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Because of the large number of devices in today's PC chips, finned heat sinks are often used to maintain the chip at an acceptable operating temperature. Two fin designs are to be evaluated, both of which have base (unfinned) area dimensions of 53 mm X 57 mm. The fins are of square cross section and fabricated from an extruded aluminum alloy with a thermal conductivity of 175 W/m. K. Cooling air may be supplied at 25°C and the maximum allowable chip temperature is 75°C. Other features of the design and operating conditions are tabulated.
Determine which fin arrangement is superior. In your analysis calculate the heat rate, efficiency. and effectiveness of a single fin, as well as the total heat rate and overall efficiency of the array. Since real estate inside the computer enclosure is important, compare the total heat rate per unit volume for the two designs.
Can you find a number δ so that when | x -0|
What is the significance? Which statistical method(s) will be used when determing your zodiac sign? This only has to be a 2 page assignment and it can be double spaced.
1. Why can't the PM use the organization's current information system for project monitoring and reporting? 2. What does it mean to say that project monitoring and control are on the opposite sides of project selection and planning?
Problem 1: Let the original symbol duration T be 0.1msec and the number of subcarrier is 16 (k=0:15). Guard time TG for cyclic prefix is 0.02msec. The combined symbol period Ts becomes 0.12msec. Let the OFDM signal go though a time varying channel..
A piece of unpainted porous wood barely floats in a container partly filled with water. If the container is sealed and pressurized above atmospheric pressure, does the wood rise, fall, or remain at the same level?
1- compute the condition number of each eigenvalues of the matrix 0 -1 1 2b and determine for which values of b the
Find the velocity and acceleration at point (1,1,1) at time t = 1 second. Write the acceleration vector.
An area is calculated by multiplying the length by the width. The pseudocode program below should ask the user for the length and width of a rectangular room in order to calculate the area, and display the room's area. Will it do the job.
What is wrong with this Function prototype: Function RetumString(ByRef strReturn as String)
Conduct necessary analyses using SPSS so you can answer the questions listed in the exercise.
The composition of moist air is given on a molar basis to be 78 percent N2, 20 percent O2, and 2 percent water vapor. Determine the mass fractions of the constituents of air.
QUESTION 1: Did you double check that you are using the correct data set? QUESTION 2: How many observations are there?
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