally process a pharmaceutical product flowing at a mean velocity of u_m,c = 0.1 m/s with an inlet temperature of T_c,i = 20 degree C. The inner tube of diameter D_i = 10 mm is thin walled, and the exterior of the outer tube (D_0 = 20 mm) is well insulated. Water flows in the annular region between the tubes at a mean velocity of u_m,h...
25 PRR HEAT TRANSFER NAME: UNIT SIX AND SEVEN EXCHANGERS BOILING AND CONDENSATION, He- Solve the following problems:...
25 PRR HEAT TRANSFER NAME: UNIT SIX AND SEVEN EXCHANGERS BOILING AND CONDENSATION, He- Solve the following problems: 1. In a gas-faired boiler, water is boiler at 150 C by hot gases flowing through 59 m long, 5 cm outer diameter mechanically polished stailess-stell pipes submerged in water, If the outer surface temperature of the pipes is 180 °C. determine (a) the rate of heat transfer from the hot gases to water. (b) the rate of evaporation, (c) the ratio...
he chiel engineer at a university that is constructing 1. large number of new student dormitories decides to insta...
he chiel engineer at a university that is constructing 1. large number of new student dormitories decides to install a counterflow concentric tube heat exchanger on each of the dormitory shower drains. The thin-walled copper drains are of diameter D 50 mm. Wastewater n the shower enters the heat exchanger at T-38 C while fresh water enters the dormitory at T 10°C. The 11.4 wastewater flows down the vertical wall of the drain in a thin, falling film, providing hi-...
Water at m = 0.025 kg/s and Zn,i = 20°C enters an annular region formed by an inner tube of diameter D, = 20 mm and an outer tube of diameter Do-80 mm. Saturated steam flows through the inner tube, maintaining its surface at uniform temperature of T,i 100°C, while the outer surface of the outer tube is well insulated. If fully developed conditions may be assumed throughout the annulus, how long must the system be to provide an outlet...
Compute the heat transfer rate from the overall energy balance for the hotcold fluid. Do the numbers agree reasonably well? Explain any differences. Dimensions & Constants Inner pipe inside diameter, D,-8.1 mm (0.319 in), Inner pipe outside diameter, D,-9.525 mm (3/8), Wall thickness, tw 0.71 mm (0.028 in), Inner pipe material: 304 stainless steel, kw = 16.3 W /m-K (9.4 Btuft hop), Outer square-channel width-16 mm, Tube length- 410 mm (16.14 in) Experimental DLMX Data Set Flow Rates and Record...
the examinatiU to Heat Transfer" by Frank P. Incropera and Bavid F. Air entering a circular stainless steel tube D 50 mm outside diameter by d 45 mm inside diameter by L 5 m long atTa 20 C is heated by saturated steam at T100 c through which the tube passes. The thermal conductivity of the stainless steel tube kss .. 16.3 w/m° ? and the heat transfer coefficient at the interface between the tube and the steam h. 5000...
An organic liquid is heated from 20°C to 40°C by hot water in a 1:1 pass shell-and- tube heat exchanger in counter-current flow. The inlet temperature of the water stream is 85oC and flows in the shell side. The organic liquid flows through a bundle of 200 tubes of outside diameter 21 mm with a wall thickness of 2 mm. The flows of the organic liquid and water are 40 kg s and 15 kg s1, respectively (a) Calculate the...
Q 5 please
DC 28 29 Questions 28 5. A convergent nozzle has an inlet area of 100 mm2 and an exit area of 50 mm2. The fluid flowing through the nozzle is air, having a density of 1.2 kg/m3 and a velocity of 20 m/s at the inlet. If the density at the outlet is 0.18 kg/m3, calculate the mass flow rate and the outlet velocity 6. Water flows through a circular pipe A with a constant diameter of...
A concentric tube heat exchanger of length L = 2 m is used to thermally process a pharmaceutical product flowing at a mean velocity of u_m,c = 0.1 m/s with an inlet temperature of T_c,i = 20 degree C. The inner tube of diameter D_i = 10 mm is thin walled, and the exterior of the outer tube (D_0 = 20 mm) is well insulated. Water flows in the annular region between the tubes at a mean velocity of u_m,h...
25 PRR HEAT TRANSFER NAME: UNIT SIX AND SEVEN EXCHANGERS BOILING AND CONDENSATION, He- Solve the following problems: 1. In a gas-faired boiler, water is boiler at 150 C by hot gases flowing through 59 m long, 5 cm outer diameter mechanically polished stailess-stell pipes submerged in water, If the outer surface temperature of the pipes is 180 °C. determine (a) the rate of heat transfer from the hot gases to water. (b) the rate of evaporation, (c) the ratio...
he chiel engineer at a university that is constructing 1. large number of new student dormitories decides to install a counterflow concentric tube heat exchanger on each of the dormitory shower drains. The thin-walled copper drains are of diameter D 50 mm. Wastewater n the shower enters the heat exchanger at T-38 C while fresh water enters the dormitory at T 10°C. The 11.4 wastewater flows down the vertical wall of the drain in a thin, falling film, providing hi-...
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