(a) Explanation Express the mass flow rate of the steam. m ˙ = 1 v 2 A 2 V 2 (I) Here, final specific volume is v 2 , exit area of diffuser is A 2 and exit velocity is V 2 . Conclusion: Perform unit conversion of initial pressure from kPa to MPa . P 1 = 10 kPa = ( 10 kPa ) MPa 1000 kPa = 0.01 MPa Refer Table A-6, “superheated water”, and write the initial specific enthalpy corresponding to initial pressure ( P 1 ) of 0 .01 kPa and initial temperature ( T 1 ) of 60°C using interpolation method. Write the formula of interpolation method of two variables. y 2 = ( x 2 − x 1 ) ( y 3 − y 1 ) ( x 3 − x 1 ) + y 1 (II) Here, the variables denote by x and y is temperature and initial specific enthalpy respectively. Show the initial specific enthalpy corresponding to temperature as in Table (1). Temperature ( °C ) Initial specific enthalpy h 1 ( kJ / kg ) 50 ( x 1 ) 2592 ( y 1 ) 60 ( x 2 ) ( y 2 = ? ) 100 ( x 3 ) 2687.5 ( y 3 ) Substitute 50 ° C 60 ° C and 10 0 ° C for x 1 , x 2 and x 3 respectively, 2592 kJ / kg for y 1 and 2687.5 kJ / kg for y 3 in Equation (II). y 2 = ( 60 − 50 ) °C ( 2687.5 − 2592 ) kJ / kg ( 100 − 50 ) °C + 2592 kJ / kg = 2611.2 kJ / kg = h 1 Show the initial specific enthalpy corresponding to temperature as in Table (1). Temperature ( °C ) Initial specific entropy h 1 ( kJ / kg ⋅ K ) 50 ( x 1 ) 8 (b) To determine The wasted work potential during the process.

8th Edition

ISBN: 9780073398174

Author: Yunus A. Cengel Dr., Michael A. Boles

Publisher: McGraw-Hill Education

See similar textbooks

Videos

Question

Chapter 8.8, Problem 55P

(a)

To determine

The mass flow rate of the steam.

(b)

To determine

The wasted work potential during the process.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 8.8, Problem 53P

Chapter 8.8, Problem 56P

Students have asked these similar questions

Only question 1&2

Only question 3&4

The enthalpy of fusion for water is 6.01 kJ/mol. Calculate the entropy change for 1.0 mole of ice melting to form liquid at 273 K

Chapter 8 Solutions

Thermodynamics: An Engineering Approach

Ch. 8.8 - What final state will maximize the work output of...Ch. 8.8 - Is the exergy of a system different in different...Ch. 8.8 - How does useful work differ from actual work? For...Ch. 8.8 - Prob. 4P Ch. 8.8 - Consider two geothermal wells whose energy...Ch. 8.8 - Consider two systems that are at the same pressure...Ch. 8.8 - Prob. 7P Ch. 8.8 - Does a power plant that has a higher thermal...Ch. 8.8 - Prob. 9P Ch. 8.8 - 8–10C Can a process for which the reversible work...

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

The mass flow rate of the steam.

Solution Summary: The author explains the mass flow rate of the steam, the final specific volume, exit area of diffuser, and exit velocity.

Videos

The mass flow rate of the steam.

The wasted work potential during the process.

Want to see the full answer?

Chapter 8 Solutions