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Class Notes for Aerospace at Ryerson University (page 2)

AER 403 Lecture Notes - Lecture 4: Inverse Trigonometric Functions
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AER 403 W3 Relative acceleration AtC +AnC =AtB +AnB +AtCB +AnCB AC Abs AB Ref ACB Rel Acceleration equation forms a vector polygon, and only two unknowns can be solved. However, since angular velocities are predet...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture 5: AER 403 W5
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AER 403 W5 Coriolis acceleration Coriolis acceleration occurs when the body not only rotates, but also translates at the same time. In this case, RA varies, not constant. RA =RAej A The absolute linear velocity ...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 6: At4
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AER 403 W6 Example 6.5 (Cont.) Solution: 1) (Angular and linear) velocity 2 = V2 / r2 = 30/1.5 = 20 rad/s (CW) 4 = V4 / r4 = 20/2 = 10 rad/s (CCW) Displacement r r r rej180 rej 2 rej( 4 180) 124124 j rej 2 Vej( 4 1...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 28: Damping Ratio, Shock Absorber, Load Profile
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AER 403 W 27 Course outline Introduction Shock response spectrum Shock isolation Damping effect Transmitting force Energy method Vibration assignment #4 Text: Chapter 4 24, | 33 Energy method ...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture 8: AER 307 W8
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Mechanisms & Vibrations Introduction to vibrations Course outline Oscillatory motion Free vibration (natural frequency) Effective mass Damped free vibration Vibration measurement Vibration lab 1 and assi...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 25: Damping Ratio
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AER 403 W 25 Shock response spectrum Shocks can be further divided into Short duration pulses, t1</5 (approximate as an impulse) Long duration pulses, t1>/5 (shape is considered) The main concern in shock is...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 1: Acceleration, Angular Acceleration, Dot Product
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Mechanisms & Vibrations Acceleration Analysis Course outline Acceleration analysis Normal and tangential acceleration Relative acceleration Coriolis acceleration Mechanism assignment #4: acceleration analys...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 27: Damping Ratio, Inverse Trigonometric Functions
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AER 403 W 27 Course outline Introduction Shock response spectrum Shock isolation Damping effect Transmitting force Energy method Vibration assignment #4 Text: Chapter 4 24, | 28 Transmitting for...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 26: Damping Ratio, Inverse Trigonometric Functions, Step Response
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AER 403 W 26 the pulse duration the natural frequency. Other impulse shapes are bounded by a rectangle, and hence the rectangular excitation represents the upper bound. 6t1< or n</3t1 fn<1/6t1 The natural perio...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 24: Damping Ratio
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AER 403 W 24 Example 11.1 step excitation Determine the response of a spring-mass system to a step excitation The impulse response is h(t)=(1/mn) sinnt The response to a step excitation is x(t) F( )h(t )d ...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 2: Angular Acceleration, Acceleration, Volt-Ampere
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AER 403 W2 Angular acceleration From example 4.1, r1 = 30, r2 = 10, r3 = 40, r4 = 20, and angular velocities are 2 = 62.8 rad/s (CCW) 3 = 8 rad/s (CCW) 4 = 43 rad/s (CCW) Determine 3 and 4 Question? Why are there 3...

Aerospace
AER 403
Fengfeng Xi
AER 403 Lecture Notes - Lecture 23: Damping Ratio, Shock Absorber, Hydraulic Fluid
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AER 403 W 23 Mechanisms & Vibrations Transient Vibrations Course outline Introduction Shock response spectrum Shock isolation Damping effect Transmitting force Energy method Vibration assignment...

Aerospace
AER 403
Fengfeng Xi
AER 318 Lecture Notes - Lecture 3: Bombardier Global Express, Development Hell, Chase Plane
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True to its style, Bombardier slipped once or twice more following the March unveiling. The test flight which had been scheduled to take place that June was pushed aheadonce more into the summer, and then delayed again...

Aerospace
AER 318
Mark Tollefson
AER 318 Lecture Notes - Lecture 1: Bombardier Cseries, Monopoly Money, The Fortunes
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Before there was BlackBerry, there was Bombardier. They may have been born half a country and several decades apart, but the two Canadian corporate titans share more than a few qualities in common. Like BlackBerry, B...

Aerospace
AER 318
Mark Tollefson
AER 318 Lecture Notes - Lecture 2: Early Morning Rain, Bombardier Cseries, Fuselage
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Still smarting from that beating, the Canadian company had retreated to its relative safe haven of building luxury business jets and commuter prop planes. And yet, when it was announced in 2004, the CSeries promised to...

Aerospace
AER 318
Mark Tollefson

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