Two parallel, aligned, black, rectangular plates (1 mx 2 m) spaced 1 m apart are located in a large room (node 3) whose walls are maintained at 300 K. One of the plates (node 1) is maintained at a uniform temperature of 800 K, while the backside of the second plate (node 2) is well insulated

Two parallel, aligned, black, rectangular plates (1 mx 2 m) spaced 1 m apart are located in a large room (node 3) whose walls are maintained at 300 K. One of the plates (node 1) is maintained at a uniform temperature of 800 K, while the backside of the second plate (node 2) is well insulated

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter11: Heat Transfer By Radiation

Section: Chapter Questions

Problem 11.35P

See similar textbooks

Related questions

Q: #1) FIND REACTIONS & DRAW THE SHEAR & MOMENT DIAGRAMS FOR THE BEAM SHOWN 2 K/FT 120 к √B D…

A: Given: A uniform distributed load of w=2 k/ft acting for 10 ft from left end and A point load of…

Q: Find the residual forces acting in a truss with members AC=1000N (T), EG=520N (T), and FH= 1200N (C)…

A: Given AC=1000 N (Tensile) EG= 520 N (Tensile) FH =1200 N (Compression)

Q: Figure Q3 shows stainless steel shaft consists of solid 40 mm diameter section (1), 30 mm diameter…

Q: A 0.5-m³ rigid tank contains nitrogen gas at 600 kPa and 300 R. Now the gas is compressed The work…

A: Given:Initial volume of the tank, Vi=0.5 m3Initial Pressure of the gas, Pi=600 kPaInitial…

Q: Question 4 The gearing of a machine tool is shown in Figure 4.1. The motor shaft is connected to…

Q: Four masses A, B, C and D equally spaced along a shaft revolve at equal radii. The mass of B is 7…

A: Given Data: Mass of B, mB=7 Kg

Q: With respect to flange-gasket-bolt/nut system following specifications are given. If the Gasket is…

A: Given: The outside diameter of shell, Ds = 90 cm The shell thickness, t = 8 mm = 0.8 cm The…

Q: Determine the torque applied to the shaft of gear A when the acceleration of gear B is 25.5 rad/s^2…

A: Given, Angular acceleration of gear B = 25.5 rad/s2. Mass of gear A , ma = 20 kg Radius of…

Q: Coal has the following ultimate analysis: C=73.71%, H=1.78%, O=1.43%, N=1.69%, S-4.74%, and the…

Q: The state of stress at a point is shown on the element. Determine (a) the principal stress and (b)…

A: (a) Write stresses that are shown in the element. σx=240 MPaσy=100 MPaτxy=80 MPa

Q: Nowadays it is very important to reduce one's carbon "footprint" (how much carbon we produce in our…

A: Given: Initial cost - $2200 Reduce energy bill by = $315 To find: (a) What is the annual IRR of this…

Q: PUB mat 12' 8¹ 12 C12 E 600 lb E 12 1000 lb FIG. 3 8' G 129 800 lb रायपोय

A: Use the method of sections to determine the force in members BD, BE, DE, EF, and EG of the loaded…

Q: A 200-mm lever AB and a 240-mm-diameter pulley are welded to the axle BE, which is supported by…

Q: The device in the figure below is an oil well pump. Link number is shown on the figure. L1=4m;…

A: A kinematic diagram or kinematic scheme in mechanical engineering, also known as a joint map or…

Q: 15) Consider a soccer player kicking a stationary ball of mass m = 0.5 kg. The angle of release of…

A: (a)

Q: A screw jack having a 2 in double-thread Acme screw is used to raise a load of 6200 lb. A plain…

Q: flat belt is wrapped around a Ø2.00-inch pulley for 220°.Calculate the belt wrap in radians.

