13.22 A tubular heater with a black inner surface of uniformtemperature T, = 1000 K irradiates a coaxial disk.– InsulationDiskHeater surface, T,D2 = 100 mmD = 50 mm-L2 = 100 mm L, = 100 mm(a) Determine the radiant power from the heater,which is incident on the disk, q,→1- What is theirradiation on the disk, G,?|(b) For disk diameters of D, = 25, 50, and 100 mm,plot q,--1 and G, as a function of the separationdistance L, for 0

Answered: Image /qna-images/answer/39de3a4b-2926-486e-9446-68b65cbdcd51.jpg

Answered: (a) Determine the radiant power from…

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

Similar questions

A vertical window receiver in a passive heating system is 1.5 m high and 6.0 m long; the window sill (bottom of the window) is 1.5 m above the ground. There is deployed in front of it a horizontal, diffuse reflector of the same length extending out 2.0 m from the window wall. What is the view factor from the: reflector to the window the window to the reflector the window to the ground beyond the reflector.
Please explain with steps.
Do 2,3
2 parts ( C&D) Read and solve carefully please write clearly and box the final answer(s) label them Hint: Pay attention to numbers bolded
1) The spectral, hemispherical absorptivity of an opaque surface and the spectral irradiation at the surface are as shown. d' 1.0 G₂ (W/m².um) 500 0.2 0 0 0 2 4 6 8 10 12 14 16 0 2 4 6 8 10 12 14 16 λ(μm) λ(μm) a) How does the spectral, hemispherical reflectivity vary with wavelength? b) What is the total, hemispherical absorptivity of the surface? c) If the surface is initially at 500 K and has a total, hemispherical emissivity of 0.8, how will its temperature change upon exposure to the irradiation?
Calculate the total radiation of a vertical surface at 2:30 pm in Bandar Baru Bangi [please use:(BBB) Longitude = 101° 48’ E, Latitude =2 ° 56’ N ) facing N60 °W on 21st Dec. In front of the surface is the swimming pool. Assume : reflected swimming pool factor, r=0.30 and Gth= 500 Btu/hr.ft2
Calculate the absorbed irradiation by the surface in W/m2
3. A star has a surface temperature of 5,500K. Determine the radiative heat transfer received by planet Z in Petawatts with diameter of 2100 km, temperature of surface of 300K and mean absorptivity of 0.8. Radiative energy loss due to radiation dispersion on outer space is 99%.
consider a 1m by 1m blackbody surface at ts = 300k. determine the blackbody emissive power. determine the total intensity. determine the radiosity. if the plane size is 100E-6m can you use the black body concept?
An opaque surface has the spectral, hemispherical reflectivity distribution as shown below. The surface receives the spectral irradiation shown below. A. Determine the total irradiation on the surfaceB. Determine the radiant flux that is absorbed by the surface
6.4 Two large diffuse parallel plates are maintained at temperatures T₁ = 1400 K and T₂ = 700 K. The plates are made from the same metal, and their spectral emissivities as a function of wavelength, &, are approximated as shown by two constant values joined by a linear decrease with wavelength. Compute the net radiant energy flux being transferred from plate 1 to plate 2. What is the energy flux if both plates are assumed gray with an approximate average emissiv- ity of 0.5 applied over the entire spectral range? 91 T₁ = 1400 K, Ex T₂ = 700 K, EX 92-91 0.85 Ex 0.15 0 Answer: q₁106,850 W/m²; 91.gray = 68,070 W/m². 2 λ (μm) 7
A 5 mm-thick steel firewall is suddenly exposed to a radiant heat source that can be approximated as a blackbody at 1000K. How long will it take for the surface to reach 500 K if the initial temperature of the wall is 300K?

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS

(a) Determine the radiant power from the heater, which is incident on the disk, q,1- What is the irradiation on the disk, G,?