Basic Concepts in Thermodynamics

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Basic Concepts in Thermodynamics

• P M V Subbarao
• Professor
• Mechanical Engineering Department
• I I T Delhi

Thorough Familiarization of Simple Premises..
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Heart as a Thermodynamics System
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Operation of Left Ventricle
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Cyclic Operation of Heart
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Cyclic Operation of deceased Heart
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LPG Stove
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Schematic Diagram of LPG Stove
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Electric Stove
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Identification of Properties

• (a) Colour of a filament
• (b) Age of a vehicle tire
• (c) Life of a bulb
• (d) Specific heat of a solid
• (e) Pressure
• (f) Temperature
• (g) heat
• (h) Calorific value of a fuel.

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Colour is due to Incandescence
Incandescence is the emission of light (visible
electromagnetic radiation) from a hot body as a
result of its temperature.
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Spectral Analysis of Incandescent Filament
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Age of A Vehicle Tyre
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Made as Property
Tires Manufactured Before 2000
In the example aboveDOT EJ8J DFM 408
DOT EJ8J DFM 408 Manufactured during the 40th week of the year
DOT EJ8J DFM 408 Manufactured during the 8th year of the decade
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Made as Property
Tires Manufactured Since 2000
In the example aboveDOT U2LL LMLR 5107
DOT U2LL LMLR 5107 Manufactured during the 51st week of the year
DOT U2LL LMLR 5107 Manufactured during 2007
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Specific Heat Is it a Property ? Or
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