3. Determine the size of a spherical balloon required to lift an payload of 1360 kg. The gas to be used is helium at 101.3 kPa and 23°C. The surrounding air is at 1.012 bars and at 10 deg C... Solution : ATR 101.3 kPa 283 K WV, He IVAIR 101.3 kPa 296 K WPL Answer: D= E _m

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...
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Thermodynamics. Need cancellation of methods
e
oxide
on
The physical properties of the gas are:
1
6.5
Tc
Pc
I MW
7.0,
Propane
369.9 K
665.8 R
42.0 atm
44
Butane
425.17 K
765.31 R
37.47 atm
AIR
101.3 kPa
283 K
58
IV,
3.
Determine the size of a spherical balloon required to lift a
payload of 1360 kg. The gas to be used is helium at 101.3 kPa
and 23°C. The surrounding air is at 1.012 bars and at 10 deg C.
Solution :
IVAIR
101.3 kPa
296 K
Pentane
469.8 K
845.64 R
33.3 atm
WFL
Answer: D=
72
E
_m
Transcribed Image Text:e oxide on The physical properties of the gas are: 1 6.5 Tc Pc I MW 7.0, Propane 369.9 K 665.8 R 42.0 atm 44 Butane 425.17 K 765.31 R 37.47 atm AIR 101.3 kPa 283 K 58 IV, 3. Determine the size of a spherical balloon required to lift a payload of 1360 kg. The gas to be used is helium at 101.3 kPa and 23°C. The surrounding air is at 1.012 bars and at 10 deg C. Solution : IVAIR 101.3 kPa 296 K Pentane 469.8 K 845.64 R 33.3 atm WFL Answer: D= 72 E _m
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