subject
Engineering, 23.08.2019 01:20 rosepotato789

Athin walled tube is carrying hydrogen gas at a concentration of 3 kg/m^3. if the pipe wall is 6 mm thick and the diffusivity of hydrogen in the pipe material is 4.5x10^-5 m^2/s. a. what is the rate of loss (flux) of hydrogen to the outside atmosphere by diffusion through the wall? b. how much hydrogen will escape in 24 hours if the pipe is 21mm in diameter and 24 meters long?

ansver
Answers: 3

Another question on Engineering

question
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
question
Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
question
Engineering, 04.07.2019 18:10
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
question
Engineering, 04.07.2019 18:20
Find the minimum film thickness for a journal bearing with the data below. shaft diameter, d-50 mm, clearance ratio, cdratio? 0.001, shaft speed, n 2000 rpm; bearing length. i 200 mm; eccentricity ration, ? -0.55. ( note, cdratio-ca/d) the minimum film thickness is um
Answers: 2
You know the right answer?
Athin walled tube is carrying hydrogen gas at a concentration of 3 kg/m^3. if the pipe wall is 6 mm...
Questions
question
Biology, 07.06.2021 04:20
question
Health, 07.06.2021 04:20
question
Mathematics, 07.06.2021 04:20
question
Mathematics, 07.06.2021 04:20
question
Mathematics, 07.06.2021 04:20
Questions on the website: 13722361