A: The angle of wrapped around a pulley,(θ)=220o Diameter of the pulley, (d) =2 in. Calculate the belt…

Q: Each of 2 gears in a mesh has 48 teeth and a module of 8 mm. The teeth are of 20°involute profile.…

A: Given Data: Number of teeth, ZN=48 Module, m=8 mm

Q: A plank 25 meters long is placed on rough inclined planes at an angle of 15 with the horizontal as…

A: For Find the value of x, 1). first apply force equilibrium eqn. along the plank and find relation…

Q: Electrical strain gauges were applied to a notched specimen to determine the stresses in the notch.…

A: Given:Strain along the x-axis, εx=0.0019Strain along the y-axis, εy=-0.00072

Q: 1.2. Trucks are used to convey mineral from a stockpile to the metallurgical plant along a level…

A: Given: The total mass of the truck, M = 25 tonne the rolling resistance, R = 240 N/tonne The engine…

Q: Problem 1: The assembly below will be used for each problem. Lengths, diameters, and materials are…

Q: For finding the moment of the force F about the x-axis, the position vector in the triple scalar…

A: Moment: The moment is the product of the applied force with perpendicular distance of force from the…

Q: the stress compressive. What would be the final temperature when heating starts at 20degC? The E of…

Q: A inch quadruple 16 the screw is rotating at

Q: Problem 3 The gear system shown below has a motor supplying 38 kW at 340 rpm to gear A. Assume the…

A: Given, Power supplied by motor = P = 38 kW = 38,000 W Rotational speed of gear A = NA = 340 rpm…

Q: magnitude of reaction force at joint C

A: Given; Magnitude of reaction force at joint C of the hinge-beam shown in figure:Where the load is…

Q: Member OAB in the figure below lies in one plane and has the shape of two quadrants of a circle.…

A: let an infinitesimal force P be applied at point B

Q: The heat is propagating through a stainless steel wall with thermal diffusivity of 6x10^(-6)m2/s. If…

A: Given Data The thermal diffusivity of the stainless steel is α=6×10-6 m2/s. The wall thickness is…

Q: If the wide-flange beam is subjected to a shear of V = 35 kN , determine the maximum shear stress in…

Q: In Figure 6(b), the rotating elements B, which weigh 1288 lb and have a radius gyration of k =…

A: Given: The weight of B, W = 1288 lb The weight of A, w = 2.78 lb The radius of gyration, k = 2.5 ft…

Q: 1)Consider a material with K, = 50 MPa.m/2. Assume that the geometry factor Y is equal to 1. In the…

A: The critical stress for cracked specimen is to be investigated. Following formula is used for the…

Q: The yield strength, tensile strength and the modulus of elasticity of the steel bar are 327MPa,…

A: To find: The original length of the bar. Given: The final length of the bar is lf=1.6 m. The yield…

Q: A 9-cm-diameter horizontal water jet strikes a curved plate, which deflects the water 180° at the…

A: For solution refer below images.

Question

Please explain with steps.

Example 3
Two parallel, aligned, black, rectangular plates (1 m x 2 m) spaced 1 m apart are located in a large
room (node 3) whose walls are maintained at 300 K. One of the plates (node 1) is maintained at a
uniform temperature of 800 K, while the backside of the second plate (node 2) is well insulated
(a) Compute the view factors F₁2 and F₁3?
12
(b) Draw the radiation network for this problem
(c) What is the temperature of the insulated plate)?

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Step 1

Step 2: Step 2

Step 3: Step 3

Solution

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 1 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

