A long pipe 5 cm in diameter passes through a room and is exposed to air at atmospheric pressure and temperature of 20.C. The pipe surface temperature is 93°C Assuming that the emissivity of the pipe is 0.6 calculate the radiation heat loss per meter of length of pipe

A long pipe 5 cm in diameter passes through a room and is exposed to air at atmospheric pressure and temperature of 20.C. The pipe surface temperature is 93°C Assuming that the emissivity of the pipe is 0.6 calculate the radiation heat loss per meter of length of pipe

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: A triangular duct whose surfaces are all black has a length of L=0.75 m. By considering the details…

Q: A solid sphere of radius R = 8.0 cm uniformly generates 5 × 10° W/m³ of heat within it. Surrounding…

Q: A very long semicylindrical furnace has a radius of 2 m. The curved top surface, whose emissivity is…

Q: A one-dimensional plane wall is exposed to convective and radiative conditions at x = 0. The ambient…

A: Given:The ambient temperature, T∞=20oC=20+273=293 KThe surrounding temperature, Tsur=40oC=40+273=313…

Q: A one-dimensional plane wall is exposed to convective and radiative conditions at x = 0. The ambient…

A: Given:The ambient temperature, T∞=20oC=20+273=293 KThe surrounding temperature, Tsur=40oC=40+273=313…

Q: A spherical ball of radius 0.62 m and surface temperature 554 oC is suspended vertically in a'very…

Q: You are designing an industrial furnace to keep sheet metal at a fixed temperature. You decide a…

A: It is asked to find the heat input per unit length

Q: A very long semicylindrical furnace has a radius of 2 m. The curved top surface, whose emissivity is…

A: Given data as per questionr=2mFor Top surfaceε1=0.75Q1A1=8000W/m2For Bottom…

Q: Consider a shed with an 8-ft×12-ft base and 4-ft height. The temperature of the outer surface of the…

A: Given DataTi=?To=20+273=293KTo1=273+0=273KA=8×12 ft2dx=4ft

Q: A circular grill of diameter 0.35 m and emissivity 0.7 is maintained at a constant surface…

Q: inner surface of each wall is 32oC while the room air temperature is maintained at 24oC. The rate of…

Q: The small horizontal metal tube with an OD of 0.05 m, 0.1 m long, and with a surface temperature of…

Q: ne-dimensional plane wall is exposed to convective and radiative conditions at x = 0. The ambient…

A: To given that Ambient temperture,T∞=20°C=293KSurrounding temperture,TSUR=40°C=313KConvection heat…

Q: A house located in the south of the country was built using windows doubles to reduce heat loss to…

A: Note: As per policy, we can solve first three subparts. Please resubmit the remaining subparts.

Q: Consider a 1 m high rectangular closed space with two surfaces separated by an air gap of 0.125 m…

Q: sider a shed with an 8-ftx12-ft base and 4-ft height. The temperature of the outer surface of th and…

Q: Question(2): The ceiling outer surface temperature of an oven is 60°C. If the oven is in an…

Q: Driving force for the free convection is Shear stress forces Buoyancy forces None of the above…

A: This question is from heat transfer.

Q: A 4.0-cm-diameter sphere is heated to a temperature of 200°C and is enclosed in a large room at 20…

A: Given data diameter o sphere (d) = 4 cm =0.04 m temperature of sphere(T1) = 200°C = 200+273 =473k…

Q: You went to Target to buy some masks. As you walk up to the store, you notice the huge red balls in…

A: Given:Ts=17°CT∞=22.5°Cd=1 mQ=6.6 W

Q: A triangular duct whose surfaces are all black has a length of L=0.75 m. By considering the details…

Q: Consider a shed with an 8-ftx12-ft base and 4-ft height. The temperature of the outer surface of the…

A: Write the expression of rate of heat loss from the building.…

Q: 3. Consider a hot automotive engine, which can be approximated as a 0.6 m high, 0.3 m wide, and 0.9…

Q: An aluminum alloy (2024) plate, heated to a uniform temperature of Ti = 230°C, is allowed to cool…

A: Given that, Temperature of aluminum, Ti=230 °C,Ambient air, Tair=T∞=29 °C,Thickness of plate, t=16…

Q: A solar collector consists of a long duct through side consists of a glass cover of emissivity &₁ =…

Q: . Natural Convection Heat Loss in Double Window. A vertical double plate-glass window has an…

A: Given data:Temperature of one side of window T1 = 25°CTemperature of other side of window T2 = 10°C

Q: You are designing an industrial furnace to keep sheet metal at a fixed temperature. You decide a…

A: It is asked to find the heat input per unit length

Q: Q.4 Determine radiation heat loss from a steel tube of outside diameter 60 mm and 5m long at a…

A: Data given- D = 60 mm = 0.06 m L = 5 m T1 = 327+273 = 600 K T2 = 25 +273 = 298 K ε1 = 0.8 ε2 =…

Q: A wet towel (a=75 cm wide, b=1.5 m long) hangs on a cloths line under conditions for which one towel…

A: Given T∞=300 Kh=20 W/m2Kq∞=0From an energy balance on the towel its follow that αsQs+2αskyQsky…

Q: Spacecraft must be cooled via radiative mechanisms, and one means of doing this is by using…

A: To Find : The temperature profile with in rod. Given : The perimeter is Pd The base temperature is…

Q: Determine radiation heat loss from a steel tube of outside diameter 60 mm and 5m long at a…

Q: An engineer proposes to decrease the gap between the windows of double pane window to decrease heat…

A: The air present inside the glass offers resistance to the radiation and conduction heat transfer.

