Question: Consider a sphere with a diameter of 20 mm and a surface temperature of 60C that is immersed in a fluid at a temperature of

Consider a sphere with a diameter of 20 mm and a surface temperature of 60°C that is immersed in a fluid at a temperature of 30°C and a velocity of 2.5 m/s. Calculate the drag force and the heat rate when the fluid

(a) Water and

(b) Air at atmospheric pressure. Explain why the results for the two fluids are so different

Step by Step Solution

★★★★★

3.33 Rating (177 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

KNOWN Sphere with a diameter of 20 mm and a surface temperature of 60C that is immersed in a fluid at a temperature of 30C with a velocity of 25 ms FI... 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

Document Format (1 attachment)

8-E-M-E-H-M-T (629).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

The bolt AB has a diameter of 20 mm and passes through a sleeve that has an inner diameter of 40 mm and an outer diameter of 50 mm. The bolt and sleeve are made of A-36 steel and are secured to the...

The plate has a thickness of 20 mm and the force P = 3 kN acts along the centerline of this thickness such that d = 150 mm. Plot the distribution of normal stress acting along section aa. 200 mm

A sphere with a diameter of 80 cm is held at a temperature of 250C and is radiating energy. If the intensity of the radiation detected at a distance of 2.0 m from the sphere's center is 102 W/m2,...

Q2. Answer the questions below regarding the heat transfer. Here the following symbols are used. Thermal conductivity , boundary film thickness 6, characteristic length d, mass density p, specific...

Please quality check my solutions for this advanced heat transfer problem. Show all work. Thank you. All original documents are located at the bottom. 3.9 COMPACT HEAT EXCHANGERS 3.9.10-1 3.9.10...

please reply all the questions 4) (25 points) The forming section of a plastics plant puts out a continuous sheet of plastic that is 1.2 m wide and 2 mm thick at a rate of 15 m/min. The temperature...

A temperature-measuring instrument consists of a hollow spherical shell consisting of three materials as shown in the figure. The top hemisphere is composed of material A, while the bottom hemisphere...

Dear expert just needed part 3 and part 4.Asap opvote will be given.thanks A temperature-measuring instrument consists of a hollow spherical shell consisting of three materials as shown in the...

Computer Science Question 1 : Heat Exchanger Design Part A: Calculate the heat transfer rate required for a heat exchanger to cool 1 5 0 0 kg / hr of water from 8 5 C to 3 0 C . Assume the specific...

Sketch a direction field for the differential equation. Then use it to sketch three solution curves. y' = 1/2y

Describe how the shortest-route problem is modeled as a transshipment problem.

( Question 1 ) 1 5 points Evaluate the indicated integrals if a is a positive real number constant. A . 1 4 3 ( x - s i n x ) d x B . ( 2 x e - 2 a x ) d x C . 0 1 x a x 2 2 d x

On September 1, 2020, Blue Corporation acquired Larkspur Enterprises for a cash payment of $790,000. At the time of purchase, Larkspurs balance sheet showed assets of $630,000, liabilities of...

A 0.1276 g sample of an unknown monoprotic acid was dissolved in 25 mL of water and titrated with a 0.0633 M NaOH solution. The volume of the base required to reach the equivalent point was 18.4 mL....

A 0.2688 sample of a monoprotic acid neutralizes 16.4 mL of a 0.08133 M KOH solution. Calculate the molar mass of the acid.

A commercial reagent that is 86% H3PO4 (w/w) (Molar mass 98.0 g/mol) with a specific gravity of 1.71, the volume (ml) needed from this reagent to prepare 1000 ml of 6.00 M H3PO, is: 300 . 400 . 600...

Compute the cash proceeds from bond issues under the following terms. For each case, indicate whether the bonds sold at a premium or discount: Pear, Inc. issued $400,000 of 10-year , 8 percent bounds...

E6-52B Performing a regression analysis to predict overhead for a hospital laboratory (Learning Objective 5) The manager of the main laboratory facility at MetroFit Center (from E6-49B) collects...

A small copper sphere, initially at a uniform, elevated temperature T(0) = T;, is suddenly immersed in a large fluid bath maintained at Tsat. The initial temperature of the sphere exceeds the Leiden...

A sphere made of aluminum alloy 2024 with a diameter of 20 mm and a uniform temperature of 500C is suddenly immersed in a saturated water bath maintained at atmospheric pressure. The surface of the...

A steel bar, 20 mm in diameter and 200 mm long, with an emissivity of 0.9, is removed from a furnace at 455C and suddenly submerged horizontally in a water bath under atmospheric pressure. Estimate...

Bellwood Corp. is comparing two different capital structures. Plan I would result in 23,000 shares of stock and $81,000 in debt. Plan II would result in 17,000 shares of stock and $243,000 in debt....

Suppose the expected returns and standard deviations of stocks A and B are E( RA ) = 0.13, E( RB ) = 0.19, A = 0.28, and B = 0.52, respectively. (a) Calculate the expected return and standard...

Consider the following scenario: Company A contracts with Company B to supply widgets. At the time of signing the contract B pays $175 in advance for the widgets, which it plans to sell in turn for...