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发表于 2008-3-7 09:17:08
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来自： 中国山东泰安
目录
目录9 A, G, r+ g" h/ l7 `# l/ n
第一章绪论....................................................................1( [1 K" I2 @3 W, `7 t
1.1本课题研究背景.....................................................................................................11 U; ~. p" V+ _/ d. \' n: n2 d- N
1.2国内外研究技术现状............................................................................................. 2& o7 c. v+ G4 b% q9 J) w
1.3本课题研究内容........................................................................................................ 2
R: ^% m, j* e/ @ U# v3 i第.章基本概念与基本原理............................................................................................... 5) r9 f. s0 D1 q; S; R
2.1翼型结构基本概念............................................................................................55 o/ B* ?& H, N! k" L. W. g& P
2.1.1翼型几何参数....................................................................................................5
+ \6 \# U5 A6 ?- [+ D 2.1.2翼型介绍................................................................................................7- X2 e8 [4 `" |
2.2翼型空气动力学相关概念......................................................................:....................... 7/ b( Z# L0 j9 S( E. x" t- `1 U
2.2.1作用在翼型上的空气动力........................................................................................ 7% J$ B, c0 \) E+ R, v% Z
2.2.2空气动力的影响因素................................................................................................ 92 I) u5 v+ W: P, Y# s0 Y p) o& A
2.3叶片基本气动理论..............................................................................................11
( [- t1 C! C6 s ? 2.3.1贝兹理论...................................................................................................................11
; s( \4 X; Y l/ o$ d+ ^ 2.3.2涡流理论..........................................................................................13
, M( g1 I- L0 a) B2 E6 u 2.3.3叶素理论.................................................................................................14
1 a! `# s e( i1 O; Q 2.3.4动量理论.........................................................................................................16
; s0 K6 ^/ ], I/ e: _2 W2 o: z2.4本章小结................ ................................................................................17% Z! ~7 Z; y) w: U" t6 b& ]
第三章叶片设计.......................:...............................................18
% N. U8 d( O1 N6 Z6 k! ]3.1前言.......................................................................................................18, z8 } j) L! f- Q) C
3.2风力机特征风速的确定............................................................................................18
0 v: Z* ^0 s: S& [ 3.2.1风速的数学表达式..............................................................................................180 a( v, }0 y8 f" F
3.2.2风力机特征风速的推导计算.................................................................................. 205 ?9 r6 x: T- L3 a! {5 G7 x1 }! Z
3.3叶片基本设计方法....................................................................................................21, c- r: r+ ^/ Z7 C% s0 i" `
3.3.1计算风轮直径模型..........................................................................................210 X$ C) L4 d& z# ~. A$ O! E
3.3.2叶片重要参数的选取.............................................................................................. 237 }: t" n, Q. z$ `$ C
广西大学ZXt学位论文9 }4 }: d6 X7 n" T! e/ E8 h
风办发电机叶t卜iR计研究
1 V& _7 C/ [* n# P- P/ | 3.3.3叶展形状设计模型..............................................................................................254 |3 s6 i" l; u. p" }# U, K9 F
3.4叶片设计实例.................................................................................................298 q: R7 s6 ~+ M
3.4.1风力机特征风速的确定.......................................................................................... 29- Z8 }* b# K, x% ?" I: Q
3.4.2叶片重要参数选取..............................................................................................30
& Q: S6 O* N2 Z' r: _ 3.4.3叶展形状设计...................:..........................................................................32
. b6 M' _ K9 x5 C+ s3.5设计结果形象化................................................................................................417 T+ o3 u+ A. H8 t
3.5.1叶片截面空间坐标的求解...................................................................................... 41# E r2 e$ o5 p
3.5.2叶片计算机3D绘图............................................................................................... 44
: s" j( n& Z4 q) B+ J# ] 3.5.3该3D建模方法的优点........................................................................................... 45% |: |. ?5 t& o7 Y1 q
3.6叶片模型图......................................................................................................... 46, p5 M. J# a1 U6 l
3.7本章小结................................................................................................................471 J' o' F' y6 C) W+ s: ~6 o
第四章静态气动性能模拟计算........................:.............................. 48, y! a) A" J" R' S1 z8 D ?
