Engineering, 15.11.2019 13:31 sctenk6052
Air at 30°c and 760 mm of pressure flows over a flat plate at a speed of 1.2 m/sec. calculate the boundary layer thick- ness at a distance of 15 cm and 30 cm from the leading edge of the plate. also calculate the mass of air flowing between x=15cm and x=30 cm
Answers: 1
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
Engineering, 04.07.2019 18:10
Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?
Answers: 3
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
Answers: 3
Engineering, 04.07.2019 19:10
Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
Answers: 3
Air at 30°c and 760 mm of pressure flows over a flat plate at a speed of 1.2 m/sec. calculate the bo...
Mathematics, 26.02.2020 21:30