Definition of fluid A fluid is a substance which deforms continuously when subjected to external shearing forces. Characteristics ...
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Stress, Tensile stress, Compressive stress, Shear stress
Stress When a material is subjected to an external force, a resisting force is set up within the component. The internal resistance force pe...
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Elasticity, Plasticity and Strain hardening
Elasticity This is the property of a material to regain its original shape after deformation when the external forces are removed. When the...
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First law of thermodynamics
First law of thermodynamics The first law of thermodynamics is the thermodynamic expression of the conservation of energy . This law most ...
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Constant Volume process , Constant Pressure Process,Constant temperature Process and reversible adiabatic process
Constant Volume process Heating of gas enclosed in a rigid vessel: dU = dQ or U 2 - U 1 , Q = m C v (T 2 – ...
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Tables of thermodynamic properties
Tables of thermodynamic properties Tables of thermodynamic properties of many substances are available, and in general, all these have...
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Pressure versus temperature (P-T), Pressure vs. volume(P-v), Temperature vs. volume (T-v), Temperature vs. entropy (T-s), Enthalpy vs. entropy(h-s), Pressure vs. enthalpy (P-h)
Pressure versus temperature (P-T), Pressure vs. volume(P-v), Temperature vs. volume (T-v), Temperature vs. entropy, (T-s) Enthal...
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Compressibility factors
Compressibility factors The deviation from ideal behavior of a gas is expressed in terms of the compressibility factor Z, which is defined a...
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Real gases and Van der waals equation of state
Real gases and Van der waals equation of state The ideal gas law is only an approximation to the actual behavior of gases. At high densi...
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Relation between two specific heats
Relation between two specific heats The two specific heats are related to each other. h= u + Pv or dh = du + d(Pv) For an ide...
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