A horizontal tube of 12.5-mm diameter with an outer surface temperature of 240C is located in a

Question:

A horizontal tube of 12.5-mm diameter with an outer surface temperature of 240°C is located in a room with an air temperature of 20°C. Estimate the heat transfer rate per unit length of the tube due to free convection.

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

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Heat and Mass Transfer

ISBN: 978-0471457282

6th Edition

Authors: Incropera, Dewitt, Bergman, Lavine

See More Books

Question Posted: Oct 01, 2010 12:34 AM

See More Questions

A horizontal tube of length l = t00 cm closed from both ends is displaced lengthwise with a constant acceleration w. The tube contains argon at a temperature T = 330 K. At what value of w will the...
Estimate the heat transfer coefficient for liquid sodium at 1000?F flowing over a 10-row staggered-tube bank of 1 inch diameter tubes arranged in an equilateral-triangular array with a 1.5...
Estimate the heat transfer coefficient from a horizontal Teflon-plated stainless-steel tube to water at atmospheric pressure with a temperature excess of 17oC. What would the heat transfer be for a...
You would like to design a product to sell to shopping malls that tells them more about the behaviours of their customers. The system would use cameras to track customers as they walk from store to...
Quality Exteriors installs stucco on high-priced custom homes, using the time-and-materials method to price jobs for individual builders. Quality anticipates using $250,000 of materials during the...
Amaro Hospital, a not-for-profit institution not subject to income taxes, is considering the purchase of new equipment costing $20,000 to achieve cash savings of $5,000 per year in operating costs....
During the month of October, credit sales for a business actually amounted to $$754$ 534. However, an error of $$20$ 000 had been made in totalling the sales column of the sales journal. When and...
Samuel David wants to make five equal annual withdrawals of $8,000 from a fund that will earn interest at 10% compounded annually. Required How much would David have to invest on: 1. January 1, 2007...
a) Money markets are used to trade debt securities and instruments with maturities of less than one year. Identify three characteristics of the money market. (6 marks) b) Explain four reasons for the...
The binary data stream 011100101 is applied to the input of a modified duobinary system. (a) Construct the modified duobinary coder output and corresponding receiver output without a precoder. (b)...
A long, uninsulated steam line with a diameter of 89 mm and a surface emissivity of 0.8 transports steam at 200C and is exposed to atmospheric air and large surroundings at an equivalent temperature...
Saturated steam at 4 bars absolute pressure with a mean velocity of 3 m/s flows through a horizontal pipe whose inner and outer diameters are 55 and 65 mm, respectively. The heat transfer coefficient...
Given the financial statements for Jones Corporation and Smith Corporation shown here: a . To which one would you, as credit manager for a supplier, approve the extension of (short-term) trade...
This chapter discusses the use of job redesign to reduce turnover. Do you think this is feasible in this case? Why or why not? If so, how should the job be redesigned?
The Government Accountability Office Report Regulatory Coverage Generally Exists for Financial Planners, but Consumer Protection Issues Remain provides the most current overview licensing...
What are the various forms of virtual communication used in modern organizations?
How does one choose between communication methods and handle barriers to effective communication?
What are the issues surrounding smartphones, social media, and cybersecurity confronting modern organizations?
For a Fermi gas confined to a two-dimensional region of area A , N = A 2 f 1 ( z F ) = A 2 ln ( 1 + z F ) , E F = A k T 2 f 2 ( z F ) while the corresponding results for the Bose gas are N = A 2...
The following exercises are not grouped by type. Solve each equation. x610x -9
A pump with a 150-mm diameter impeller is operating at 1750 rpm and delivering 3.2 L/s with a total dynamic head of 16 meters. The pump's BHP is 3.4 kW (0.45 hp) under these conditions. Assume...
Consider the system shown in Fig. P5.127. Tank A has a volume of 100 L and contains saturated vapor R-134a at 30C. When the valve is cracked open, R-134a flows slowly into cylinder B The piston mass...
Ammonia, NH3, is contained in a sealed rigid tank at 0C, x = 50% and is then heated to 100C. Find the final state P2, u2 and the specific work and heat transfer.
A piston/cylinder contains 1 kg of ammonia at 20C with a volume of 0.1 m3, shown in Fig. P5.129. Initially the piston rests on some stops with the top surface open to the atmosphere, Po, so a...
Consider the control system in Figure where v(t) is a sinusoidal disturbance, v(t)=sin(t). Compute the absolute value of the sensitivity function at w = 1 rad/s as a function of K. How must K be...
ABC Corporation, a growing tech company, decides to raise capital by issuing convertible debt securities. Convertible debt allows bondholders the option to convert their debt into a predetermined...
Design Analog and Digital IIR Bandstop filter considering pass band edge1 20kHz, stop band edges 22 kHz & 38kHz, pass band edge2 40kHz, sampling frequency 100kHz. Additionally, draw corresponding...

A horizontal tube of 12.5-mm diameter with an outer surface temperature of 240C is located in a

Question:

Step by Step Answer:

KNOWN Horizontal tube 125mm diameter with surface temperature 240C located in room with an air tempe...View the full answer

Fundamentals of Heat and Mass Transfer

Students also viewed these Mechanical Engineering questions