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Thiết kế máy bay_Chương IV

Tham khảo sách 'thiết kế máy bay_chương iv', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | g 9 BiBLioT CA Ị I TECNiCA J r mơ aS J AIRPLANE DESIGN PART IV LAYOUT DESIGN OF LANDING GEAR AND SYSTEMS by Dr. Jan Roskam Ackers Distinguished Professor of Aerospace Engineering The University of Kansas Lawrence Kansas NO PART OF THIS BOOK MAY BE REPRODUCED WITHOUT PERMISSION FROM THE AUTHOR Copyright Roskanj Aviation and Engineering Corporation Rt4 Box 274 Ottawa Kansas 66067 Tel. 913-2421624 First Printing 1986 softbound Second Printing 1989 hardbound TỉiBLE OF CONTENTS Ka KeKSX aCKB aE EKK TABLE OF SYMBOLS vli ACKNOWLEDGEMENT xi 1. INTRODUCTION 1 2. LANDING GEAR LAYOUT DESIGN 3 2.1 FUNCTION OF LANDING GEAR COMPONENTS 3 2.2 DISCUSSION OF LANDING GEAR TYPES 10 2.3 COMPATIBILITY OF LANDING GEAR AND RUNWAY SURFACE DETERMINATION OF ALLOWABLE WHEEL LOADS 14 2.3.1 Nosegear steering Loads 14 2.3.2 Gear Loads From A Surface viewpoint 14 2.3.2.1 Allowable gear loads for Type 1 surfaces 15 2.3.2.2 Allowable gear loads for Types 2 and 3 surfaces 15 2.4 TIRES TYPES PERFORMANCE SIZING AND DATA 20 2.4.1 Tire Types Tire Construction and Tire Descriptions 20 2.4.2 Tire Performance Load Deflection and Shock .Absorption Capability 23 2.4.3 Tire Clearance Requirements 26 2.4.4 Tire Sizing Procedure 26 2.4.5 Tire Data 30 2.5 STRUT-WHEEL INTERFACE STRUTS AND SHOCK ABSORBERS 45 2.5.1 Strut-Wheel Interface 45 2.5.2 Devices Used For Shock Absorption 47 2.5.3 Shock Absorption Capability of Tires and Shock Absorbers Sizing of Struts 53 2.6 BRAKES AND BRAKING CAPABILITY 57 2.6.1 Braking and Brakes 57 2.6.2 Brake Actuation 61 2.7 DESIGN CONSIDERATIONS FOR LANDING GEARS OF CARRIER BASED AIRPLANES 65 2.7.1 Description of Flight Deck Features 65 2.7.2 Description of a Catapult System 65 2.7.3 Catapulting Procedures and Required Landing Gear Provisions 68 2.7.4 Description of Arresting Gear System 71 2.7.5 Arresting Procedures and Required Landing Gear and Arresting Hook Provisions 74 2.8 REVIEW OF LANDING GEAR LAYOUT GEOMETRY 75 2.8.1 Review of Overall Landing Gear Disposition 75 Part IV .