Engineering, 06.05.2021 03:30, Naysa150724
A horizontal, thin-walled concentric tube heat exchanger of 0.19-m length is to be used to heat deionized water from 40 to 60°C at a flow rate of 5 kg/s. The deionized water flows through the inner tube of 30-mm diameter while saturated steam at 1 atm is supplied to the annulus formed with the outer tube of 60-mm diameter. The thermophysical properties of the deionized water are ? = 982.3 kg/m, GR-4181 J/kg-K, k = 0.643 w/m·K H 548 x 10 N. s/m, and Pr- 3.56. Estimate the convection coefficients for both sides of the tube and determine the inner tube wall outlet temperature. Does condensation provide a fairly uniform inner tube wall temperature equal approximately to the saturation temperature of the steam?
Answers: 3
Engineering, 04.07.2019 12:10, Ryantimes2
On a average work day more than work place firs are reorted
Answers: 1
Engineering, 04.07.2019 18:20, safiyabrowne7594
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Engineering, 04.07.2019 18:20, moneywaydaedae
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
A horizontal, thin-walled concentric tube heat exchanger of 0.19-m length is to be used to heat deio...
Engineering, 10.12.2020 22:10
Geography, 10.12.2020 22:10
Mathematics, 10.12.2020 22:10
Mathematics, 10.12.2020 22:10
Physics, 10.12.2020 22:10