thermal engineering homework

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• Prof. Kripa K Varanasi

Departments

• Mechanical Engineering

As Taught In

• Thermodynamics

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Introduction to heat transfer, course description.

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Introduction to Engineering Thermodynamics

Claire Yu Yan

Copyright Year: 2022

Publisher: BCcampus

Language: English

Formats Available

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Reviewed by Sean Moroney, Lecturer, Windward Community College on 12/24/22

The text builds outward from the basic concepts and definitions of the underlying physics, guiding the reader through thermodynamic properties and introducing the subject of gasses. From there, the First and Second Laws of Thermodynamics are... read more

Comprehensiveness rating: 3 see less

The text builds outward from the basic concepts and definitions of the underlying physics, guiding the reader through thermodynamic properties and introducing the subject of gasses. From there, the First and Second Laws of Thermodynamics are explored in some depth. Each Chapter and Section begins with some introductory text, followed by Examples. It is noted that the Solutions to the Examples seem to be written for students with some familiarity with Engineering Thermodynamics; this appears to be inconsistent with the book’s title, which is Introduction to Engineering Thermodynamics. It is recommended that the Sections be reviewed and edited to provide a sequence of problems of increasing complexity, with all steps delineated, for the training of the students in this field.

Content Accuracy rating: 5

The content of the subject of Classical Thermodynamics has, since the science developed, has, in its most basic level, not been subject to change, and, at the level of this text, is unlikely to ever change.

Relevance/Longevity rating: 5

Clarity rating: 4

The text is generally clear and easy to follow; the prose is accessible for any reader. As mentioned above, under Comprehensiveness, the Solutions for the Examples might need to be revisited with the view of making the steps, and their logic, more accessible to the student.

Consistency rating: 5

The Sections of each Chapter are formatted according to a consistent framework. The terminology, once defined, is used consistently. A Glossary is available for the user to check definitions of terms.

Modularity rating: 5

In using this book in a course, it would be fairly easy to define Reading and Problem assignments from specific Sections. Under the Chapter headings, there are Sections that are arranged in a logical and sequential order. The Sections contain text, followed by examples which are, in turn, followed by an external link to a website that contains Practice Problems. It should be fairly easy to assign the Sections in an Academic Calendar.

Organization/Structure/Flow rating: 5

The book was quite well organized. It began with basic definitions and moved along quickly to a presentation of the two Laws of Thermodynamics with a number of applications.

Interface rating: 3

The Left Menu provides for easy navigation from one region of the book to any other region. There was a large amount of white space throughout the book. For example, Chapter 3. Ideal and Real Gasses began on p. 80 with only the title at the top of the page; the following page was blank. The text of the Chapter began with the first Section on p. 82. The Appendices were the place where the Tables of Thermodynamic values were to be found. Some Tables, as in Appendix A, were long enough to spread over a number of pages. The students would then have had to retrieve values from these tables; they would have been inconvenienced by the absence of the column headings on each page; the headings were only to be found at the top of the first page. Some Tables, as, for example, Table B1: Saturated Ammonia, had its sixth and perhaps other columns terminated at the right edge of the page in the pdf display; only 2 digits of the values there were visible.

Grammatical Errors rating: 5

No grammatical errors (e.g., spelling, sentence structure, or the like) were detected.

Cultural Relevance rating: 5

There were no humans, or life-forms for that matter, anywhere in the book. It was strictly a technical book about thermodynamic concepts.

At the end of all the Sections, there is a link to one or more interactive H5P elements containing up to 10 Practice Problems. The Problems may be True or False Questions, text-based Multiple-Choice Questions, or mathematical Multiple-Choice Questions. A student may try one of these Problems and can select a wrong answer. The Problem will then respond with a blue button saying “Show Solution”. If the student has selected True and this is wrong, the Problem will then respond with the word “False”. This is not helpful for learning. Showing the Solution should involve presenting a complete rationale for why the original statement is indeed False. Similarly, a mathematical Question which is marked incorrect will simply have the correct answer displayed without any of the calculations leading to the answer. Clearly, this is unhelpful for students who are receiving this course as an Introduction.

Table of Contents

• Licensing Info
• About the Author
• Acknowledgments
• Accessibility Statement
• For Students: How to Access and use this Textbook
• For Instructors
• Nomenclature
• 1. Basic Concepts and Definitions
• 2. Thermodynamic Properties
• 3. Ideal and Real Gasses
• 4. The First Law of Thermodynamics for Closed Systems
• 5. The First Law of Thermodynamics for a Control Volume
• 6. Entropy and the Second Law of Thermodynamics 
• Appendix A: Thermodynamic Properties of Water
• Appendix B: Thermodynamic Properties of Ammonia
• Appendix C: Thermodynamic Properties of R134a
• Appendix D:   Thermodynamic Properties of Carbon Dioxide
• Appendix E: Critical Properties of Selected Fluids
• Appendix F: Triple Point of Selected Substances
• Appendix G: Properties of Various Substances
• Glossary 
• Versioning History

Ancillary Material

About the book.

