The components of a vertical circuit board, 150 mm on a side, dissipate 5 W. The back
Question:
The components of a vertical circuit board, 150 mm on a side, dissipate 5 W. The back surface is well insulated and the front surface is exposed to quiescent air at 27°C.
Assuming a uniform surface heat flux, what is the maximum temperature of the board? What is the temperature of the board for an isothermal surface condition?
Transcribed Image Text:
-Circuit board Quiescent air Component
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 64% (17 reviews)
KNOWN Vertical circuit board dissipating 5W to ambient air FIND a Maximum temperature of the board assuming uniform surface heat flux and b Temperatur...View the full answer
Answered By
PALASH JHANWAR
I am a Chartered Accountant with AIR 45 in CA - IPCC. I am a Merit Holder ( B.Com ). The following is my educational details.
PLEASE ACCESS MY RESUME FROM THE FOLLOWING LINK: https://drive.google.com/file/d/1hYR1uch-ff6MRC_cDB07K6VqY9kQ3SFL/view?usp=sharing
3.80+
3+ Reviews
10+ Question Solved
Related Book For
Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
Question Posted:
Students also viewed these Mechanical Engineering questions
-
What is a DBMS? Briefly describe the components of a DBMS.
-
The components of a vector V can be written (Vx, Vy, Vz). What are the components and length of a vector which is the sum of the two vectors, V1 and V2, whose components are (8.0, 3.7, 0.0) and...
-
The components of a vector A satisfy Ax < 0 and Ay < 0. Is the direction angle of A between 0 and 90, between 90 and 180, between 180 and 270, or between 270 and 360?
-
Ruby works in the treasury department of a large airline company. Over the coming months the airline company expects to increase flights as countries continue to ease travel restrictions. Ruby and...
-
Blair Company had total operating expenses of $180,000 in 2012, which included Depreciation Expense of $35,000. Also, during 2012, prepaid expenses increased by $9,000 and accrued expenses decreased...
-
Tom and Brent's Alpine Outfitters conducts an annual audit of its financial records. An internal control policy for the company is that a check can be issued only after the accounts payable manager...
-
Exercise 3.38 tells us that 206 of the 303 inductees to the Rock and Roll Hall of Fame have been performers. The data are given in Rock-and-Roll. Using all inductees as your population: (a) Use...
-
Consider the following three graphs, which illustrate the preferences of three consumers (Bob, Carol, and Ted) regarding two goods, apples and peaches. Each consumer has an income of $30, and each...
-
The one year interest rate over the next ten years will be: 5%, 6%, 7%, 8.5%, 9.5%, 10%, 10.5%, 11%, 12%, and 13%. Using the expectations theory, what will be the interest rates on a two -year bond,...
-
You are employed by McDowell and Partners, Chartered Accountants (M&P). A new client, Community Finance Corporation (CFC), approached M&P for assistance. Enviro Ltd. (Enviro) has asked CFC for a loan...
-
Determine the maximum allowable uniform heat flux that may be imposed at a wall heating panel 1 m high if the maximum temperature is not to exceed 37C when the ambient air temperature is 25C.
-
Circuit boards are mounted to interior vertical surfaces of a rectangular duct of height H = 400 mm and length L = 800 mm. Although the boards are cooled by forced convection heat transfer to air...
-
Describe at least three systematic errors that might occur while weighing a solid on an analytical balance.
-
When an entrepreneur is comfortable with uncertainty and willing to take risks, these are indicators of someone with a(n) ____________. (a) high tolerance for ambiguity (b) internal locus of control...
-
The role of the board of directors as an oversight body that holds top executives accountable for the success of business strategies is called ____________. (a) strategic leadership (b) corporate...
-
Better lower-level teamwork and more top-level strategic management are among the expected advantages of a ____________ structure. (a) divisional (b) matrix (c) geographical (d) product
-
In a CPM/PERT analysis the focus is on________ and the events that link them together with the finished project. (a) costs, budgets (b) activities, sequences (c) timetables, budgets (d) goals, costs
-
Tall organizations tend to have long chains of command and ____________ spans of control. (a) wide (b) narrow (c) informal (d) centralized
-
The data represent the number of driving fatalities for a certain area by age for male and female drivers. (a) What is the probability that a randomly selected driver fatality who was male was 16 to...
-
Perform the indicated operations. In designing a cam for a fire engine pump, the expression is used. Simplify this expression. (3) (3 4 32
-
An appliance is designed for use at 36 V and has a current draw of 1.5 A. Determine the power consumed in watts.
-
A vertical cylinder fitted with a piston contains 5 kg of R-22 at 10C. Heat is transferred to the system, causing the piston to rise until it reaches a set of stops at which point the volume has...
-
A piston/cylinder contains 1 kg of liquid water at 20C and 300 kPa. Initially the piston floats, similar to the setup in Problem 4.64, with a maximum enclosed volume of 0.002 m3 if the piston touches...
-
Refrigerant-12 is contained in a piston/cylinder arrangement at 2 MPa, 150C with a mass less piston against the stops, at which point V = 0.5 m3. The side above the piston is connected by an open...
-
Rundle Industries produces two electronic decoders, P and Q. Decoder P is more sophisticated and requires more programming and testing than does Decoder Q. Because of these product differences, the...
-
What financial statement, which can be reported with or separate from the income statement, includes income-related items that affect the balance sheet but are not included in net income?
-
Suppose that (an) satisfies an #0 Vn N and lim =r <1. an Prove that Clan converges and in particular an converges. (a) Show that there exists kEN such that for all nk we have lan+1 Sans where s= (b)...
Study smarter with the SolutionInn App