into to thermodynamics 1

1. Ahmed Medhat - Thermodynamics 1 - ahmedhatfa@hotmail.com
Thermodynamics 1

2. Introduction
Ahmed Medhat - Thermodynamics 1 - ahmedhatfa@hotmail.com

3. Ahmed Medhat - Thermodynamics 1 - ahmedhatfa@hotmail.com
Thermodynamics
therme (heat)
dynamis (power)
mechanical, kinetic, potential,
electric, magnetic, chemical ……...
‫الطاقات‬ ‫ن‬
‫بي‬ ‫التحويل‬ ‫عملية‬ ‫بتتم‬ ‫اي‬‫ز‬‫ا‬ ‫تعرف‬ ‫عشان‬
,
‫تعرف‬ ‫محتاج‬
3
‫هم‬ ‫بس‬ ‫حاجات‬
:
1
.
‫؟؟‬ ‫ن‬
‫في‬ ‫بيتم‬ ‫ده‬ ‫التحول‬
2
.
‫ي‬
‫الل‬ ‫الخصائص‬ ‫ايه‬
‫بتتغي‬
‫بالضبط؟‬
3
.
‫؟؟‬ ‫ي‬
‫ن‬
‫منحن‬ ‫ي‬
‫عل‬ ‫الخصائص‬ ‫ي‬
‫ن‬
‫ف‬ ‫حصل‬ ‫ي‬
‫الل‬‫التغيي‬ ‫ترسم‬ ‫اي‬‫ز‬‫ا‬

4. Ahmed Medhat - Thermodynamics 1 - ahmedhatfa@hotmail.com
Thermodynamic System
Closed
Open
1
.
‫؟؟‬ ‫ن‬
‫في‬ ‫بيتم‬ ‫ده‬ ‫التحول‬

5. Ahmed Medhat - Thermodynamics 1 - ahmedhatfa@hotmail.com
Properties of system pressure(P), temperature (T),volume(V), density (ρ),mass(m),...etc.
Property
Intensive
properties
Extensive
properties
Specific volume v, which is defined as volume per unit mass.
2
.
‫ي‬
‫الل‬ ‫الخصائص‬ ‫ايه‬
‫بتتغي‬
‫بالضبط؟‬