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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
, Z5 u# C) a& o第一章绪论....................................................................1
1 }% C/ r# i- l8 L$ @1.1本课题研究背景.....................................................................................................1
6 K1 x8 k& N& N( w B6 @1 c1.2国内外研究技术现状............................................................................................. 2
( k4 ?# x1 t- v& d; }) W- Q" ]1.3本课题研究内容........................................................................................................ 2
9 V) a; M, A( z" f6 _. R第.章基本概念与基本原理............................................................................................... 57 t! J7 W$ W& Q/ j/ B$ \3 Z4 G
2.1翼型结构基本概念............................................................................................57 ?9 Q' @/ s! }1 L: x* H. x/ x0 j
2.1.1翼型几何参数....................................................................................................5/ y' k+ ]$ \2 F& W/ b4 I }' P
2.1.2翼型介绍................................................................................................7
8 L2 l6 j$ g$ X" `& I+ m2.2翼型空气动力学相关概念......................................................................:....................... 7
" |0 H: o7 w* ?1 G 2.2.1作用在翼型上的空气动力........................................................................................ 79 J7 i# M7 B: y# H7 Q
2.2.2空气动力的影响因素................................................................................................ 9
3 ?; v& C% T" d/ h x4 \2.3叶片基本气动理论..............................................................................................11
2 W( D- P: @5 @" _- K) y) J 2.3.1贝兹理论...................................................................................................................110 a5 }: L! j' b6 }" F! j- x
2.3.2涡流理论..........................................................................................13( A5 @0 V/ m' A' o) ?7 U& A) G
2.3.3叶素理论.................................................................................................14/ z. s7 N' Z. Y P+ D4 |
2.3.4动量理论.........................................................................................................16
. G5 Y* g P9 R5 u: q2.4本章小结................ ................................................................................17
% | R$ g4 Y. v& i: l第三章叶片设计.......................:...............................................18
2 a, x# t# c5 t# Z @$ t y/ m3.1前言.......................................................................................................18
9 D" ]$ {" D5 j, O, E, P3.2风力机特征风速的确定............................................................................................18/ ]( _* ?7 N7 B6 `1 e
3.2.1风速的数学表达式..............................................................................................181 K4 w; i8 B: r% g0 S
3.2.2风力机特征风速的推导计算.................................................................................. 20
7 N2 T2 c5 h- c: |1 z3.3叶片基本设计方法....................................................................................................21
! g, {3 _# s# B' A, I 3.3.1计算风轮直径模型..........................................................................................213 A% x9 w0 B6 z/ |/ S+ i8 z$ q
3.3.2叶片重要参数的选取.............................................................................................. 23" v P: e% {' Z z/ _/ a7 }( T
广西大学ZXt学位论文9 s7 l n+ O7 s; v4 ^7 q! O
风办发电机叶t卜iR计研究* E9 q$ w0 C* M9 ]) O& L
3.3.3叶展形状设计模型..............................................................................................25
( e4 p; I: z v0 f) l5 }0 ~3.4叶片设计实例.................................................................................................29
O9 q7 ^8 b P 3.4.1风力机特征风速的确定.......................................................................................... 29 k- N; d" p+ ]
3.4.2叶片重要参数选取..............................................................................................307 q: Q0 _; \& s7 a. I4 k5 R
3.4.3叶展形状设计...................:..........................................................................32
+ D" l, i% C9 `+ X3.5设计结果形象化................................................................................................41
2 v8 `, H1 X9 b" C' S 3.5.1叶片截面空间坐标的求解...................................................................................... 41
- R. j7 V* U1 A& u$ O5 O T9 S 3.5.2叶片计算机3D绘图............................................................................................... 443 N' o9 u+ o5 }: b; `; s9 y# D
3.5.3该3D建模方法的优点........................................................................................... 45
- y7 G5 ]. {9 Z1 I0 h; d3.6叶片模型图......................................................................................................... 46
j ]7 ^: U$ { Z" m: [/ h* U6 D3.7本章小结................................................................................................................47
g: L6 _. H) f+ j# n+ a! a' | `第四章静态气动性能模拟计算........................:.............................. 48. k+ N+ |" I# T
4.1前言.......................................................................................................48& d9 F2 t* `, `# t8 e- ]. e
4.1.1有量纲性能指标...................................................................................................... 48
