Pof High Speed Flight Flashcards

1
Q

Lss equation

A

38.95 x square root temp kelvin

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2
Q

Mach equation

A

Tas/LSS

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3
Q

What does having a higher mass do to MCRIT

A

Lower mcrit due to the greater aoa

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4
Q

Mcrit relationship with aoa

A

Inversely proportional

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5
Q

What does a thinner wing do to mcrit

A

Increase it

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6
Q

What happens to stall speed during the transonic speed range

A

Increases due to compressibility

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7
Q

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

A

Static longitudinal stability increases

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8
Q

What are the two components of wave drag above mcrit

A

Energy drag
Boundary layer separation

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9
Q

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

A

Decreases due to compressibility

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10
Q

What happens in a climb above the tropopause

A

TAs constant
Ias decrease

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11
Q

What happens above/below the tropopause in a climb

A

CL increase

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12
Q

What happens in a climb below the tropopause

A

Ias decrease
TAs constant

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13
Q

What happens in a descent above the tropopause

A

TAS constant

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14
Q

What happens in a descent above/below the tropopause

A

Cl decrease

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15
Q

What happens in a descent below the tropopause

A

TAS increase

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16
Q

What is shock stall made worse by

A

AOA

17
Q

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

A

Decreases due to compressibility