Mathcad Functions for Boiling heat transfer

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This document presents Mathcad functions for analyzing boiling heat transfer. It was prepared by Dr. M. Thirumaleshwar for teaching a heat transfer course. The document contains functions for properties of saturated water and steam, as well as equations for nucleate boiling and film boiling on surfaces like flat plates, cylinders, and spheres. Example problems are shown to demonstrate using the Mathcad functions to analyze and quickly solve homework problems on topics of boiling heat transfer.

Engineering

Preface
• This file contains slides on Mathcad
Functions for Boiling heat transfer.
• The slides were prepared while teaching
Heat Transfer course to the M.Tech.Heat Transfer course to the M.Tech.
students in Mechanical Engineering Dept.
of St. Joseph Engineering College,
Vamanjoor, Mangalore, India, during Sept.
– Dec. 2010.
Aug. 2016 2MT/SJEC/M.Tech.

• Main focus is on the Mathcad Functions.
• Example problems are shown only for a quick
demonstration of using these Functions.
• It is hoped that these Slides will be useful to
teachers, students, researchers and
professionals working in this field.
• For students, it should be particularly useful• For students, it should be particularly useful
to study and quickly solve the home-work
problems.
•
Aug. 2016 3MT/SJEC/M.Tech.

References
• 1. M. Thirumaleshwar: Fundamentals of Heat &
Mass Transfer, Pearson Edu., 2006
• 2. Cengel Y. A. Heat Transfer: A Practical
Approach, 2nd Ed. McGraw Hill Co., 2003
• 3. Cengel, Y. A. and Ghajar, A. J., Heat and
Aug. 2016 MT/SJEC/M.Tech. 4
• 3. Cengel, Y. A. and Ghajar, A. J., Heat and
Mass Transfer - Fundamentals and Applications,
5th Ed., McGraw-Hill, New York, NY, 2014.
• 4. Incropera , Dewitt, Bergman, Lavine:
Fundamentals of Heat and Mass Transfer, 6th
Ed., Wiley Intl.

References… contd.
• 5. M. Thirumaleshwar: Software Solutions to
Problems on Heat Transfer – Boiling and
condensation - 2013
• http://bookboon.com/en/software-solutions-problems-
heat-transfer-boiling-ebookheat-transfer-boiling-ebook
Aug. 2016 MT/SJEC/M.Tech. 5

Mathcad Functions for
Boiling heat transfer
Contents:
• Functions for properties of sat. water and
steam- Nucleate boiling for water – heat
flux – crit. heat flux for: flat surface, horizl.flux – crit. heat flux for: flat surface, horizl.
cylinder – min. heat flux for horizl. surface
– Film boiling for horizl. surface , very
large dia tube, horizl. cylinder, sphere -
Nucleate boiling of water for submerged
horizl. and vertical surfaces
Aug. 2016 MT/SJEC/M.Tech. 6

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Mathcad Functions for Boiling heat transfer

1. Mathcad Functions for Boiling heat transfer by Dr. M. ThirumaleshwarDr. M. Thirumaleshwar formerly: Professor, Dept. of Mechanical Engineering, St. Joseph Engg. College, Vamanjoor, Mangalore, India

2. Preface • This file contains slides on Mathcad Functions for Boiling heat transfer. • The slides were prepared while teaching Heat Transfer course to the M.Tech.Heat Transfer course to the M.Tech. students in Mechanical Engineering Dept. of St. Joseph Engineering College, Vamanjoor, Mangalore, India, during Sept. – Dec. 2010. Aug. 2016 2MT/SJEC/M.Tech.

3. • Main focus is on the Mathcad Functions. • Example problems are shown only for a quick demonstration of using these Functions. • It is hoped that these Slides will be useful to teachers, students, researchers and professionals working in this field. • For students, it should be particularly useful• For students, it should be particularly useful to study and quickly solve the home-work problems. • Aug. 2016 3MT/SJEC/M.Tech.

4. References • 1. M. Thirumaleshwar: Fundamentals of Heat & Mass Transfer, Pearson Edu., 2006 • 2. Cengel Y. A. Heat Transfer: A Practical Approach, 2nd Ed. McGraw Hill Co., 2003 • 3. Cengel, Y. A. and Ghajar, A. J., Heat and Aug. 2016 MT/SJEC/M.Tech. 4 • 3. Cengel, Y. A. and Ghajar, A. J., Heat and Mass Transfer - Fundamentals and Applications, 5th Ed., McGraw-Hill, New York, NY, 2014. • 4. Incropera , Dewitt, Bergman, Lavine: Fundamentals of Heat and Mass Transfer, 6th Ed., Wiley Intl.

5. References… contd. • 5. M. Thirumaleshwar: Software Solutions to Problems on Heat Transfer – Boiling and condensation - 2013 • http://bookboon.com/en/software-solutions-problems- heat-transfer-boiling-ebookheat-transfer-boiling-ebook Aug. 2016 MT/SJEC/M.Tech. 5

6. Mathcad Functions for Boiling heat transfer Contents: • Functions for properties of sat. water and steam- Nucleate boiling for water – heat flux – crit. heat flux for: flat surface, horizl.flux – crit. heat flux for: flat surface, horizl. cylinder – min. heat flux for horizl. surface – Film boiling for horizl. surface , very large dia tube, horizl. cylinder, sphere - Nucleate boiling of water for submerged horizl. and vertical surfaces Aug. 2016 MT/SJEC/M.Tech. 6

7. Aug. 2016 7MT/SJEC/M.Tech.

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