- d" }( {( j0 ?8 T 4.1.2无量纲性能指标、..................................................................................................... 48
?& T+ S) C0 R 4.1.3有量纲指标和无量纲指标关系......................................................................48
4 H0 c5 u- D9 Q) ]4.2叶片气动性能计算...............................................................................................49+ [; @% g) N; T8 H
4.2.1贝茨模型..........................................................................................................49
3 d; x" `) b+ D! ~ 4.2.2涡流模型—Glauert模型和Wilson模型.................................................49* G: @! S" Z, I
4.3各种修正系数..............................................................................................54
^- f5 c. g& B 4.3.1叶片数修正...................................................................................54
5 t' [2 \% E8 P# G! h. {. H, W i 4.3.2翼型修正....................................................................................................55
1 j1 \7 @- L# V0 ]6 {' } 4.3.3叶尖修正..........................................................................................................55/ R u' F; p N. p9 K2 c
4.3.4轮毅修正..............................................................................................................56# l2 b- y8 ^ D2 \4 V
4.4模型修正结果................................................................................................56+ L1 J6 l' h }* V
4.4.1性能修正表..........................................................................................................570 X' H( R. s* `) |
4.4.2结果分析..........................................................................................................60* j5 \1 R$ P; J5 H( X# g8 W* z6 q
4.5本章小结........................................................................................................................ 618 G5 t m/ R0 Y3 x0 Q5 C! k
第五章叶片动力学分析........................................................... 62
, M2 O, R% _, Z/ k) L) k广西大学祠盯士学位金仑.弋 A% a( m4 _' G7 z4 u4 j
风办发电机叶少卜宝又计笼开乡t# p. W) O' Z# a- Z2 z9 D
5.1前言............................................................................................................62
. x" S1 ?+ g" Y2 r& [: L! _3 X$ I5.2动力学分析方法............................................................................................................ 62
$ K, ~8 W9 {7 y* [5.3计算模型................................................................................................................63, x! c( g5 F6 G. A k9 H; t
5.4分析工具................................................................................................................63; K' C7 Q" `+ z n
5.5分析步骤.............................、.............................................................................659 d3 t- [; e/ D& D
5.5.1有限元建模.............................................................................................................. 658 i, T$ D9 l% w; I4 M1 _2 j
5.5.2施加约束..........................................................................................................67
, z4 k5 Z' g6 x+ x3 F5.6计算结果........................................................................................................67* u% j! K) i$ a1 [
5.6.1模态计算结果..................................................................................................67
8 R) P; R" h% N0 c* v2 I9 p+ k 5.6.2结果分析..............................................................................................................68
9 K9 p; u$ y1 X4 d9 } 5.6.3对比计算.................................................................................................................. 72
* H5 N- ?5 ?3 g! O+ A2 u3 O 5.6.4计算模型的改进...................................................................................................... 74
+ ~% f9 r, t1 |* J 5.6.5结论..................................................................................................................745 ~9 u! k0 R. k- l. x% L
5.7本章小结................................................................................................................74
8 Y, u- {4 a& t. k3 V5 W5 V备第六章结论及展望................................................................................ 76* ~; q$ n, t5 C" D3 n; {8 X
6.1结论....................................................................................................................76+ m2 I0 J$ n5 w; \5 e+ @1 z
6.2论文堕待解决的问题.................................................................................................... 770 m) y4 B5 T* K) @- _4 R8 w
6.3展望..................................................................................................................77
O2 M" \( Y/ S) B- F/ S参考文献.......................................................................:..78- i- \2 k( g2 q4 R# {' R" L
附录1翼型NACA4412数据.....................................................821 W8 M6 j, ~8 k* g! {; S
附录2翼型NACA4412气动性能表(RE=500000) ............................................................ 83
) j6 i. E; ~/ o$ c7 q附录3翼型NACA4412气动性能图(RE=500000) ................................................. 84
( j5 C9 d2 R$ d+ _致谢.......................................................................................................... 856 c0 }$ U4 K% J `0 P
攻读学位期间发表的学术论文目录................................................................................... 86 |
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