Air (1 atm) enters into a 5-cm-diameter circular tube at 20C with an average velocity of 5

Question:

Air (1 atm) enters into a 5-cm-diameter circular tube at 20°C with an average velocity of 5 m/s. The tube wall is maintained at a constant surface temperature of 160°C, and the outlet mean temperature is 80°C. Estimate the length of the tube.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

See More Books

Question Posted: Dec 04, 2018 06:37 AM

See More Questions

Air at 1 atm and 38oC is forced through a horizontal 6.5-mm-diameter tube at an average velocity of 30 m/s. The tube wall is maintained at 540oC, and the tube is 30 cm long. Calculate the average...
Air (1 atm) entered into a 5-mm-diameter circular tube at an average velocity of 5 m/s. The tube wall is maintained at a constant surface temperature. Determine the convection heat transfer...
Air at 20C (1 atm) enters into a 5-mm-diameter and 10-cm-long circular tube at an average velocity of 5 m/s. The tube wall is maintained at a constant surface temperature of 160C. Determine the...
Vehicles begin arriving at Allen fieldhouse at 6:30 PM, at a constant rate of 4 per minute. One gate opens at 7:00 PM and processes cars at a rate of 5 vehicles per minute. At 7:10 PM, a second gate...
For the company in Problem 2, show how the equity accounts will change if: a. The company declares a four-for-one stock split. How many shares are outstanding now? What is the new par value per...
Many small boats are made of fiberglass and a resin derived from crude oil. Suppose that the price of oil rises. a. Using diagrams, show what happens to the cost curves of an individual boat-making...
What are the distinct parts of an insurance policy?
The Hershey Company is one of the worlds leading producers of chocolates, candies, and confections. It sells chocolates and candies, mints and gums, baking ingredients, toppings, and beverages....
4) (10 pts) Write a script that will prompt the user for a distance in miles, and then a 'K' for kilometers or 'M' for meters. The script will convert and print the corresponding distance in the...
Nashville Publishing Company pays its employees monthly. Payments made by the company on October 31, 2019, follow. Cumulative amounts paid to the persons named prior to October 31 are also given. 1....
Hot air at atmospheric pressure and 85°C enters a 10-m-long uninsulated square duct of cross section 0.15 m Ã 0.15 m that passes through the attic of a house at a rate of 0.1 m 3 /s. The...
The hot water needs of a household are to be met by heating water at 55°F to 200°F by a parabolic solar collector at a rate of 4 lbm/s. Water flows through a 1.25-in-diameter thin aluminum...
As explored in the text, a new macroeconomic consensus is argued to have emerged in the 1990s. To what extent can the views of the various schools be thought to be aligned with this new consensus?
On June 30, Sharper Corporation's stockholders' equity section of its balance sheet appears as follows before any stock dividend or split. Sharper declares and immediately distributes a 50% stock...
After considerable research, a winter products line has been developed. However, Silven's president has decided to introduce only one of the new products for this coming winter. If the product is a...
A social enterprise that provides employment and training to women from refugee backgrounds. 2 topics from the following: Culture/ systems Ethics, sustainability or CSR Articulation of the issue...
Polaski Company manufactures and sells a single product called a Ret. Operating at capacity, the company can produce and sell 34,000 Rets per year. Costs associated with this level of production and...
Lillibridge & Friends, Incorporated provides you with the following data for its single product: Sales price per unit Fixed costs (per quarter): Selling, general, and administrative (SG&A)...
A base-emitter voltage of from 520 mV to 580 mV is measured on a test npn transistor structure with 10 A collector current. The emitter dimensions on the test transistor are 100 m 100 m. Determine...
What is the amount of total interest dollars earned on a $5,000 deposit earning 6% for 20 years?
Given K independent measurements (Z 1 , Z 2 ,.....,Z K ) of a noise voltage Z(t) at the RF filter output of a receiver: (a) If Z(t) is Gaussian with mean zero and var { 2 n }, what is the ML estimate...
Generalize the estimation of a sample of a PAM signal, expressed by (11.207), to the case where the sample value m 0 is a zero-mean Gaussian random variable with variance Ï 2 m . 1 No - (E {Z}}...
Assume a biphase modulated signal in white Gaussian noise of the form y(t) = 2P sin (Ï c t ± cos -1 m + Î¸) + n(t), 0 ¤ t ¤ T s where the ± signs are...
S&J Catering is a small catering business operating in Western Sydney. Business partners, Jack and Simon, established the business a year ago. To start up the business, the partners contributed...
In 20X1, Lee was hurt in the course of his employment with Foster Farms. In 20X1, Lee was paid the following amounts from Foster Farms' worker's compensation insurance company: $30,000 for a physical...
Briefly describe tax administrative matters including: Tax collection and withholding mechanisms (PAYG withholding, PAYG instalments).

Air (1 atm) enters into a 5-cm-diameter circular tube at 20C with an average velocity of 5

Question:

Step by Step Answer:

Air 1 atm enters into a 5cm diameter circular tube at 20C with an average ...View the full answer

Fundamentals of Thermal-Fluid Sciences

Students also viewed these Physics questions