4.1前言.......................................................................................................48
* U6 `) k1 H9 G. u# _0 v7 t2 j 4.1.1有量纲性能指标...................................................................................................... 48; e$ E' l( @: f
4.1.2无量纲性能指标、..................................................................................................... 48
5 R7 G/ T( [& D/ W( s5 T; Q- N9 l 4.1.3有量纲指标和无量纲指标关系......................................................................48
. i9 C7 b. G: {4.2叶片气动性能计算...............................................................................................49" b2 W% f8 W3 l' j# e
4.2.1贝茨模型..........................................................................................................49$ u: o# g) N1 J2 o: _/ @
4.2.2涡流模型—Glauert模型和Wilson模型.................................................49
2 |0 q4 k, z9 v" v6 B" P# [4.3各种修正系数..............................................................................................54
5 o$ U/ P* b- V# ^. I 4.3.1叶片数修正...................................................................................54( v$ u# R6 r& k( C
4.3.2翼型修正....................................................................................................55
. o# T5 H- s6 q 4.3.3叶尖修正..........................................................................................................557 Y9 K' v6 S8 g
4.3.4轮毅修正..............................................................................................................56' o1 A3 U' }; m8 H3 {6 J7 R6 B3 g
4.4模型修正结果................................................................................................56
0 G- X' l' N J2 @) M* l: P4 ~0 ^ 4.4.1性能修正表..........................................................................................................57
' }* {, P9 Y( A 4.4.2结果分析..........................................................................................................60
/ B! G( j5 k) U# T% Q) w4.5本章小结........................................................................................................................ 61, P9 c8 j2 f* }: I
第五章叶片动力学分析........................................................... 624 ^9 Y* P3 d: E. W. I6 T5 A& D
广西大学祠盯士学位金仑.弋. S! J% S& u; {6 ]2 e" F
风办发电机叶少卜宝又计笼开乡t4 C9 s/ h4 n6 _* }2 j5 B
5.1前言............................................................................................................62
, X( X. A* |( ~8 s6 c& B; N5.2动力学分析方法............................................................................................................ 62/ G/ c9 r* C h E, t5 t
5.3计算模型................................................................................................................63
! V" C3 v" {# A; I- d" C5.4分析工具................................................................................................................63
9 t" b! y! g* J( m a" |5.5分析步骤.............................、.............................................................................65
' E8 N7 L8 ], F1 m; X3 J: ? 5.5.1有限元建模.............................................................................................................. 65
! k3 {! w' \: E0 H7 P& \3 j# q 5.5.2施加约束..........................................................................................................67, _' U) {. x5 O+ F; @5 }
5.6计算结果........................................................................................................67/ c. ~; k! |! `( j
5.6.1模态计算结果..................................................................................................676 V9 r* J# t3 T& n [3 ]
5.6.2结果分析..............................................................................................................68 _( K& ^; o+ a
5.6.3对比计算.................................................................................................................. 72( I# v3 O4 F; [ [! {: m# \9 k; L
5.6.4计算模型的改进...................................................................................................... 74
$ m4 S2 K3 H* A2 v( _6 g- n6 D2 i 5.6.5结论..................................................................................................................746 f+ ~7 Q+ S# p' D6 Y
5.7本章小结................................................................................................................74
! [2 Q0 i# G) V" L5 i- w( i备第六章结论及展望................................................................................ 76
8 F' r9 J! ?: V' w6 Q4 M8 f- ]6.1结论....................................................................................................................76
& K3 D5 w# Y y: Y, w& ]. k6.2论文堕待解决的问题.................................................................................................... 77
! X9 F* e1 N2 y! j! d6.3展望..................................................................................................................77
. N5 Y$ W/ z5 N' X$ j1 ?2 K4 @参考文献.......................................................................:..78
- a4 Z" Z8 U6 h; k" v附录1翼型NACA4412数据.....................................................82: k6 ]2 R3 B5 L1 E3 z0 {( t, Y" o
附录2翼型NACA4412气动性能表(RE=500000) ............................................................ 83
. P7 B1 `$ y, k! `; ?3 X2 G附录3翼型NACA4412气动性能图(RE=500000) ................................................. 84" c5 \3 o* v, E0 y' j
致谢.......................................................................................................... 859 O0 n' C- L! b8 Z
攻读学位期间发表的学术论文目录................................................................................... 86 |
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