Aircraft Flight Dynamics Robert F Stengel Lecture7 Gliding, Climbing, and Turning Performance

... Glide" Climbing Flight Gliding, Climbing, and Turning Flight Performance Robert Stengel, Aircraft Flight Dynamics, MAE 331, 2012 ! Copyright 2012 by Robert Stengel. All rights reserved. For educational ... Flight Envelope Flight Envelope Determined by Available Thrust" •  Flight ceiling defined by available climb rate" –  Absolute: 0 ft/min"...

Ngày tải lên: 04/07/2014, 19:25

... ∂  ψ ∂ψ " # $ $ $ $ $ $ $ % & ' ' ' ' ' ' ' •  Four (6 x 6) blocks distinguish longitudinal and lateral-directional effects " F = F Lon F Lat−Dir Lon F Lon Lat−Dir F Lat−Dir " # $ $ % & ' ' Effects of longitudinal ... Spring" Spring Force vs. Displacement" Spring" Damper" Displacement"...

Ngày tải lên: 04/07/2014, 19:25

... } Δu(s) Transfer Function Matrix" •  Frequency-domain effect of all inputs on all outputs" •  Assume control effects do not appear directly in the output: H u = 0" •  Transfer function ... = h 11 h 12 h 21 h 22 ! " # # $ % & & adj s − f 11 ( ) − f 12 − f 21 s − f 22 ! " # # $ % & & det s − f 11 ( ) − f 12 − f 21 s − f 22 ( ) ( ) * *...

Ngày tải lên: 04/07/2014, 19:27

... History !  Aerodynamics of Airplane Configurations !  Cruising Flight Performance !  Gliding, Climbing, and Turning Performance !  Nonlinear, 6-DOF Equations of Motion !  Linearized Equations of Motion !  ... only.! http://www.princeton.edu/ ~stengel/ MAE331.html! !  Dynamics & Control of Atmospheric Flight !  Configuration Aerodynamics !  Aircraft Performance ! ...

Ngày tải lên: 04/07/2014, 19:19

... Frame" C X C Y C Z ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ B = axial force coefficient side force coefficient normal force coefficient ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ C D C Y C L ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ = drag coefficient side force coefficient lift coefficient ⎡ ⎣ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ •  ... = v x v y v z ⎡ ⎣ ⎢ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ ⎥ F I = f x f y f z ⎡ ⎣ ⎢ ⎢ ⎢ ⎢ ⎤ ⎦ ⎥ ⎥ ⎥ ⎥ I = F gravity + F aerodynamics + F thrust ⎡...

Ngày tải lên: 04/07/2014, 19:20

... effects" •  Short-Takeoff -and- Landing (STOL) aircraft augment takeoff/landing lift in many ways, e.g.," –  Full-span flaps" –  Deflected thrust" Grumman F8 F! Grumman F4 F! GB R1! C T o ,C T V ,C T δ T ,C L δ T World ... compressibility effects on drag! •  Dramatic change in stability, control, and flying qualities! •  North American FJ-1 and FJ-4 Fury! •  Republic...

Ngày tải lên: 04/07/2014, 19:21

... Axes" f B = X B Y B Z B ! " # # # $ % & & & m B = L B M B N B ! " # # # $ % & & & Force Vector" Moment Vector" r × f = i j k x y z f x f y f z = yf z − zf y ( ) i + zf x − xf z ( ) j + xf y − yf x ( ) k m = yf z − zf y ( ) zf x − xf z ( ) xf y − yf x ( ) # $ % % % % & ' ( ( ( ( =  rf ... Dihedral effect" •  Vertical t...

Ngày tải lên: 04/07/2014, 19:22

... Cruising Flight Performance Robert Stengel, Aircraft Flight Dynamics, MAE 331, 2012! Copyright 2012 by Robert Stengel. All rights reserved. For educational use only.! http://www.princeton.edu/ ~stengel/ MAE331.html! http://www.princeton.edu/ ~stengel/ FlightDynamics.html! •  ... 0 •  Satisfy necessary condition for a maximum" •  Lift-to-drag ratio" •  Lift coefficient...

Ngày tải lên: 04/07/2014, 19:24

... theorem" •  Model in Pro/ENGINEER, etc." Aircraft Equations of Motion - 1
 Robert Stengel, Aircraft Flight Dynamics, 
 MAE 331, 2012 " •  6 degrees of freedom" •  Angular kinematics" •  ... geometric shapes with uniform density" Moments and Products of Inertia" (Bedford & Fowler)" •  Construct aircraft moments and products of...

Ngày tải lên: 04/07/2014, 19:25