In a manufacturing process, a transparent film is being bonded to a substrate as shown in the sketch. To cure the bond at a temperature To, a radiant source is used to provide a heat flux qő (W/m²) , all of which is absorbed at the bonded surface. The back of the substrate is maintained at T₁ while the free surface of the film is exposed to air at I and a convection heat transfer coefficient h. Air To h ↓ Lf Film Substrate 90 Ly= 0.25 mm k= 0.025 W/m-K L = 1.0 mm Bond, To k, = 0.05 W/m-K T₁ (a) Show the thermal circuit representing the steady-state heat transfer situation. Be sure to label all elements, nodes, and heat rates. Leave in symbolic form. (b) Assume the following conditions: T = 20°C, h = 50 W/m² K, and T₁ = 30°C. Calculate the heat flux d that is required to maintain the bonded surface at To = 60°C.

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
icon
Related questions
Question

Please show all step, not Ai generated.

In a manufacturing process, a transparent film is being bonded to a substrate as shown in the sketch. To cure the bond at a temperature To, a radiant source is used to provide a heat flux qő (W/m²)
all of which is absorbed at the bonded surface. The back of the substrate is maintained at T₁ while the free surface of the film is exposed to air at T and a convection heat transfer coefficient h.
Air
Too, h
Ls
Film
Substrate
90⁰
L₁= 0.25 mm
kf= 0.025 W/m-K
L₁ = 1.0 mm
Bond, To k = 0.05 W/m.K
T₁
(a) Show the thermal circuit representing the steady-state heat transfer situation. Be sure to label all elements, nodes, and heat rates. Leave in symbolic form.
.
(b) Assume the following conditions: T = 20°C, h = 50 W/m² K, and T₁ = 30°C. Calculate the heat flux d that is required to maintain the bonded surface at To = 60°C.
00
Transcribed Image Text:In a manufacturing process, a transparent film is being bonded to a substrate as shown in the sketch. To cure the bond at a temperature To, a radiant source is used to provide a heat flux qő (W/m²) all of which is absorbed at the bonded surface. The back of the substrate is maintained at T₁ while the free surface of the film is exposed to air at T and a convection heat transfer coefficient h. Air Too, h Ls Film Substrate 90⁰ L₁= 0.25 mm kf= 0.025 W/m-K L₁ = 1.0 mm Bond, To k = 0.05 W/m.K T₁ (a) Show the thermal circuit representing the steady-state heat transfer situation. Be sure to label all elements, nodes, and heat rates. Leave in symbolic form. . (b) Assume the following conditions: T = 20°C, h = 50 W/m² K, and T₁ = 30°C. Calculate the heat flux d that is required to maintain the bonded surface at To = 60°C. 00
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 12 images

Blurred answer
Knowledge Booster
Conduction
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.
Recommended textbooks for you
Elements Of Electromagnetics
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY