AIRPLANE DATA t - 4.3 sQ. FT. w - 12,000 LBs, b- 38 FT. •- 90 o - 1.00 STD. SEA LEVEL DRAG RISE 5000 DUE TO COMPRESSIBILITY 4000 3000 STALL PARASITE DRAG TOTAL DRAG 2000 (L), MAX 1000 INDUCED DRAG 100 200 300 400 500 600 VELOCITY KNOTS DRAG, LBS.

AIRPLANE DATA t - 4.3 sQ. FT. w - 12,000 LBs, b- 38 FT. •- 90 o - 1.00 STD. SEA LEVEL DRAG RISE 5000 DUE TO COMPRESSIBILITY 4000 3000 STALL PARASITE DRAG TOTAL DRAG 2000 (L), MAX 1000 INDUCED DRAG 100 200 300 400 500 600 VELOCITY KNOTS DRAG, LBS.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

3. Figure 1.35 indicates the velocity for (L/D)max occurs at 160 knots. What is the power required at this speed?

AIRPLANE DATA
f = 4,3 SQ. FT.
w = 12,000 LBS.
b- 38 FT.
e - 90
O = 1,00
STD. SEA LEVEL
DRAG RISE
5000
DUE TO
COMPRESSIBILITY
4000
3000
STALL
PARASITE DRAG
TOTAL DRAG
2000
Oo MAX
1000
INDUCED DRAG
100
200
300
400
500
600
VELOCITY KNOTS
Figure 1.35. Typical Airplane Drag Curves
DRAG, LBS.

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