During a heat transfer process, the entropy change of incompressible substances, such as liquid water, can be

Question:

During a heat transfer process, the entropy change of incompressible substances, such as liquid water, can be determined from ∆S = mcavg ln (T2/T1). Show that for thermal energy reservoirs, such as large lakes, this relation reduces to ∆S = Q/T.

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: Feb 15, 2010 03:50 AM

See More Questions

A heat transfer process has the following transfer function between a temperature T and an inlet flow rate q where the time constants have units of minutes: If the flow rate varies sinusoidally with...
Wiry pure liquid water can be subcoolcd at atmospheric pressure to temperatures well below 0oC. Assume that I leg has. been cooled as a liquid to -6 oC, A small ice crystal (of negligible mass) is...
Traces of aniline, C6H5NH2, in drinking water can be determined by reaction with an excess of electrolytically generated Br2: The polarity of the working electrode is then reversed, and the excess...
Erin Danielle Company purchased equipment and incurred the following costs. What amount should be recorded as the cost of the equipment? (a) $24,000. (c) $25,400. (b) $25,200. (d) $25,800. Cash price...
Using a computer program, determine the potential distribution in the two-dimensional bodies shown in Figures P14 -11 to P14 -16. Figure P14-11 Figure P14-12 Figure P14-13 p = 500 m away from pump...
Myrtle Air Express decided to offer direct service from Cleveland to Myrtle Beach. Management must decide between a full-price service using the companys new fleet of jet aircraft and a discount...
When we roll a pair of balanced dice, what are the probabilities of getting (a) 7 ; (b) 11 ; (c) 7 or 11 ; (d) 3 ; (e) 2 or 12 ; (f) 2,3 , or 12 ?
Instantaneous Power in a Standing Wave. From Eq. (15.21), the instantaneous rate at which a wave transmits energy along a string (instantaneous power) is Where F is the tension. (a) Evaluate f (x, t}...
Write a python program that drawing the Olympic logo. The Olympic flag has a white background, with five interlocked rings in the center: blue, yellow, black, green, and red. 009
Sorrell was driving a dump truck loaded with asphalt to repair railroad crossings when another Norfolk truck approached. Sorrell claimed he was forced off the road. The truck flipped and he was...
A 3-ft3 rigid tank initially contains refrigerant-134a at 100 psia and 100 percent quality. The tank is connected by a valve to a supply line that carries refrigerant-134a at 140 psia and 80F. The...
The inner and outer glasses of a 2-m x 2-m double pane window are at 18°C and 6°C, respectively. If the glasses are very nearly isothermal and the rate of heat transfer through the window is...
Using the percentage method, calculate the federal withholding amounts for the following employees? Discuss.
You hold one end of a string that is attached to a wall by its other end. The string has a linear mass density of $0.067 \mathrm{~kg} / \mathrm{m}$. You raise your end briskly at \(12 \mathrm{~m} /...
Explain and draw a graph to illustrate the effect of a decrease in exports on equilibrium expenditure in the short run. Pakistan reported a decrease in its exports from an equivalent of $19 billion...
A liquid of viscosity $0.456 \mathrm{~Pa} \cdot \mathrm{s}$ and mass density $882 \mathrm{~kg} / \mathrm{m}^{3}$ flows through a pipe at a volume flow rate of \(2.00 \mathrm{~m}^{3} /...
Estimate how much the air surrounding your body affects the scale reading when you stand on a spring scale.
Create a new class called LoopExercise and create a main( ) container. We want to output the following on the command window: a. Use a for-loop to output the above text. b. Use a while loop to output...
Air enters a combustion chamber at $75 \mathrm{~m} / \mathrm{s}, 150 \mathrm{kPa}$ and $300 \mathrm{~K}$. Heat addition in the combustor amounts to $900 \mathrm{~kJ} / \mathrm{kg}$. Compute (a) the...
Find the radius of convergence of? 1.2.3 1.3.5 (2n-1) r2n+1 -1
Select answers to the questions listed below from the following list of elements whose symbols start with the letter C: C, Ca, Cr, Co, Cd, Cl, Cs, Ce, Cm, Cu, and Cf. (You should expect to use some...
Weaver Corporation had the following stock issued and outstanding at January 1, Year 1: 1. 73,000 shares of $4 par common stock. 2. 7,000 shares of $90 par, 6 percent, noncumulative preferred stock....
Teresa is a 32-year-old woman in your practice who frequently misses her appointments and at other times shows up without an appointment, often in crisis. She currently uses alcohol and tobacco, and...
On January 1, Year 1, Grapefruit Corporation purchased a machine for $41,300,000. Grapefruit's management expects to use the machine for 26,000 hours over the next six years. The estimated residual...

During a heat transfer process, the entropy change of incompressible substances, such as liquid water, can be

Question:

Step by Step Answer:

It is to be shown that for thermal energy reservoirs ...View the full answer

Fundamentals of Thermal-Fluid Sciences

Students also viewed these Mechanical Engineering questions