A plane wall with surface temperature of 350°C is attached with straight rectangular fins (k = 235
Question:
(a) Table 173
(b) Fig. 1743.
Transcribed Image Text:
TABLE 17-3 Efficiency and surface areas of common fin configurations Straight rectangular fins tanh ml.. ml. m = V2h/kt Ппn = L+ t/2 L. Ana = 2wL. Straight triangular fins y= (t/2) (1- XIL) 1 4(2ml) 7in = mL 1,(2ml.) m = V2h/kt Ana = 2w V? + (1/2) Straight parabolic fins y- (1/2) (1- XIL m = V2h/kt Ana = w[C, + (LIt)In(1/L + C,)] G = VT+ (#LY 1+ y(2mL) + 1 Circular fins of rectangular profile K,(mr,)I,(mr,) – 1,(mr,)K,(mr,) = C2 1,(mr, )K,(mr,) + K,(mr,)I,(mr,) m = V2h/kt la =+ t/2 Ann = 27(rž – ri) 2r/m Pin fins of rectangular profile m = V4h/kD = L+ DI4 Ana = TDL. tanh ml ml TDen = Pin fins of triangular profile V4hikD пD Ana 2 1,(2ml) mL 1,(2mL) I, (x) = I, (x) – (2/x)l, (x) where x = 2ml. y= (D/2) (1- XIL) Ппn V + (D/2)² Pin fins of parabolic profile y= (D/2) (1 XIL) m = V4h/kD п! Aga 8D IGC, - C =1+ 2(D/L)? C4 = Vī + (DILY In(2DCJL + C,)] 2D %3D 1 + y(2mL/3)? +1 Pin fins of parabolic profile (blunt tip) y = (D/2) (1- xIL)a 3 1(4mL/3) 2ml. 1,(4ml/3) m = V4h/kD Апn ip2 – 1 [16(L/D)² 9612 Alr, 25°C h = 154 W/m2K T,= 350°C t= 5 mm k= 235 W/m-K w- 100 mm = 50 mím-
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (12 reviews)
Using Table 173 and Figure 1743 the efficiency heat transfer rate and effectiveness of a s...View the full answer
Answered By
Nazrin Ziad
I am a post graduate in Zoology with specialization in Entomology.I also have a Bachelor degree in Education.I posess more than 10 years of teaching as well as tutoring experience.I have done a project on histopathological analysis on alcohol treated liver of Albino Mice.
I can deal with every field under Biology from basic to advanced level.I can also guide you for your project works related to biological subjects other than tutoring.You can also seek my help for cracking competitive exams with biology as one of the subjects.
3.30+
2+ Reviews
10+ Question Solved
Related Book For
Fundamentals of Thermal-Fluid Sciences
ISBN: 978-0078027680
5th edition
Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala
Question Posted:
Students also viewed these Physics questions
-
A plane wall surface at 200C is to be cooled with aluminum pin fins of parabolic profile with blunt tips. Each fin has a length of 25 mm and a base diameter of 4 mm. The fins are exposed to an...
-
Circular fins of uniform cross section, with diameter of 10 mm and length of 50 mm, are attached to a wall with surface temperature of 350°C. The fins are made of material with thermal...
-
An aluminum plate of 25 mm thick (k = 235 W/m·K) is attached on a copper plate with thickness of 10 mm. The copper plate is heated electrically to dissipate a uniform heat flux of 5300 W/m 2 ....
-
The tasks must you complete as part of building the subledger applications while implementing Oracle Accounting Hub Cloud? Explain.
-
An auditor examined data flow diagrams in a small portion of system development projects and determined that there were nearly 12% of them with errors. The Vice-President for Development wants a...
-
(a) Use the Midpoint Rule for double integrals with m = n = 2 to estimate the area of the surface z = xy + x 2 + y 2 , 0 < x < 2, 0 < y < 2. (b) Use a computer algebra system to approximate the...
-
A business paid a 720 subscription to a trade magazine on 30 June 2008, for the two years to 1 July 2010. The business's financial year ends on 30 November 2008. What relevant figures for...
-
Match each of the following statements with the appropriate accounting concept. Some concepts may be used more than once, while others may not be used at all. Use the notations shown to indicate the...
-
The demand of a purchased product is 1,000 units annually. The inventory holding cost factor is 20% and the unit cost is $50. The cost of placing an order is $200. What is the total cost of the EOQ...
-
Given the starting material 1-methyl-1,2-epoxycyclopentane, of absolute configuration as shown, decide which one of the compounds A through C correctly represents the product of its reaction with...
-
Two 3-m-long and 0.4-cm-thick cast iron (k = 52 W/m·K) steam pipes of outer diameter 10 cm are connected to each other through two 1-cm-thick flanges of outer diameter 20 cm. The steam flows...
-
A DC motor delivers mechanical power to a rotating stainless steel shaft (k = 15.1 W/m·K) with a length of 25 cm and a diameter of 25 mm. In a surrounding with ambient air temperature of...
-
Some of the managers at a company have an MBA degree. Of managers at the level of director or higher, 60% have an MBA. Among other managers of lower rank, 35% have an MBA. For this company, 15% of...
-
Compare and contrast the opinions of the authors of the articles provided in the discussion and in weekly Learning materials, present the important information, data (if applicable), statistics (if...
-
Prepare system flowcharts for Thermo-Chem's, Sales process Production process Shipping process Billing process ImaginethatyouareresponsibletoassessThermo-Chem'scurrentsituationandtomakesuggestions in...
-
Write a C++ Program for calculating the 5^n by using recursive functions.
-
fficiency of Algorithms 170 of 930 11. For each of the following lists, perform a bubble sort, and show the list after each exchange. Compare the number of exchanges done here and in the Practice...
-
7) Beth Johnson was recently appointed Vice President of Administration in the Sigma Group, a nationwide personal financial planning services firm. Ann Garber, department manager, has just finished...
-
Refer to the data for Exercise 13-37. Assume the fabric costs S4 per metre in 2019 and $4.10 per metre in 2018. Required 1. Compute Guble Company's total factor productivity (TFP) for 2019. 2....
-
In what ways does a well-designed enterprise search software vary from popular search engines (e.g., Bing, DuckDuckGo, and Google)?
-
A lossless parallel-plate waveguide is known to propagate the m = 2 TE and TM modes at frequencies as low as 10 GHz. If the plate separation is 1 cm, determine the dielectric constant of the medium...
-
A d = 1 cmparallel-plate guide is made with glass (n = 1.45) between plates. If the operating frequency is 32 GHz, which modes will propagate?
-
For the guide of Problem 13.14, and at the 32 GHz frequency, determine the difference between the group delays of the highest-order mode (TE or TM) and the TEM mode. Assume a propagation distance of...
-
Presented below is information related to Aquinas Co.: Retained earnings, December 31, 2021 $ 750,000 Sales revenue 1,405,000 Additional paid-in-capital 220,000 Loss on sale of equipment 18,000...
-
URGENT Concord Industries can produce 600 units of a necessary component part with the following costs:irect Materials $74100 Direct Labour19800 Variable Overhead 59500 Fixed Overhead9400 If Concord...
-
Corporation A has a profit of $100,000, and Corporation B has a loss of $250,000. Both corporations have the same shareholders. How might Corporation A get the use of Corporation B's losses? a....
Study smarter with the SolutionInn App