INTRODUCTION TO HELICOPTER AERODYNAMICS WORKBOOK phần 4 ppsx

... tail rotor, more engine power is now available to drive the main rotor system (figure 3-8). Figure 3-8 HELICOPTER AERODYNAMICS WORKBOOK CHAPTER 3 HELICOPTER ... HELICOPTER AERODYNAMICS WORKBOOK CHAPTER 3 HELICOPTER POWERED FLIGHT ANALYSIS 3-3 POWER REQUIRED Now, we've discussed how rotor blades and rotor...

Ngày tải lên: 08/08/2014, 13:20

... rotational velocity from blade root to tip by increasing/decreasing blade pitch from root to tip. CHAPTER 2 HELICOPTER AERODYNAMICS WORKBOOK 2-10 ROTOR BLADE AERODYNAMICS center of mass ... center of mass is closer to the center of rotation it will tend to lead (move faster). If the blade's CHAPTER 2 HELICOPTER AERODYNAMICS WORKBOOK 2-12 ROTOR BLADE...

Ngày tải lên: 08/08/2014, 13:20

... 3-12 CHAPTER 3 HELICOPTER AERODYNAMICS WORKBOOK 3-16 HELICOPTER POWERED FLIGHT ANALYSIS DISSYMMETRY OF LIFT To begin this discussion, we need to backtrack all the way to rotor system control. ... HELICOPTER AERODYNAMICS WORKBOOK CHAPTER 3 HELICOPTER POWERED FLIGHT ANALYSIS 3-13 Figure 3- 14 GROUND VORTEX...

Ngày tải lên: 08/08/2014, 13:20

... to autorotative flight. The region breakdown is shown in figure 4- 6. The pro-autorotative (auto) region represents about 45 % of HELICOPTER AERODYNAMICS WORKBOOK CHAPTER 4 AUTOROTATION 4- 7 ... OBJECTIVES 4. 1 Define autorotation. 4. 2 Draw and label a blade element diagram for autorotation. 4. 3 Define pro-autorotative force. 4. 4 Define anti-autorotative force...

Ngày tải lên: 08/08/2014, 13:20

... ix Chapter 5 Helicopter Flight Phenomena - Part 1 4B88 /4- 1 26:30 Helicopter Flight Phenomena - Part 2 4B88 /4- 2 14: 00 Helicopter Flight Phenomena - Part 3 4B88 /4- 3 12:00 ... AUDIOVISUAL Stock No. Minutes Chapter 1 Atmospheric Density and Helicopter Flight 4B88/5 19:30 Chapter 2 Rotor Blade Aerodynamics - Part 1 4B88/1-1 Rotor Blade Aerodynamics -...

Ngày tải lên: 27/06/2014, 14:20

... simple exercises shows you how to use Follow Me to create a rotated form to use as a cutout, and how to use Intersect with Model to make the cutout. 1. Make the cutout using an arch shape, driving ... but it’s useful to know how to handle objects that intersect. It demonstrates how to use Follow Me to easily create interesting edges, and uses Intersect with Model to tri...

Ngày tải lên: 06/08/2014, 10:20

... -858. CH g - 74. 6 -50.5 4 FeO c -272.0 - 244 .3 C H g 227 .4 209.9 2 2 Fe O c -8 24. - 742 .2 C H g 52 .4 68 .4 2 3 2 4 Fe O c -1118 .4 -1015 .4 C H g - 84. 0 -32.0 3 4 2 6 HBr g -36.3 -53 .4 CH OH g -201.0 ... -3 84. 1 CaCl c -795 .4 - 748 .8 aq -40 7.3 -393.1 2 aq -877.2 -816. NaOH c -42 5.8 -379.5 CaF c -1228.0 -1175.6 aq -47 0.1 -41 9.1 2 aq -1208 -1031.2 O g 142 .7 163....

Ngày tải lên: 08/08/2014, 15:21