A pipe flows water at 15oC from one building to another. In the winter time the pipe

Question:

A pipe flows water at 15oC from one building to another. In the winter time the pipe loses an estimated 500 W of heat transfer. What is the minimum required mass flow rate that will ensure that the water does not freeze (i.e. reach 0oC)?

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

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

See More Books

Question Posted: Dec 03, 2009 12:22 AM

See More Questions

A window receives 200 W of heat transfer at the inside surface of 20oC and transmits the 200 W from its outside surface at 2oC continuing to ambient air at 5oC. Find the flux of entropy at all three...
A window receives 200 W of heat transfer at the inside surface of 20oC and transmits the 200 W from its outside surface at 2oC continuing to ambient air at 5oC. Find the flux of entropy at all three...
A small, high-speed turbine operating on compressed air produces a power output of 0.1 hp. The inlet state is 60 lbf/in 2, 120 F, and the exit state is 14.7 lbf/in 2, 20 F. Assuming the...
Write statements that can be used in a JavaFX application to draw the five interlocking rings that are the symbol of the Olympics. (Dont worry about the color.)
What are the four examples of direct investments in real estate?
The periodogram I(?) if a discrete-time random signal x[n] was defined in Eq. (10.52) as? I(?) = 1/LU |V(e j? )| 2 , where V(e j? ) is the discrete-time Fourier transform of the finite-length...
7. Pop Corporation regularly sells inventory items to its subsidiary, Son Corporation. If unrealized profits in Sons 2016 year-end inventory exceed the unrealized profits in its 2017 year-end...
Basilisk lizards can run across the top of a water surface (Figure). With each step, a hzard first slaps its foot against the water and then pushes it down into the water rapidly enough to form an...
Which of the following branches of accounting focuses more on historical data
What was the organizational problem in this story? Can someone be responsible for something over which that person does not have authority? How should the new manager have handled Billys request to...
A cutting tool uses a nozzle that generates a high speed jet of liquid water. Assume an exit velocity of 1000 m/s of 20oC liquid water with a jet diameter of 2 mm (0.002 m). How much mass flow rate...
A steam turbine receives water at 15 MPa, 600C at a rate of 100 kg/s, shown in Fig. P6.78. In the middle section 20 kg/s is withdrawn at 2 MPa, 350C, and the rest exits the turbine at 75 kPa, and 95%...
Express each terminating decimal number as a quotient of two integers. If possible, reduce the quotient to lowest terms. 0.13
Pomerantz in Chapter 8 discussed the expectation that the years leading up to 2030 Group of answer choices would be years of accelerating progress, a trend derailed by war, pandemic, economic...
A Mississippi chicken processing plant fired most of its remaining workers after nearly 100 accused of immigration violations were arrested last week, witnesses said, an indication that the crackdown...
You have added 15 songs to a Spotify playlist. You have 3 classic rock songs, 7 pop songs, and 5 country songs. You can play 4 songs on your walk to school. What is the probability that you hear 2...
a b Solve a) (725.25)10=(?)2=(?)16 b) (111100111110001)2= (?) 8 = (?) 16 Build the equation Y=AB+ CD + E to realize using a) NAND Gates b) NOR Gates Construct and describe Full Adder with neat logic...
With such a high base rate, you are confident about the chance of hiring and have posted the job ad based on a prior job analysis. Listed below are the final applicants and their profile of four key...
How can a persons personality affect his or her buying behavior?
Extend Algorithms 3.4 and 3.5 to include as output the first and second derivatives of the spline at the nodes.
Consider the air-standard Otto cycle explained in the online supplement. At the beginning of the compression stroke, P 1 = 95 kPa, T 1 = 298 K. Consider air as an ideal gas stream with C P = 0.79C...
Production numbers for 2 shifts are shown. The shift supervisor of Shift 2 insists to the production manager that her operators are more productive than the ones on Shift 1. Using a confidence level...
In a class, the scores that students got are as shown. What are the 25, 50, 75 and 100th percentiles for the data? 84 84 98 80 89 83 85 56 85 84 84 74 84 81 83 80 45 86 67 79 81 78 76 85 83 77 86 83...
Number of points made by Teams A and B are shown. Which statement is true based on running the F-Test Two-Sample for Variances in the Data Analysis pack in Excel? Use a confidence level of 10% to...

A pipe flows water at 15oC from one building to another. In the winter time the pipe

Question:

Step by Step Answer:

Energy Eq mh Q mh Assume ...View the full answer

Fundamentals of Thermodynamics

Students also viewed these Mechanical Engineering questions