Physics, 17.07.2019 22:20 zitterkoph
Aramjet is shown in supersonic flight. the total pressure recovery is nd 0.90 and the nozzle is u expanded (note that po po). nder. calculate (a) ram temperature and pressure ratios, tr and π (b) the total temperature at the combustor exit, ts in k and the corresponding τλ (c) exhaust velocity, v9, in m/s (d) pressure thrust as a fraction of nozzle momentum nv9n9 thrust, 1.e., (e) the propulsive efficiency of the ramjet, np (note that the nozzle is not perfectly expanded, so you need to calculate v9eft) (1) thrust-specific fuel consumption, tsfc, in mg/s/n and lbm/hr/lbf
Answers: 1
Physics, 22.06.2019 14:40
A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.
Answers: 1
Physics, 22.06.2019 15:30
Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)
Answers: 3
Aramjet is shown in supersonic flight. the total pressure recovery is nd 0.90 and the nozzle is u ex...
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