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This document outlines the teaching methodology, course outline, recommended books, definitions, and applications of engineering thermodynamics for a lecture. It provides the following information: - The class will meet twice a week, with quizzes each class on the previous lecture. Grading will be based on quizzes, assignments, midterm, end term, and a project. - The course outline covers topics like the basic concepts, laws of thermodynamics, properties of pure substances, thermodynamic processes and cycles, entropy, and applications. - Recommended books include Fundamentals of Engineering Thermodynamics and Thermodynamics: An Engineering Approach. - Thermodynamics deals with the conversion of
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Basic mechanical engineering(BMET-101/102) unit 2 (part-2) thermodynamics law...
Download Link: https://sites.google.com/view/varunpratapsingh/teaching-engagements (Copy URL)
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The document summarizes an adiabatic process and the adiabatic law of compression and expansion. It then discusses:
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The document discusses isothermal and adiabatic processes. In an isothermal process, temperature remains constant while pressure and volume may change. Heat is slowly exchanged to maintain temperature. In an adiabatic process, the system is insulated and there is no heat exchange. For an ideal gas, the product of pressure and volume to the power of gamma remains constant in an adiabatic process, resulting in changes to both pressure and temperature as the gas expands or compresses. Combinations of these processes are used in heat engines, with work done equal to the net area under pressure-volume curves.
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- 1. LECTURE NO: 01 (8th April, 2013) Engr.Abdur Rafai abdurrafai29@gmail.com 0333-8171950 Jan 14, 2016 1
- 2. Teaching Methodology Lecture--------Two days a week Quiz will be approximately in each class. Topics covered in previous lecture will be coming in Quiz. Grading criteria Quizes -------------- 10% Assignments -------------- 10% Mid Term -------------- 20% End Term -------------- 40% Project -------------- 20% Jan 14, 2016 2
- 3. Course Outline Basic Concepts: The system, control volume, working substance, heat and work. State and properties, thermodynamic process and cycle First law of thermodynamics: first law of thermodynamics for a cycle,first law of thermodynamics for state change. Internal energy, enthalpy, specific heats. Ideal gas laws, equations of state. Jan 14, 2016 3
- 4. Course Outline Properties of pure substances. Phase diagram, use of steam tables. Thermodynamic processes relationship: Constant volume,Constant pressure, constant temperature, constant enthalpy and general law processes. Steady state and steady flow process, uniform state and uniform flow processes. Steady flow energy equation and steady flow devices. Jan 14, 2016 4
- 5. Course Outline Second law of thermodynamics: definitions, its applications. Reversible and irreversible processes Carnot cycle and thermodynamic temperature scale. Concept of entropy and its application to flow and non-flow processes. Enthalpy-entropy diagrams of working fluids. Thermodynamic cycles, efficiencies, and their applications. Jan 14, 2016 5
- 6. Course Outline Thermodynamic cycles, efficiencies, and their applications. Idealized P-V and T – S diagrams of cycles. Rankine cycle and its application. Difference between direct and reversed cycles. Concept of open and closed cycles. Complete Course Overview Jan 14, 2016 6
- 7. Books Recommended 1. Fundamentals of Engineering Thermodynamics,5th Edition By M.J. Moran and H.O. Shapiro 2.Thermodynamics, An Engineering Approach, 7th Edition By Yunus A. Cengel,Michael A. Boles McGraw-Hill Jan 14, 2016 7
- 8. Definition Thermodynamics is derived from two words: ‘Thermo’ which means ‘Heat energy’ and ‘Dynamics’ which means ‘conversion’ or ‘transformation’ Concisely, thermodynamics is a division of science that deals with conversion of energy from one form to another The main forms of energy of interest in engineering thermodynamics are heat and work Jan 14, 2016 8
- 9. Definition contd. Work is the form of energy useful in displacement of a body Heat is the form of energy transferred due to temperature gradient between two bodies Jan 14, 2016 9 (Joules)differenceeTemperaturSpecificMassHeat ××= (Joules)DistanceForceWork ×=
- 10. Applications of Engineering Thermodynamics Engineering application of thermodynamic principles is the design of various systems using fluid properties to cause energy transformation Applications in design of heat engines, refrigeration machines, air conditioning systems Jan 14, 2016 10
- 11. Quiz An apple “weighs” .0o8 kg and has a volume of 100 cm3 in a refrigerator at 80C. What is the apple density? Jan 14, 2016 11