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1. Why do we model the heat transfer for gasoline piston engines as isochoric and that for turbine engines as isobaric?
2. For a typical engine operating speed of 4000 rpm, estimate the time needed for the gasoline and diesel fuel mixtures to burn, respectively
The of the fuel is 44 200 Wks, and the free air conditions are 1.013 bar and 15° C.
A 1 m long flat plate is heated with an electrical heater which supplies a uniform heat flux. Air at 25°C is flowing over the surface with a velocity 50 m/s. Plate surface temperature at x = 0.1 m is measured as: Tr = 71°C. Calculate the heat flux..
consider a 210mw steam power plant that operates on a simple rankine cycle. steam enters the turbine at 10mpa and 500oc
reinforced concrete highway pavement has a depth of 250 mm with 24 mm diameter steel rebars located 180 mm from the
a rigid tank of volume v1 0.15m3 initially contains water at t1 50oc. the water is heated until t2 300oc and p2
How does the cost concept affect accounting for operating assets? Under this concept, what is included in the cost of a fixed asset?
How did the Roman way of waging war contrast with the Greek way? What was accomplished by strategic bombing during World War II? What costs were borne by the nations that employed it?
consider steady heat conduction in a plane wall whose left surface node 0 is maintained at 40 degrees c while the right
The bracket plate is 25 mm thick. All rivets are to be of the same size. Load on the bracket, P = 50 kN ; rivet spacing, C = 100 mm; load arm, e = 400 mm. Permissible shear stress is 65 MPa and crushing stress is 120 MPa. Determine the size of the ri..
the molar volume cm3mol of a binary liquid mixture at t and p is given by v 120x170x215x18x2x1x2a find expressions for
The available bandwidth in a cluster is 1.25MHz. Find the number of channels per cell for the following systems:
Attraction of a Sphere Consider a uniform sphere with radius R and mass M, as shown in Figure 2.59. Determine the gravitational attraction force of M on a particle m at a distance a from the center of M.
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