Properties of Cryogenic Fluids - nptel

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Self Assessment 6. Viscosity is zero at _________ 7. Boiling point of Helium is _________ 8. The thermal conductivity of He – I and He – II are _______ and __________ respectively. Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay 40
1. 20.3 K Answers 2. Hydrogen, Deuterium and Tritium. 3. Ortho Hydrogen 4. Para, Ortho 5. 2.17 K 6. Lambda point 7. 4.2 K 8. 0.024, 86500 Prof. M D Atrey, Department of Mechanical Engineering, IIT Bombay 41
Page 1 and 2: 3 1
Page 3 and 4: Outline of the Lecture • Hydrogen
Page 5 and 6: T - s diagram of Hydrogen T - s cha
Page 7 and 8: Hydrogen Hydrogen • The relative
Page 9 and 10: Ortho & Para Hydrogen Ortho - Hydro
Page 11 and 12: Hydrogen • Para form is a low ene
Page 13 and 14: Mass Mass fraction remaining in in
Page 15 and 16: • As temperature decreases, Para
Page 17 and 18: Helium Helium • Evidence of Heliu
Page 19 and 20: Critical Pt. 2.27 atm, 5.25 K 1 atm
Page 21 and 22: Helium Helium • The percentage of
Page 23 and 24: Pressure Helium Phase Diagram Solid
Page 29 and 30: First Order Phase Transition • Th
Page 31 and 32: Specific heat, kJ/kg-K kJ/kg 2 0 1
Page 33 and 34: ρ n or ρ 1 0.6 ρ s 0.8 0.4 0.2 S
Page 35 and 36: Super fluid Helium • Also, heat t
Page 37 and 38: Information Kaptiza was awarded Nob
Page 39: Self Assessment 1. Boiling point of

Properties of Cryogenic Fluids - nptel

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