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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/ @$ M @; R% ^" j
第一章绪论....................................................................1
* g" e! S6 u* A, f6 _1.1本课题研究背景.....................................................................................................1
4 K1 b, O" I! X& F( A1.2国内外研究技术现状............................................................................................. 28 B# \ D" Q4 ]
1.3本课题研究内容........................................................................................................ 2- [0 { R+ ?" S4 Q7 h' T I7 W
第.章基本概念与基本原理............................................................................................... 5
& f. j4 l6 {1 g8 u3 K2.1翼型结构基本概念............................................................................................5
9 i+ d* Y% l* I& ?8 @, o* x" A. @ 2.1.1翼型几何参数....................................................................................................5
W! W" d( H: H- X7 K( t' h 2.1.2翼型介绍................................................................................................7
# C9 w, O% ]; E4 s& _+ E9 L/ t2.2翼型空气动力学相关概念......................................................................:....................... 76 z) k& ]# ~1 n8 m" u
2.2.1作用在翼型上的空气动力........................................................................................ 7
: a5 l/ \ G1 d. E. \2 d 2.2.2空气动力的影响因素................................................................................................ 9
" [. ?' R7 x. ^' A+ X; G2.3叶片基本气动理论..............................................................................................11
" \& w# s0 ]: T5 X8 w1 a& j 2.3.1贝兹理论...................................................................................................................11
j% _ h+ D3 E7 V 2.3.2涡流理论..........................................................................................13
+ f9 h" ~( ]- q; o& z! Y+ R 2.3.3叶素理论.................................................................................................14$ |* N- w ]/ j. I0 Q4 r
2.3.4动量理论.........................................................................................................16
* R$ P- X! I5 u8 B2.4本章小结................ ................................................................................17% p) D+ d$ V/ Y5 b1 U
第三章叶片设计.......................:...............................................186 _; H9 m, H6 S D* O- S
3.1前言.......................................................................................................18& K R- E* e- P }0 M
3.2风力机特征风速的确定............................................................................................183 ^, _& }4 d5 k! w# _# v
3.2.1风速的数学表达式..............................................................................................18$ q; Z3 @0 e" j
3.2.2风力机特征风速的推导计算.................................................................................. 20
9 T( C1 s$ }* M: e# s4 \& }4 h3.3叶片基本设计方法....................................................................................................21. I5 A1 f+ `2 ^. p$ w
3.3.1计算风轮直径模型..........................................................................................21
+ o- a/ _$ ~ {$ z" v6 u 3.3.2叶片重要参数的选取.............................................................................................. 23+ ^1 z: |7 M0 J4 y' }3 J
广西大学ZXt学位论文
! l+ P- Z& a* H; `9 J风办发电机叶t卜iR计研究
3 l$ S$ f4 z# f/ T% n, j5 ]- h 3.3.3叶展形状设计模型..............................................................................................257 p N {6 g' H8 B% s! B
3.4叶片设计实例.................................................................................................29
L% z. C; D, H' A8 X) @ 3.4.1风力机特征风速的确定.......................................................................................... 29
2 ~2 z+ o& Y. }, R5 M9 f2 y 3.4.2叶片重要参数选取..............................................................................................303 q! _5 q9 @- f# Y& l+ L- E
3.4.3叶展形状设计...................:..........................................................................32 |* T- }3 Y/ [ m/ ?# W1 i: i4 k
3.5设计结果形象化................................................................................................41
; ~9 Z6 T, O; d$ K1 _ 3.5.1叶片截面空间坐标的求解...................................................................................... 419 f" `& _5 q1 l4 S6 X
3.5.2叶片计算机3D绘图............................................................................................... 44# H# f' w& u& u( K: g5 d3 c5 y
3.5.3该3D建模方法的优点........................................................................................... 45
, l. E1 l. K2 f! f& y3.6叶片模型图......................................................................................................... 46" w p. Y- p$ f8 `4 q! n
3.7本章小结................................................................................................................47
# Z6 ^/ b. F+ i/ v7 i; Q& |第四章静态气动性能模拟计算........................:.............................. 486 f2 ^& A7 S# K0 d( ~
4.1前言.......................................................................................................48
2 y7 w" B; V! x- Y2 k 4.1.1有量纲性能指标...................................................................................................... 48
