1. Hand-calculate the maximum allowable TSFC for cruise requirement (20 points)
ID: 1867247 • Letter: 1
Question
1. Hand-calculate the maximum allowable TSFC for cruise requirement (20 points) Distance, km Fuel used, kg Description Taxi Takeoff Climb and acceleration Cruise Descent Loiter (30 min at 9-km altitude) Land and taxi 200 840 5,880 50,240 1,090* 2,350 330 10.650 140 600 11,120 61,200 These fuel consumptions can be considered to be constant. Consider the fuel consumption values for the HP-1 aircraft as listed in the table above for the different mission segments. Assume the aircraft starts to cruise at 11 km altitude with a weight of 1,577,940 N. Find the allowable TSFC for a cruising distance of 10,650 km for the following cases: a. Assume the aircraft performs a cruise climb (flies at a constant Co/C?). What is its altitude at the end of the cruise climb? b. Assume the aircraft cruises at a constant altitude of 11 km. Determine Co/Ci at the start and end of the cruise. Using the average of these two values, find the allowable TSFCExplanation / Answer
Answer -a Altitude at the end of the cruise climb will be 11 km.this concept of the altitude is already given in question.
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