Introduction to Thermodynamics for CSIR NET Ik By- Aarasi
Content to be covered Definitions 0 System and its types Property and Process I Equilibrium 0 Control Volume d Concept of Continuum
Thermodynamics He t Movement/ transfer Deals with energy transfer and I Its effect on property of system
System D Types of System 1. Open System 2. Close System 3. Isolated System 4. Adiabatic System Boundary Syste Surrounding
Property 1 Characteristics used to describe the state or condition of the system Eg. Pressure, temperature, composition, colour Types of Property 0 Intensive property: independent to strength/mass. eg: density, pressure Extensive property: depend on mass/extent of system. eg: energy, entropy Process d Any change in the state of system undergoes from one equilibrium to other will execute a process Types of Process I Reversible process I Irreversible process D Cyclic process 0 Quasi-static process
Reversible Proces as Aeureusible Process Oreli Proces the me 2> Renersihle 2
Equilibrium 0 Absence of tendency for spontaneous change in the value of microscopic property of system in isolated from Thermodynamic Equilibrium When the body is in 1. Mechanical Equilibrium 2. Thermal Equilibrium 3. Chemical Equilibrium 4. Phase Equilibrium
Control volume 0 Any region in space which is separated from its environment by a control surface which may be physical/imaginary. Steam out Water in
Concept of Continuum 0 A small volume of the system is compared to the whole system. 0 This volume is bigger than the microscopic level. Allow us to treat property as a point function. Property vary continuously in space.
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