Liquid nitrogen at 77.2 K (its saturation temperature) and 100 kPa is in a well-insulated flask having a surface temperature of 100 K. Estimate the convection heat transfer coefficient between the liquid nitrogen and the flask surface. The critical pressure of nitrogen is 33.54 atm.
What will be an ideal response?
Using Mostinski’s Equation 10-4 with 10-5 and Mathcad for the computations
You might also like to view...
Suppose that a bar magnet moves vertically upward toward the origin (point O), as shown below and left. 
In this situation, specify the directions of each of the vector quantities described below. Use the answer chart provided above and to the right (note that answers B and E refer to the +y and -y directions, respectively). What is the direction of 
at the origin (point O)?
A. A B. B C. C D. D E. E F. F T. Zero
If perihelion of Earth were noticeably closer to the sun than is currently the case, what would be the probable affect on the climate of the Southern Hemisphere?
a. Their winter season would be much colder than present. b. Their winter season would be much warmer than present. c. Their summer season would be much colder than present. d. Their summer season would be much warmer than present. e. Their would be no change in any of their seasonal temperatures.
As a moon in a very elliptical orbit moves closer to and then farther from a planet, gravity flexes the moon with tides, and friction heats the interior. This process is referred to as
a. tidal heating. b. occultation. c. vaporization. d. differentiation. e. sublimation.
Radioactive Decay: Plutonium has a half life of 2.4 × 104 years. How long does it take for 99.0% of the plutonium to decay?
A. 1.6 × 102 y B. 1.6 × 103 y C. 1.6 × 104 y D. 1.6 × 105 y E. 1.6 × 106 y