Contents of Today S.J.T.U. Phase Transformation and Applications Review previous 1th law continuous Adiabatic process:Joule-Thomson expansion Equations of state Adiabatic compression or expansion Enthalpies of formation Enthalpy changes in chemical reactions Adiabatic temperature change in chemical reactions etc. SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 2 First Law ll
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 2 First Law II Contents of Today Review previous 1 th law continuous Adiabatic process: Joule-Thomson expansion Equations of state Adiabatic compression or expansion Enthalpies of formation Enthalpy changes in chemical reactions Adiabatic temperature change in chemical reactions etc
Index of nomenclature S.J.T.U. Phase Transformation and Applications Adiabatic绝热 Equations of State状态方程 Non-ideal Gases非理想气体 Enthalpies of Formation生成焓 Exothermic:放热 Endothermic:吸热 Enthalpy of combusion: 燃烧焓 Enthalpy Change in Chemical Reactions化学反应的焓变 AFT:adiabatic flame temperature:绝热燃烧温度 SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 2 First Law ll
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 2 First Law II Index of nomenclature Adiabatic绝热 Equations of State状态方程 Non-ideal Gases非理想气体 Enthalpies of Formation生成焓 Exothermic: 放热 Endothermic: 吸热 Enthalpy of combusion：燃烧焓 Enthalpy Change in Chemical Reactions化学反应的焓变 AFT: adiabatic flame temperature绝热燃烧温度 Index of nomenclature
热力学 S.J.T.U. Phase Transformation and Applications 热力学的研究内容 ·平衡状态的体系 •各种形式能量之间转换/能量守恒基础上 转换的方向及其限度 热力学的用处 解释变化过程的原因“为什么”的问题 SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 2 First Law ll
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 2 First Law II 热力学 热力学的研究内容 •平衡状态的体系 •各种形式能量之间转换/能量守恒基础上 •转换的方向及其限度 热力学的用处 解释变化过程的原因 “为什么”的问题
Review/Key points S.J.T.U. Phase Transformation and Applications The first law of thermodynamics is simply the principle of conservation of energy:that is,energy can be neither created or destroyed. To derive the practical benefits of knowing this principle, we must construct an accounting system for energy, sometimes called an energy balance. This system must handle flows of energy,such as heat and work,as well as the various forms of energy that matter possesses. To operate this accounting system,we will need to understand a series of basic notions and definitions. SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 2 First Law ll
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 2 First Law II Review / Key points • The first law of thermodynamics is simply the principle of conservation of energy: that is, energy can be neither created or destroyed. • To derive the practical benefits of knowing this principle, we must construct an accounting system for energy, sometimes called an energy balance. • This system must handle flows of energy, such as heat and work, as well as the various forms of energy that matter possesses. • To operate this accounting system, we will need to understand a series of basic notions and definitions
Review Key points S.J.T.U. Phase Transformation and Applications System/surroundings.系统环境 Open/close/isolated systems敞开封闭孤立 ·Thermal equilibrium/steady state平衡稳态 ·Heat/work热功 ·Internal energy内能热力学能 State function状态函数 ·Intensive/extensive properties强度容量性质 Enthalpy焓 ·Heat capacity热容 SJTU Thermodynamics of Materials Fall 2012 ©X.J.Jin Lecture 2 First Law ll
Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2012 © X. J. Jin Lecture 2 First Law II Review / Key points • System / surroundings系统环境 • Open / close / isolated systems敞开封闭孤立 • Thermal equilibrium / steady state平衡稳态 • Heat / work热功 • Internal energy内能热力学能 • State function状态函数 • Intensive / extensive properties强度容量性质 • Enthalpy焓 • Heat capacity热容