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Thiết kế máy bay_Chương V

Tham khảo sách 'thiết kế máy bay_chương v', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | AIRPLANE DESIGN SSSSBSBSSSSSBsaSBSSSE PART V COMPONENT WEIGHT ESTIMATION S2KS SSK S3nccSSEKBSSKSBsSSBSSaE BKs 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 Roskam Aviation and Engineering Corporation Rt4 Box 274 Ottawa Kansas 66067 Tel. 913-2421624 First Printing 1985 TABLE OF CONTENTS KCBKESESCCZZSECSS TABLE OF SYMBOLS vii ACKNOWLEDGEMENT xiii 1. INTRODUCTION 1 2. CLASS I METHOD FOR ESTIMATING AIRPLANE COMPONENT WEIGHTS 2.1 A METHOD FOR ESTIMATING AIRPLANE COMPONENT WEIGHTS WITH WEIGHT FRACTIONS 2.2 EXAMPLE APPLICATIONS 2.2.1 Twin Engine Propeller Driven Airplane 2.2.2 Jet Transport 2.2.3 Fighter 3 4 7 7 10 12 3. CLASS I METHOD FOR ESTIMATING AIRPLANE INERTIAS 3.1 ESTIMATING MOMENTS OF INERTIA WITH RADII OF GYRATION 3.2 EXAMPLE APPLICATIONS 3.2.1 Twin Engine Propeller Driven Airplane 3.2.2 Jet Transport 3.2.3 Fighter 17 17 19 19 20 21 4. CLASS II METHOD FOR ESTIMATING AIRPLANE COMPONENT WEIGHTS 4.1 A METHOD FOR ESTIMATING AIRPLANE COMPONENT WEIGHTS WITH WEIGHT EQUATIONS 4.2 METHODS FOR CONSTRUCTING v-n DIAGRAMS 4.2.1 v-n Diagram for FAR 23 Certified Airplanes 4.2.1.1 Determination of lg stall speed Vg 4.2.1.2 Determination of design cruising speed Vp 4.2.1.3 Determination of design diving speed VD 4.2.1.4 Determination or design maneuvering speed V- 4.2.1.5 Determination of negative stall speed line 4.2.1.6 Determination of design limit load factor n im 25 27 31 31 32 32 33 33 33 34 4.2.1.7 Construction of gust load factor lines in Fig.4.1 4.2.2 v-n Diagram for FAR 25 Certified Airplanes 34 35 Part V Contents Page