Question: Using the thermal resistance relations developed in Chapter 3, determine shape factor expressions for the following geometries: (a) Plane wall, cylindrical shell, and spherical shell.

Using the thermal resistance relations developed in Chapter 3, determine shape factor expressions for the following geometries:

(a) Plane wall, cylindrical shell, and spherical shell.

(b) Isothermal sphere of diameter D buried in an infinite medium.

Step by Step Solution

★★★★★

3.32 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

KNOWN Hot pipe embedded eccentrically in a circular system having a prescribed thermal conductivity ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

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

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

8-E-M-E-H-M-T (285).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

Q:

A solid sphere of diameter d experiences a uniform pressure of p. Deter- mine (a) the decrease in circumference of the sphere; (b) the decrease in volume of the sphere AV. Given: d = 250 mm, p = 160...

Q:

A sealed spherical shell of diameter d is rigidly attached to a cart, which is moving horizontally with an acceleration a as in Figure P14.13. The sphere is nearly filled with a luid having density p...

Q:

A spherical shell is formed by taking a solid sphere of radius 20.0 cm and hollowing out a spherical section from the shells interior. Assume the hollow section and the sphere itself have the same...

Q:

With the same configurations as the wall MWB (shown below), using the thermal resistance of 0.12, 0.08, 1.9,0.11, 0.18, 0.03 (unit: m^2*K/W) and vapor permeance of 9200, 290, 100, 29, 2010 and 57000...

Q:

Question 2 : You work in a steam generation power plant and your manager is worried about the high consumption of natural gas to keep the steam pressure and temperature condition required by your...

Q:

A composite wall consisting of three different layers in perfect thermal contact is shown in the sketch below. The outer surfaces to the left and right are kept at temperatures T = 400C and T = 50C,...

Q:

Don't copy With the same configurations as the wall AWB (shown below), using the thermal resistance of 0.12, 0.08, 1.9, 0.11,0.18, 0.03 (unit: m^2*K/W) and vapor permeance of 9200, 290, 100, 29, 2010...

Q:

A large 7 - cm - thick iron plate ( k = 1 5 W / m K ) is exposed to an environment at 2 5 \ deg C with a heat transfer coefficient of 1 0 0 W / m 2 K . The left surface of the iron plate is...

Q:

A water heating system consists of a heat exchanger made from a 12m long copper pipe. The inside diameter of the copper pipe is d = 50mm and the outside diameter is do = 70mm. Annular aluminium fins...

Q:

Can an expert in advanced heat transfer review my work and verify my solutions. Please show all work where corrections are needed. I have uploaded the original problem materials for reference as...

Q:

The following information was obtained from the records of "Heads Up CC", for the year ended 28 February 2021. "Heads Up CC" Statement of financial position as at 28 February 2021 Total Assets...

Q:

La American Bankers Association recoge datos sobre el uso de tarjetas de cr dito , tarjetas de d bito , efectivo y cheques personales en el pago de compras en tienda ( The Wall Street Journal, 1 6 de...

Q:

Some American companies have refused to promote women into positions of high authority in their international operations in Asia, the Middle East, and South America. Their rationale is that business...

Q:

PTC is a substance that has a strong bitter taste for some people and is tasteless for others. The ability to taste PTC is inherited. About 75% of Italians can taste PTC, for example. You want to...

Q:

Assuming that the variables a, b, c, d, and f are scalars, write MATLAB statements to compute and display the following expressions. Test your statements for the values a = 1.12, b = 2.34, c = 0.72,...

Q:

A steam boiler may be thought of as a heat exchanger. The combustion gases may be modeled as a stream of air because their thermodynamic properties are close to those of air. Using this model,...

Q:

Determine how American Depositary Receipts (ADRs) facilitate trading in foreign securities.

Q:

The Flamingo Corporation is trying to determine the effect of its inventory turnover ratio and days sales outstanding (DSO) on its cash flow cycle. Last year, Flamingos sales (all on credit) were...

Q:

A long rod 40 mm in diameter, fabricated from sapphire (aluminum oxide) and initially at a uniform temperature of 800 K, is suddenly cooled by a fluid at 300 K having a heat transfer coefficient of...

Q:

The density and specific heat of a particular material are known (p = 1200 kg/m 3 c p = 1250 J/kg K), but its thermal conductivity is unknown. To determine the thermal conductivity, a long...

Q:

The convection coefficient for flow over a solid sphere may be determined by submerging the sphere which is initial1y at 25C, into the flow, which is at 75C, and measuring its surface temperature at...

Q:

Consider the sphere of Example 5.5, which is initially at a uniform temperature when it is suddenly removed from the furnace and subjected to a two-step cooling process. Use the Transie1l1...

Q:

A plane wal1 of thickness 0.6 m (L = 0.3 m) is made of steel (k = 30 W/m K. p = 7900 kg/m 3 , c = 640 J/kg K). It is initially at a uniform temperature and is then exposed to air on both surfaces....

Q:

The question is: approximately what is the range (interval from minimum to maximum value) in percentage of persons who use public transportation (panel g) with high proportions of positive tests...