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I. Steam at 220°C İs transported through an AISI 101 0 carbon steel pipe. The inside...
Steam at 150 °C flows in a stainless steel pipe which has a thermal conductivity of...
Steam at 150 °C flows in a stainless steel pipe which has a thermal conductivity of 16 W m-1 K -1 whose inner and outer diameters are 5 and 6 cm respectively. The pipe is covered with 3 cm think insulation having a thermal conductivity of 0.035 W m-1 K -1 . The combined convection and radiation heat transfer coefficient at the outside surface of the insulation is 20 W m-2 K -1 and the surroundings are at 10 °C....
art II- Show your work 17 Marks team at 320°C flows in a stainless steel pipe...
art II- Show your work 17 Marks team at 320°C flows in a stainless steel pipe (kr 15 W/m "C) whose inner and outer diameters are 5 em and 5.5 cm, respectively. The pipe is covered with 3-cm-thick glass wool insulation (k 0.038 W m·°C). Heat is lost to the surroundings at 5°C by natural convection and radiation, with a combined natural convection and radiation heat transfer coefficient of hi-15 w/m.。C. The convective heat transfer coefficient inside the pipe to...
HW3.3. A cylindrical steel pipe is used to carry water steam with an averaged heat transfer...
HW3.3. A cylindrical steel pipe is used to carry water steam with an averaged heat transfer coefficient of h 150 W/m2-K at Ti- 100 °C. The steel pipe goes through the roof of a factory where the ambient temperature is 23°C (To), with a natural heat convection coefficient of 5 W/m2-K. The inner and outer diameters of the steel pipe are 2 cm and 2.2 cm, respectively, and thermal conductivity of the steep pipe is k, -20 W/m-K To prevent...
B Steam flows in a steel pipe, which is insulated by gypsum plaster. The inner and...
B Steam flows in a steel pipe, which is insulated by gypsum plaster. The inner and outer diameter of the pipe are 8 cm and 6 cm respectively with pipe length of 20-m. The thickness of gypsum plaster which wraps the pipe is 4 cm. The heat transfer coefficient of the inner pipe and outer insulation are 800 W/m2.°C and 200 W/m2.°C with inner pipe temperature of 200°C and outer insulator temperature of 10°C. The thermal conductivity of the pipe...
Problem 3 (30): Steam at Too,1 340 °C flows in a cast iron pipe [k- 80 W/m.°C] whose inner and outer diameter are Di 6 cm and D2 -8 cm, respectively. The pipe is covered with a 4-cm thick glass wool...
Problem 3 (30): Steam at Too,1 340 °C flows in a cast iron pipe [k- 80 W/m.°C] whose inner and outer diameter are Di 6 cm and D2 -8 cm, respectively. The pipe is covered with a 4-cm thick glass wool insulation [k-0.05 W/ m°C]. Heat is lost to the surroundings at Too,2 - 21°C by natural convection and radiation, with a combined heat transfer coefficient of h- 18 W/m2 °C. Taking the heat transfer coefficient inside the pipe to...
please solve without copying solutions from this website ..give a clear solution Example 3 Steam at...
please solve without copying solutions from this website
..give a clear solution
Example 3 Steam at T1320°C flows in a cast iron pipe (k 80 W/m.K) whose inner and outer diameters are D1 = 5 cm and D2 = 5.5 cm, respectively. The pipe is covered with 3- cm-thick glass wool insulation with k = 0.05 W/m.K. Heat is lost to the surroundings at T5°C by natural convection and radiation with a combined heat transfer coefficient of h2 18 W/m2.K....
Problem 1. Steam at 120°C is transported in a long 8" outer diameter pipe. Its outer surface is c...
Problem 1. Steam at 120°C is transported in a long 8" outer diameter pipe. Its outer surface is covered with a 1" thick fiberglass (thermal conductivity, 0.05 W/(mK)) insulation. When the outer temperature is 0°C, the rate of condensation of steam is measured to equal 0.06 g per meter of the pipe length. Estimate the heat transfer coefficient. The heat of vaporization of the steam is 2600 J/g. The resistance to the heat transfer through the pipe wall may be...
Consider a pipe consisting of two layers: Consider a pipe consisting of two layers: • an...
Consider a pipe consisting of two layers:
Consider a pipe consisting of two layers: • an inner layer of AISI 1010 steel with thickness 2 cm, and • an outer layer of insulation (k = 0.034 W/(m · K)) with thickness 4 cm The pipe's contents keep the inner surface at a constant temperature of 120 °C, while the outside experiences convection with overall convection coefficient h 30 W/(m²K) to the surroundings at T = 25°C. The pipe's inner diameter...
a 0.4 m diameter, thin walled steel pipe is used to transport saturated steam Problem 3.049...
a 0.4 m diameter, thin walled steel pipe is used to transport
saturated steam
Problem 3.049 A 0.4-m-diameter, thin-walled steel pipe is used to transport saturated steam at a pressure of 20 bars in a room for which the air temperature is 25°C and the convection heat transfer coefficient at the outer surface of the pipe is 20 W/m2-K. (a) What is the heat loss per unit length from the bare pipe (no insulation)? (b) Estimate the heat loss per...