Two large parallel plates with surface conditions approximating those of a blackbody are maintained at 816C and 260C, respectively. Determine the rate of heat transfer by radiation between the plates in W/m2 and the radiative heat transfer coefficient in W/m2K.
11.31 A large slab of steel 0.1 m thick contains a 0.1 -m-di- ameter circular hole whose axis is normal to the surface. Considering the sides of the hole to be black, specify the rate of radiative heat loss from the hole. The plate is at 811 K, and the surroundings are at 300 K.
A long wire 0.7 mm in diameter with an emissivity of 0.9 is placed in a large quiescent air space at 270 K. If the wire is at 800 K, calculate the net rate of heat loss. Discuss your assumptions.
Please explain with steps.
Radiation heat transfer Example: Q1: A large slab of steel 0.1 m thick has in it a 0.1 m-diam hole, with axis normal to the surface. Considering the sides of the hole to be black, specify the rate of radiative heat loss from the hole in W. The plate is at 811 K, the surroundings are at 300 K. A₁ T₁ = 811 k -D=0.1 m- A₂ A3 Hole T S=0.1 m
Q4(a) Explain how the emissive power of real body is estimated. (b) A black body in vacuum emits maximum radiation at wavelength 0.6x10° m. Estimate the : (i) Surface temperature (ii)Monochromatic emissive power (iii)Total Emissive power. (c) A two layer wall is to be constructed having dimensions 2.5m (width ) by 3.5 m (height). The wall is constructed of one layer of common brick( k=0.72 W/m °C) of thickness 22 cm and one layer of cement(k=1.4 W/m °C) of thickness 6 cm. The inner surface of the wall is maintained at 25°C while the outer surface is exposed to outdoors at 11°C with a combined convection and radiation heat transfer cofficient of 20 W/m? °C. (1)Determine the rate of heat transfer through the wall. (ii)Estimate the temperature drops across the brick, cement and surface ambient air.
Please explain with steps.
A flat, circular silicon wafer is uniformly heated by a flat, circular surface located above it. Thewafer’s back side is perfectly insulated, and the heating occurs in vacuum. The power supplied tothe hemispherical surface is 10 kW. Assume that all surfaces are gray, diffuse, and opaque, and thatsteady state exists. The view factor between the heater and the wafer, F13=0.1716.a) Draw the radiation network for this configuration.b) Determine F12.c) Determine the temperature of the heater surface.d) Determine the temperature of the wafer.
Two concentric spheres of diameter Dj = 0.8 mand D2 T1 = 400 K and T2 = 300 K. = 1.2 m are separated by an air space and have surface temperatures of (a) If the surfaces are black, what is the net rate of radiation exchange between the spheres, in W? 912 i (b) What is the net rate of radiation exchange between the surfaces if they are diffuse and gray with e = 0.5 and e2 = 0.05, in W? 912 i w (c) What is the net rate of radiation exchange if D2 is increased to 20 m, with &2 = 0.05, ɛ 1 = 0.5, and Di = 0.8 m, in W? 912 w = 1.0) and with ej = 0.5, D2 = 20 m, (d) What is the net rate of radiation exchange if the larger sphere behaves as a black body (82 and Di = 0.8 m, in W? 912 = i W
Two concentric spheres of diameter D1 of T1 = 390 Kand T, = 300 K. = 0.7 m and D2 = 1.2 mare separated by an air space and have surface temperatures (a) If the surfaces are black, what is the net rate of radiation exchange between the spheres, in W? 912 w (b) What is the net rate of radiation exchange between the surfaces if they are diffuse and gray with & = 0.5 and &2 = 0.05, in W? 912 (c) What is the net rate of radiation exchange if D2 is increased to 20 m, with ez = 0.05, e1 = 0.5, and Di = 0.7 m, in w? 412 = (d) What is the net rate of radiation exchange if the larger sphere behaves as a black body (82 = 1.0) and with ej = 0.5, D2 = 20 m, and Di = 0.7 m, in W? i w 912 = Physical Properties Mathematical Functions
An uninsulated steam pipe passes through a room in which the air and walls are at 25°C. The tube's outer diameter is 70 mm and its surface temperature and emissivity are 200°C and 0.8, respectively. Determine the surface emissive power and the irradiation. If the coefficient associated with the natural convection of surface heat transfer to air is 15 W/m².K, what will be the heat transfer rate per unit length of pipe?
answers are given so please do not post if incorrect i will thumbs down