}5 m' t! f! l7 d* G1 l 4.1.2无量纲性能指标、..................................................................................................... 487 M8 z; J$ ~+ Z* f- U. ~2 J# {/ b
4.1.3有量纲指标和无量纲指标关系......................................................................48% E$ `( D' |. Z
4.2叶片气动性能计算...............................................................................................49
' x' t6 p4 \) @7 _* v+ V: l 4.2.1贝茨模型..........................................................................................................49
6 B# Y+ h; r/ z8 \6 |* r( i 4.2.2涡流模型—Glauert模型和Wilson模型.................................................49
. d6 d5 \- i3 t( U$ }% X% U0 j/ z4.3各种修正系数..............................................................................................54
; K6 {5 p% c: W/ v2 O6 a 4.3.1叶片数修正...................................................................................54
6 i- f& b! n$ A) g4 \4 X$ w0 t 4.3.2翼型修正....................................................................................................557 q9 m5 I& c+ ]. w
4.3.3叶尖修正..........................................................................................................552 F5 ~! d" k. Y/ | Q) \. B
4.3.4轮毅修正..............................................................................................................56
* k8 c& w) s# S- b6 v. w: l& Q4.4模型修正结果................................................................................................56; g+ _8 P$ d/ Z: A' E& t
4.4.1性能修正表..........................................................................................................57( e( M$ y! ] k8 p# [+ B0 |- o
4.4.2结果分析..........................................................................................................60
* R( [" k% [; `3 e4.5本章小结........................................................................................................................ 615 x' e" L0 M5 R9 c3 u4 g' r3 R
第五章叶片动力学分析........................................................... 62
3 L1 r, Q* W0 G* s6 `; W4 {! ]& y广西大学祠盯士学位金仑.弋
5 Y) z/ H/ _6 D# e风办发电机叶少卜宝又计笼开乡t4 s! ^+ N) T4 V) J
5.1前言............................................................................................................623 s6 ^4 I4 s9 C p/ T# g1 a
5.2动力学分析方法............................................................................................................ 62
. N9 C$ M I' H% J+ W5.3计算模型................................................................................................................634 w$ `/ ^' B# l* K# y, r
5.4分析工具................................................................................................................63
! t- N& \0 K3 D( N! P/ t) G5.5分析步骤.............................、.............................................................................65' M) N' B: H ]8 E) ?; p
5.5.1有限元建模.............................................................................................................. 65% H" D% z& L. @7 A+ Y1 L" Q! L
5.5.2施加约束..........................................................................................................67
0 c# I" E1 l8 Q- v9 f5.6计算结果........................................................................................................67% c4 x Q% z5 P6 \- M$ P( K
5.6.1模态计算结果..................................................................................................67! z! {0 }# q7 v8 G4 @) p P1 X3 Z
5.6.2结果分析..............................................................................................................68) }( N, L& O0 s) p. v
5.6.3对比计算.................................................................................................................. 72
3 ^6 n' y, e" D0 e 5.6.4计算模型的改进...................................................................................................... 74
3 O% ~3 `* c6 b* B 5.6.5结论..................................................................................................................74
% z/ G7 ^: m/ T# E5.7本章小结................................................................................................................74$ h6 \' a. ]* w9 s! n
备第六章结论及展望................................................................................ 76+ c; }) N3 G2 C* t
6.1结论....................................................................................................................76; ~% t7 b) O/ B& M; w) t P
6.2论文堕待解决的问题.................................................................................................... 77" j. L7 h& h0 y; O
6.3展望..................................................................................................................77
3 {1 l4 c0 A: T# K" N参考文献.......................................................................:..78, Y7 Z: w3 Z0 s, ~9 @
附录1翼型NACA4412数据.....................................................82; }3 `9 N" q# A w ?, Q
附录2翼型NACA4412气动性能表(RE=500000) ............................................................ 83" @0 R- y( E2 W% }3 u5 e4 g: ^* y% `
附录3翼型NACA4412气动性能图(RE=500000) ................................................. 840 \. N* C0 g8 ~* L# R
致谢.......................................................................................................... 85
3 v0 l$ B3 N6 j5 ?- R攻读学位期间发表的学术论文目录................................................................................... 86 |
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