1. A ¾ inch (nominal), Schedule 40, mild steel pipe carries 40 psia steam through a...
1. A ¾ inch (nominal), Schedule 40, mild steel pipe carries 40 psia steam through a room having an air temperature of 80°F. The pipe is covered with a 0.125 ft thick layer of fiberglass insulation having a thermal conductivity of 0.037 Btu/(h ft ‘F). The hi value on the steam side of the pipe is 1000 Btu/h ft2 °F. The ho value on the outside of the insulation is 2.0 Btu/(h ft2 ’F). For the mild steel, k=26Btu/(ft H...
art II- Show your work 17 Marks team at 320°C flows in a stainless steel pipe (kr 15 W/m "C) whose inner and outer diameters are 5 em and 5.5 cm, respectively. The pipe is covered with 3-cm-thick glass wool insulation (k 0.038 W m·°C). Heat is lost to the surroundings at 5°C by natural convection and radiation, with a combined natural convection and radiation heat transfer coefficient of hi-15 w/m.。C. The convective heat transfer coefficient inside the pipe to...
HW3.3. A cylindrical steel pipe is used to carry water steam with an averaged heat transfer coefficient of h 150 W/m2-K at Ti- 100 °C. The steel pipe goes through the roof of a factory where the ambient temperature is 23°C (To), with a natural heat convection coefficient of 5 W/m2-K. The inner and outer diameters of the steel pipe are 2 cm and 2.2 cm, respectively, and thermal conductivity of the steep pipe is k, -20 W/m-K To prevent...
B Steam flows in a steel pipe, which is insulated by gypsum plaster. The inner and outer diameter of the pipe are 8 cm and 6 cm respectively with pipe length of 20-m. The thickness of gypsum plaster which wraps the pipe is 4 cm. The heat transfer coefficient of the inner pipe and outer insulation are 800 W/m2.°C and 200 W/m2.°C with inner pipe temperature of 200°C and outer insulator temperature of 10°C. The thermal conductivity of the pipe...
Problem 3 (30): Steam at Too,1 340 °C flows in a cast iron pipe [k- 80 W/m.°C] whose inner and outer diameter are Di 6 cm and D2 -8 cm, respectively. The pipe is covered with a 4-cm thick glass wool insulation [k-0.05 W/ m°C]. Heat is lost to the surroundings at Too,2 - 21°C by natural convection and radiation, with a combined heat transfer coefficient of h- 18 W/m2 °C. Taking the heat transfer coefficient inside the pipe to...
please solve without copying solutions from this website
..give a clear solution
Example 3 Steam at T1320°C flows in a cast iron pipe (k 80 W/m.K) whose inner and outer diameters are D1 = 5 cm and D2 = 5.5 cm, respectively. The pipe is covered with 3- cm-thick glass wool insulation with k = 0.05 W/m.K. Heat is lost to the surroundings at T5°C by natural convection and radiation with a combined heat transfer coefficient of h2 18 W/m2.K....
Problem 1. Steam at 120°C is transported in a long 8" outer diameter pipe. Its outer surface is covered with a 1" thick fiberglass (thermal conductivity, 0.05 W/(mK)) insulation. When the outer temperature is 0°C, the rate of condensation of steam is measured to equal 0.06 g per meter of the pipe length. Estimate the heat transfer coefficient. The heat of vaporization of the steam is 2600 J/g. The resistance to the heat transfer through the pipe wall may be...
Consider a pipe consisting of two layers:
Consider a pipe consisting of two layers: • an inner layer of AISI 1010 steel with thickness 2 cm, and • an outer layer of insulation (k = 0.034 W/(m · K)) with thickness 4 cm The pipe's contents keep the inner surface at a constant temperature of 120 °C, while the outside experiences convection with overall convection coefficient h 30 W/(m²K) to the surroundings at T = 25°C. The pipe's inner diameter...
a 0.4 m diameter, thin walled steel pipe is used to transport
saturated steam
Problem 3.049 A 0.4-m-diameter, thin-walled steel pipe is used to transport saturated steam at a pressure of 20 bars in a room for which the air temperature is 25°C and the convection heat transfer coefficient at the outer surface of the pipe is 20 W/m2-K. (a) What is the heat loss per unit length from the bare pipe (no insulation)? (b) Estimate the heat loss per...
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