Q: Determine the heat flow between the roof and floor of 4 × 3 m size of a furnace of 4 m × 4 m × 3m…

Q: A limited amount of water in a container is subjected to 5 W/m2K convection condition as the sky…

A: radiation heat transfer In general, the radiation heat transfer from one surface to another is the…

Q: An aluminum alloy (2024) plate, heated to a uniform temperature of Ti = 231°C, is allowed to cool…

Q: 19. A right circular cylinder has a height of 1 m and diameter of 75 cm. Find the view factor for…

Q: Space is considered a perfect black body with T= - 70 celsius Air Does not absorb heat radiation…

A: To Find:heat transport by radiation from the water in the bowl to space at initial conditions.net…

Q: 3. An electric immersion heater, 10 mm in diameter and 300 mm long, is rated at 550 W. The…

A: The answer is provided below.

Q: To improve indoor air quality, an Edinburgh pub has installed a vertical glass screen to cover the…

Q: QUESTION 4: NATURAL CONVECTION Two concentric spheres with diameters D₁ = 60 mm and Do = 100 mm are…

A: The process of transfer of heat which happens due to the movement of the fluid particles by means of…

Q: You can neglect radiation at the bottom of the plate; the bottom side of the plate has water flowing…

A: The answer is attached below; please check. Explanation:Step 1:Step 2:Please rate my work.

Concept explainers

Radiation

Radiation can be described as the energy in the form of a particular matter or electromagnetic waves traveling in the air and can be in the form of light, sound, and heat. Radiation can be detected through special instruments like X-rays. The radiation from a cooler object is less intense as compared to the radiation from hot objects.

Question

A long pipe 5 cm in diameter passes
through a room and is exposed to air at
atmospheric pressure and temperature
of 20.C. The pipe surface temperature
is 93°C Assuming that the emissivity of
the pipe is 0.6 calculate the radiation
heat loss per meter of length of pipe

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A square array of 2 cm diameter pipes consists of 64 pipes, each 80 cm long. The pipe surface temperature is 97 °C and is exposed to water vapor at 1 atm.Calculate the amount of condensed water in kg/hour
heat transfer
Using a polynomial equation solver, determine the steady-state surface temperature (Ts) of the passive radiative cooler below that is exposed to a windy convective enviroment h=40 W/m2*K and T∞= 25°C. The surrounding atmosphere is fixed at Tsur= 10°C. Set up the energy balance/conservation equation.
Explain why convection happens more often in gases and liquids than solids.
Consider a cylindrical tank with a surface temperature of 44°C which contains water. The height of the tank is 1.1 m and its diameter is 0.4 m. The tank is in a room at 20°C. If the surrounding temperature is also at 20°C, calculate the total rate of heat transfer from all surfaces of the tank by natural convection and radiation. Consider the emissivity to be 0.4. Assumptions: 1 Steady operating conditions exist. 2 Air is an ideal gas. 3 The local atmospheric pressure is 1 atm. Note. Report your solution step by step and clearly.
Please check attach file
Consider a shed with an 8-ftx12-ft base and 4-ft height. The temperature of the outer surface of the roof and the walls of the shed is to be maintained at least 20°C on a quiescent night when outside temperature is 0°C and sky temperature is -15°C. What is the total heat loss heat loss from the building?Ignore the heat transfer through the ground. Assume the emissivity of the walls and roofs is 0.75.
A tube pipe is heated to a temperature of 150°C with an outside diameter of 12cm and it’s enclosed in a large room of 20°C. Calculate the radiant heat loss per unit length, if the surface emissivity is 0.65.
2. A heater is a thin vertical panel 1.0m long and 0.7m high and is used in a warehouse to keep workers warm. The heater has air circulating on each side. Assume the maximum temperature of the panel is 60°C (already above the board line that is safe for human hands to touch briefly without getting hurt). Assume the room air temperature is 18°C but the warehouse wall temperature is 5°C. Model the surface with an emittance of 0.9 and Vair = 1.57x105 m²/s. a. Determine the maximum power rating for the heater. b. Now if you run the heat by standing on its side (it will be 1.0 m high and 0.7 m long), determine the surface temperature. c. Compare case a and b and explain any differences you see.
Solve it correctly please. I will rate accordingly with 4votes but I need correct answer.
Complete answer thank you
A one-dimensional plane wall is exposed to convective and radiative conditions at x = 0. The ambient and surrounding temperatures are T. exposed surface is a = 0.78. Determine the convective and radiative heat fluxes to the wall at x = 0, both in W/m2, if the wall surface = 20°C and Tsur = 40°C, respectively. The convection heat transfer coefficient is h = 20 W/m²-K, and the absorptivity of the temperature is T, = 30°C. Assume the exposed wall surface is gray, and the surroundings are large. gbonv i W/m? Tad i W/m2