PoF at FernUniversität in Hagen

Flashcards and summaries for PoF at the FernUniversität in Hagen

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Exemplary flashcards for PoF at the FernUniversität in Hagen on StudySmarter:

Normal Shock Wave:


Flow Direction Change?

Effect on velocity and Mach Number?

Effect on static pressure and Density?

Effect on energy or total pressure?

Exemplary flashcards for PoF at the FernUniversität in Hagen on StudySmarter:

Oblique Shock Wave:


Flow Direction Change?

Effect on velocity and Mach Number?

Effect on static pressure and Density?

Effect on energy or total pressure?

Exemplary flashcards for PoF at the FernUniversität in Hagen on StudySmarter:

Expansion Wave:


Flow Direction Change?

Effect on velocity and Mach Number?

Effect on static pressure and Density?

Effect on energy or total pressure?

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Exemplary flashcards for PoF at the FernUniversität in Hagen on StudySmarter:

Area ruling 

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Supercritical Aerofoil

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Wing sweep

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Aerodynamic ceiling

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Exemplary flashcards for PoF at the FernUniversität in Hagen on StudySmarter:

buffet onset machnumber

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Vortex Generator

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Mcrit

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Input Arti. Feel System

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Bow wave

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Exemplary flashcards for PoF at the FernUniversität in Hagen on StudySmarter:

PoF

Normal Shock Wave:


Flow Direction Change?

Effect on velocity and Mach Number?

Effect on static pressure and Density?

Effect on energy or total pressure?

Flow Direction Change?

No Change


Effect on velocity and Mach Number?

Decrease to subsonic


Effect on static pressure and Density?

Great increase


Effect on energy or total pressure?

Great decrease


- Always exsist when flightspeed = transonic

- Only exsist when airflow ahead of wave = supersonic

- LSS after Wave = higher 

- At Stagnation Point

PoF

Oblique Shock Wave:


Flow Direction Change?

Effect on velocity and Mach Number?

Effect on static pressure and Density?

Effect on energy or total pressure?

Flow Direction Change?

Flow into a concave corner


Effect on velocity and Mach Number?

Decrease, but still supersonic


Effect on static pressure and Density?

Increase


Effect on energy or total pressure?

Decrease

PoF

Expansion Wave:


Flow Direction Change?

Effect on velocity and Mach Number?

Effect on static pressure and Density?

Effect on energy or total pressure?

Flow Direction Change?

Flow around a convex corner


Effect on velocity and Mach Number?

Increase to higher supersonic


Effect on static pressure and Density?

Decrease


Effect on energy or total pressure?

No change

PoF

Area ruling 

- reduces wave drag

PoF

Supercritical Aerofoil

- weak normal shock wave


- higher aspect ratio

- less sweepback

- improved low speed characteristics


- wave drag

PoF

Wing sweep

Disadv:

- negative influence on stall characteristics

- increases stall speed


Adv:

- higher shock stall mach number


A320:

- Increased drag rise m.number

- Increased shock stall m.number

PoF

Aerodynamic ceiling

- Low speed & high speed Buffet are the same


- Highest ALT without buffeting


- Stall caused by:

                  - exceeding the crit. AoA

                  - high mach number


PoF

buffet onset machnumber

Increasing AoA: decrease


PoF

Vortex Generator

- reduce airflow seperation


- mix with free stream air

PoF

Mcrit

- At: First local sonic airflow

- Speed just after exceeding: Subsonic


PoF

Input Arti. Feel System

- Flight Speed 

- Stabiliser Position


- B737

PoF

Bow wave

M= 1,3

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Bürgerliches Recht I

Staats- und Verfassungsrecht

Externes Rechnungswesen

Grundlagen Insolvenzrecht (Bork)

Staatsorganisationsrecht

Schuldrecht AT

Rechnungswesen

Familienrecht

POM at

TU München

POR at

Hochschule für Wirtschaft und Recht Berlin

POL at

TU Dresden

POR at

Universität Bielefeld

POR at

Universität Münster

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