Adiabatic process - PowerPoint PPT Presentation

CHAPTER

CHAPTER

MEC 451 Thermodynamics. CHAPTER. 3. Lecture Notes: MOHD HAFIZ MOHD NOH HAZRAN HUSAIN & MOHD SUHAIRIL Faculty of Mechanical Engineering Universiti Teknologi MARA, 40450 Shah Alam, Selangor. First Law of Thermodynamics. For students EM 220 and EM 221 only.

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ITK-233 Termodinamika Teknik Kimia I

ITK-233 Termodinamika Teknik Kimia I

ITK-233 Termodinamika Teknik Kimia I. Dicky Dermawan www.dickydermawan.net78.net dickydermawan@gmail.com. 3 sks. 2 - PVT Behavior of Fluid, Equation of State. P – T Diagram P – v Diagram. T-v Diagram. Equation of State.

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第 4 章 理想气体的热力过程 Chapter 4 Thermodynamic processes of Ideal Gas

第 4 章 理想气体的热力过程 Chapter 4 Thermodynamic processes of Ideal Gas

第 4 章 理想气体的热力过程 Chapter 4 Thermodynamic processes of Ideal Gas. 4.1 基本热力过程 Basic thermodynamic processes --- p.134,p.313 4.2 多变过程 Polytropic process ---P.135 4.3 活塞式压气机的理论压缩过程 Theoretical compression process ---P.336 4.4 多级压缩中间冷却

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Chapter 3 The second law

Chapter 3 The second law

Chapter 3 The second law. A spontaneous direction of change: the direction of change that does not require work to be done to bring it about. 3.1 The second law.

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Ch 5 – Vertical Motion & Stability

Ch 5 – Vertical Motion & Stability

Ch 5 – Vertical Motion & Stability. Ch 5 – Vertical Motion & Stability. Introduction In the previous chapter, we concentrated on the causes and characteristics of the wind; that is, the horizontal part of three-dimensional atmospheric motions.

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The First Law of Thermodynamics

The First Law of Thermodynamics

Chapter 19. The First Law of Thermodynamics. Thermodynamics.

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CHAPTER II

CHAPTER II

CHAPTER II. 22 Systems with Variable Amount of Matter. The Chemical Potential. A system with constant quantity of matter is called “ 闭 系 ” A system exchanged matter with external is called “ 开 系 ” Let us turn now to these thermodynamic systems. The examples of matter change:

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Thermodynamics versus Statistical Mechanics

Thermodynamics versus Statistical Mechanics

Thermodynamics versus Statistical Mechanics Both disciplines are very general, and look for description of macroscopic (many-body) systems in equilibrium There are extensions (not rigorously founded yet) to non-equilibrium processes in both

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IV. Kinetic theory (continued – see previous lecture)

IV. Kinetic theory (continued – see previous lecture)

IV. Kinetic theory (continued – see previous lecture). 5. Heat capacitance a) Monoatomic gas. }. b) Equipartition principle. Degrees of freedom. Diatomic gas, including rotations:. Diatomic gas, including rotations and vibrations:.

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Chapter 1 Concepts of Thermodynamics and Properties of Gases

Chapter 1 Concepts of Thermodynamics and Properties of Gases

Chapter 1 Concepts of Thermodynamics and Properties of Gases. Introduction. Thermodynamics is a branch of science and engineering that deals with interaction of energy mainly in the forms of heat and work. There are different forms of energy : all the energy cannot be used as a work.

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Chapter 5 Continued : More Topics in Classical Thermodynamics

Chapter 5 Continued : More Topics in Classical Thermodynamics

Chapter 5 Continued : More Topics in Classical Thermodynamics. Einstein on Thermodynamics (1910). “A theory is the more impressive the greater the simplicity of its premises , and the more extended its area of applicability .”

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Work of Expansion System not in mechanical equilibrium w/environment will expand or contract

Work of Expansion System not in mechanical equilibrium w/environment will expand or contract

Ch 4: 1 st Law of Thermodynamics. Work of Expansion System not in mechanical equilibrium w/environment will expand or contract Assume S is surface of our system that expands infinitesimally to S ′ in direction ds

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Announcements 1/26/11

Announcements 1/26/11

Announcements 1/26/11. Prayer Please do this “Quick Writing” assignment while you’re waiting for class to start:

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Tutorial 1

Tutorial 1

Tutorial 1. By Miss Anis Atikah Ahmad. Question 1. Calculate C P of 586 g of CH 4 (g) at 2000K and 1 bar if C P,m of CH 4 at 2000 K and 1 bar is 94.4 Jmol -1 K -1. Question 1. Recall Find n; Thus;. Value is not given. Question 2.

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Announcements 9/20/10

Announcements 9/20/10

Announcements 9/20/10. Demo: constant volume change (hopefully working today) Do this “Quick Writing” assignment while you’re waiting:

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Demo

Demo

Demo. Constant volume change, aka “alcohol rocket”. Thought question. How will the temperature of the gas change during this process from A to B? Increase Decrease First increase, then decrease First decrease, then increase Stay the same. Reading quiz. What is “C V ”? heat capacity

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Outline

Outline

Myneni Lecture 13: Lapse-Rates Feb-23-05 (1 of 10). Natural Environments: The Atmosphere GG 101 – Spring 2005 Boston University. Further Reading: Chapter 06 of the text book. Outline. - adiabatic processes. - dry and wet adiabatic lapse rates. - ascent versus descent. Myneni

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Physics 114 – Lecture 42

Physics 114 – Lecture 42

Physics 114 – Lecture 42. Chapter 15 The Laws of Thermodynamics Thermodynamics involves the study of processes where energy is converted into heat and work, c.f., the steam engine, the internal combustion engine, …

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Examples of Chapter 4

Examples of Chapter 4

Examples of Chapter 4. Example (Problem 4.1) The specific heat capacity c v of solids at low temperature is given by the Debye T 3 law: The quantity A is a constant equal to 19.4 x 10 5 J Kilomole -1 K -1 and θ is the Debye temperature, equal to 320K for NaCl.

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Thermodynamic Processes

Thermodynamic Processes

Thermodynamic Processes. States of a thermodynamic system can be changed by interacting with its surrounding through work and heat. When this change occurs in a system, it is said that the system is undergoing a process .

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