The book is most suitable for a one-term, introductory engineering thermodynamics course at the undergraduate level. It may also be used for self-learning of fundamental concepts of classical thermodynamics.

About the Contributors

Dr. Claire Yu Yan is an associate professor of teaching in the School of Engineering, Faculty of Applied Science, University of British Columbia, Okanagan. She teaches core engineering courses in the field of thermofluids, such as thermodynamics, fluid mechanics, fluid machinery, and heating, ventilation, and air conditioning (HVAC). In the past years, Dr. Yan has taught several thousands of students of diverse backgrounds. She has a strong passion for teaching innovations, in particular, open and engagement pedagogies and strives to make sustained contributions to support holistic student success and wellbeing through her teaching practices and scholarship of teaching and learning. Beyond teaching, Dr. Yan is an active contributor to UBC and the broader communities through her outreach program and committee work. Dr. Yan is a registered P.Eng. with EGBC (Engineers and Geoscientists BC), and a member of CEEA (Canadian Engineering Education Association) and ASEE (American Society for Engineering Education).

Email:   [email protected]

Website:  https://engineering.ok.ubc.ca/about/contact/yu-claire-yan/

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Thermodynamics

Homework sets, helpful and interesting links.

Homework Set B

Please read the Problem Solving Guideline before beginning any problems and take the Quiz .

Please read the rules before beginning any problems.

Set 1 Reading Assignment: Chapter 1: Introductory Concepts and Definitions (ALL), Chapter 3: Evaluating Properties (ALL except 3.3.2, 3.3.5, 3.4, 3.5, 3.6, 3.7). Also, read section, "Evaluating Properties Using the Ideal Gas Model," paying special attention to example problem 3.7.

Problem 1 , Problem 2 , Problem 3 , Problem 4 , Problem 5 , Problem 6 , Problem 7 , Survey Set 1

Set 2 Reading Assignment: Chapter 3: Evaluating Properties (ALL except 3.3.2, 3.3.5, 3.4, 3.5, 3.6, 3.7). Also, read section, "Evaluating Properties Using the Ideal Gas Model," paying special attention to example problem 3.7.

Problem 1 , Problem 2 , Problem 3 , Problem 4 , Problem 5 , Problem 6 , Problem 7 , Problem 8 , Survey Set 2

Set 3 Reading Assignment: Chapter 3: Evaluating Properties, sections 3.3.2, 3.3.5, 3.4, 3.5, 3.6, 3.7. Chapter 2: Energy and the First Law of Thermodynamics (ALL except 2.6). Chapter 4: Control Volume Analysis Using Energy (ALL except 4.4. Note: 4.3.3 is most inportant and has several excellent examples).

Problem 1 , Problem 2 , Problem 3 , Problem 4 , Problem 5 , Problem 6 , Problem 7 , Survey Set 3

Set 4 Reading Assignment: Chapter 4: Control Volume Analysis Using Energy, section 4.4: Transient and Closed Systems

Problem 1 , Problem 2 , Problem 3 , Problem 4 , Problem 5 , Problem 6 , Problem 7 , Problem 8, Survey Set 4

Set 5 Reading Assignment: Chapter 3: Evaluating Properties, sections 3.3.2, 3.3.5, 3.5, 3.6, 3.7, on Cp and latent heats.

Problem 1 , Problem 2 , Problem 3 , Survey Set 5

Set 6 Reading Assignment: Chapter 5: The Second Law of Thermodynamics, sections 5.1, 5.2. Chapter 6: Using Entropy (ALL).

Problem 1 , Problem 2 , Problem 3 , Problem 4 , Problem 5 , Problem 6 , Problem 7 , Problem 8 , Problem 9, Survey Set 6

Set 7 Reading Assignment: Chapter 2: Energy and the First Law of Thermodynamics, section 2.6. Chapter 5: The Second Law of Thermodynamics, sections 5.3, 5.5, 5.6. Chapter 8: Vapor Power Systems (ALL). Chapter 10: Refrigeration and Heat Pump Systems (ALL except 10.7).

Problem 1 , Problem 2 , Problem 3 , Problem 4 , Problem 5 , Problem 6 , Problem 7 , Problem 8, Survey Set 7

Heat Transfer in Electronic Systems

Credit hours:, learning objective:, description:.

Traditional and innovative methods for heat dissipation from electronic systems, and assessment of these methods over a range of applications and scales, will be covered. Special emphasis is given to industry applications with guest lectures to be delivered by experts to discuss thermal management trends.

Topics Covered:

Prerequisites:, applied / theory:, web content:, computer requirements:, proed minimum requirements:, instructor(s), justin weibel.

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