A printed circuit board with an area of 0.3x0.2 has a heat loss of 100 w from one side to the other side, a fan with a flow direction parallel to the longest dimension of the board and a flow velocity of 12 m / s is used to cool this circuit board through the equation giving the average Nusselt number 30 Calculate the surface temperature of the circuit board for 20 ° C air temperature.
A printed circuit board with an area of 0.3x0.2 has a heat loss of 100 w from one side to the other side, a fan with a flow direction parallel to the longest dimension of the board and a flow velocity of 12 m / s is used to cool this circuit board through the equation giving the average Nusselt number 30 Calculate the surface temperature of the circuit board for 20 ° C air temperature.
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
Related questions
Question
A printed circuit board with an area of 0.3x0.2 has a heat loss of 100 w from one side to the other side, a fan with a flow direction parallel to the longest dimension of the board and a flow velocity of 12 m / s is used to cool this circuit board through the equation giving the average Nusselt number 30 Calculate the surface temperature of the circuit board for 20 ° C air temperature.
Transcribed Image Text:cp=I K3/kg.k , k=0,03 wlmik H - 2.40kg /mis
%3D
H 0,2M
%3D
100m
Too =
30 'C
W-0,3m
ambiend pressure- bar
287 3/とg、と
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
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.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