Question: A straight, rectangular aluminum fin k=200 W/m? ? C , 3.0 mm thick and 7.5 cm long, protrudes from a wall, as shown in the

A straight, rectangular aluminum fin $k=200 W/m? ? C$ , 3.0 mm thick and 7.5 cm long, protrudes from a wall, as shown in the figure below. The base is maintained at 300 $? C$ , and the ambient temperature is 50 $? C$ with $h=10 W/M2? ? C$ . Calculate the heat loss, $q f$ . from the fin per unit depth of the fin. Assume an insulated tip condition with w $?$ t.

af Tb L Too1 h Ac aconv -3- -4-

Step by Step Solution

★★★★★

3.42 Rating (158 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

To calculate the heat loss from the fin we will use the formula for heat transfer through a fin with ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mechanical Engineering Questions!

A cast-steel C frame as shown in the figure has a rectangular cross section of 1.25 in by 2 in, with a 0.5-in-radius semicircular notch on both sides that forms midflank fluting as shown. Estimate A,...

A cast-steel C frame as shown in the figure has a rectangular cross section of 1 in by 1.6 in, with a 0.4-in-radius semicircular notch on both sides that forms midflank fluting as shown. Estimate A,...

The bridge support shown in the figure below is the top half of an ellipse. Assuming that a coordinate system is superimposed on the drawing in such a way that point Q, the center of the ellipse, is...

The accountant of 'Nav Jeevan Limited' while preparing Cash Flow Statement added the proposed dividend of the current year to net profit while calculating cash flow from operating activities. Was he...

2. A rectangular aluminum fin (k = 200 W/mC), 3 mm thick and 7.5 cm long protrudes from a wall. The base is maintained at 300C, and the ambient temperature is 50C with h = 10 W/m2 C. Calculate: (a)...

A steel rod ( k = 3 0 W / m OC ) 1 cm in diameter and 5 cm long protrudes from a wall which is maintained at 1 0 0 C . The rod is insulated at its tip and is exposed to an environment with h = 5 0 W...

An array of twenty vertical aluminum rectangular heat exchanger fins ( k = 1 7 5 W / mK ) , each 5 0 mm high, 2 mm thick, and 4 0 mm long, is used to cool a power transistor as shown in Figure Q 2 ....

#6 and #7 1. Moist air at standard conditions is at a dry bulb temperature of 50F and a relative humidity of 70%. It is sensibly heated (constant moisture) to 72F. Use the psychrometric chart to...

2. (30 pts) A hot surface at 300C is to be cooled by attaching straight aluminum rectangular fins (k=260 W/mK) with 30 mm length, 60 mm width and 5 mm base thickness. Fins are exposed to an ambient...

please answer this question sir /mam thank you = 6. An aluminum fin of length 8 cm and thickness 0.25 cm (kfin = 210 W/mC) protrudes from a wall maintained at 350C. The ambient temperature is 30C and...

Charlotte and Nathan runs a partnership which wholesales clothing pants and T-shirts under the business name Charlatan House. Their price list and unit costs (if applicable) are shown below....

Perform the following integrations: 1) y' = 6e6x sin(e6x) y = x + 2 x + 4x + 5 3) y = cos(6x) 9-sin(6x) y = 2) y'= = 4) y' = 8x (1 - 2x) y = y = +C +C +C +C

Which of the following statements are correct? Under simple interest, the interest earned each year increases over time. Under simple interest, the total interest earned is proportional to the...

The following information concerns production in the Baking Department for August. All direct materials are placed in process at the beginning of production. a. Determine the number of units in work...

Marlene Grady and Pauline Monroe are partners engaged in operating The G&M Doll Shop, which has employed the following persons since the beginning of the year: V. Hoffman (general office...

Comment on whether you agree with the following: A basis for modified opinion paragraph is the same as a basis for qualified opinion paragraph.

Orear Company earns 10% on an investment that will return $480,000 eight years from now. What is the amount Orear should invest now to earn this rate of return?

Palmer Corporation operates on a calendar-year basis. It begins the annual budgeting process in late August when the president establishes targets for the total dollar sales and net income before...

Which word is incorrect? Question 40 options: argument convenient government definitly none

Triangular and parabolic straight fins are subjected to the same thermal conditions as the rectangular straight fin of Problem 3.134. (a) Determine the length of a triangular fin of unit width and...

Consider two very long, straight fins of uniform cross section, as shown in Figure 3.17. The rectangular fin has dimensions t = 1 mm and w = 20 mm. The circular pin fin has the same cross-sectional...

A heat sink made of an array of fins that have a straight, rectangular cross section is used to cool an electronic micro-chip module, as schematically shown in the figure. The heat sink (base and...

A plane wall with surface temperature of 350°C is attached with straight rectangular fins (k = 235 W/m·K). The fins are exposed to an ambient air condition of 25°C and the convection...

A plane wall with surface temperature of 350C is attached with straight rectangular fins (k = 235 W/m K). The fins are exposed to an ambient air condition of 25C and the convection heat transfer...

A straight fin of rectangular profile has a thermal conductivity of 1 4 W m C , thickness of 2 . 0 mm , and length of 2 3 mm . The base of the fin is maintained at a temperature of 2 2 0 C while the...