Tranquillus, Analysis Data Item Vol. 2

Page 10

In Cruise segment:

Treq

9226 lb

Tavail

11845 lb

CL RCr ,V CTS

0.37 deg. 0.4979 567.8 nm

Range at constant Altitude:

For aircraft equipped with jet engines:  1.677  1  CL AR   Rh  CTS   WCr  WCr  WFCr    cJ  S w  CD 

Eqn.(1)

The airplane drag coefficient is calculated from: C D  C D 0,Clean  BDPclean C L2AR

Eqn.(2)

The optimum lift coefficient during the cruise for aircraft equipped with jet engine is defined as: CLopt

max R

CD 0,Clean 3BDPClean

Eqn.(3)

The constant flight speed during cruise is calculated from:

U1 

2WCr  WFCr

C L S w

Eqn.(4)

AR

C LAR

0.4150

Treq

9226 lb

Tavail

11845 lb

U1 C Lopt , MaxR

0.37 deg 475.00 kts. 0.4157

RCr ,h CTS Altitude

2849.7 nm 37800 ft.

10


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