Pof High Speed Flight

Question 1

Lss equation

Answer 1

38.95 x square root temp kelvin

Question 2

Mach equation

Answer 2

Tas/LSS

Question 3

What does having a higher mass do to MCRIT

Answer 3

Lower mcrit due to the greater aoa

Question 4

Mcrit relationship with aoa

Answer 4

Inversely proportional

Question 5

What does a thinner wing do to mcrit

Answer 5

Increase it

Question 6

What happens to stall speed during the transonic speed range

Answer 6

Increases due to compressibility

Question 7

What happens when an a/c accelerates through the transonic seed range

Answer 7

Static longitudinal stability increases

Question 8

What are the two components of wave drag above mcrit

Answer 8

Energy drag
Boundary layer separation

Question 9

What happens to the crit aoa when accelerating through the transonic speed range

Answer 9

Decreases due to compressibility

Question 10

What happens in a climb above the tropopause

Answer 10

TAs constant
Ias decrease

Question 11

What happens above/below the tropopause in a climb

Answer 11

CL increase

Question 12

What happens in a climb below the tropopause

Answer 12

Ias decrease
TAs constant

Question 13

What happens in a descent above the tropopause

Answer 13

TAS constant

Question 14

What happens in a descent above/below the tropopause

Answer 14

Cl decrease

Question 15

What happens in a descent below the tropopause

Answer 15

TAS increase

Question 16

What is shock stall made worse by

Answer 16

AOA

Question 17

What happens to the l/d ratio in the transonic speed

Answer 17

Decreases due to compressibility