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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" x1 P2 B1 k6 n
第一章绪论....................................................................1$ s" N( F3 p! L( v
1.1本课题研究背景.....................................................................................................1
. L) z" B( }% r$ @, j! |6 B1.2国内外研究技术现状............................................................................................. 2" m( ^8 }$ [3 e" G6 @/ Y1 c
1.3本课题研究内容........................................................................................................ 2 s7 ?. `* a8 s& ^. r
第.章基本概念与基本原理............................................................................................... 50 T3 F! b5 l+ J v4 ]1 ]8 y
2.1翼型结构基本概念............................................................................................5
; U' } Q9 ?9 X' R" ]2 P) Z; Z! K 2.1.1翼型几何参数....................................................................................................5
+ |" L9 _: j4 r 2.1.2翼型介绍................................................................................................76 e0 @5 P! G& G0 v4 n# U8 _% n
2.2翼型空气动力学相关概念......................................................................:....................... 7
$ L- [; S3 Q4 o# p3 V 2.2.1作用在翼型上的空气动力........................................................................................ 7& j9 L# Y! H2 q7 h. o
2.2.2空气动力的影响因素................................................................................................ 98 R- e5 ]+ N8 j" X* p4 K* q- q
2.3叶片基本气动理论..............................................................................................116 e0 P+ Z1 w# A |1 v( |! i' X% P7 _
2.3.1贝兹理论...................................................................................................................11
& h+ f% R: ]1 A+ j' m; I, W 2.3.2涡流理论..........................................................................................13* C- }3 ~, V) j9 r1 t. `' k
2.3.3叶素理论.................................................................................................14
, W5 T* k/ z1 Z+ C9 _; N" V+ h 2.3.4动量理论.........................................................................................................16
& T0 S4 i& N+ ]! S7 o3 y2.4本章小结................ ................................................................................17! F- h5 y8 h, C/ ^
第三章叶片设计.......................:...............................................18
/ J# H) a T6 k1 x3.1前言.......................................................................................................18! C6 N$ [! N0 s! s
3.2风力机特征风速的确定............................................................................................18
1 _! Q' j6 h4 I$ l S6 y 3.2.1风速的数学表达式..............................................................................................18
4 D# \7 p4 \% x9 n* F; Z5 h 3.2.2风力机特征风速的推导计算.................................................................................. 20. q" o7 C: z9 {8 A: r; V" E9 V- x2 G
3.3叶片基本设计方法....................................................................................................21; }+ y7 c) ?+ ^; x% f* \
3.3.1计算风轮直径模型..........................................................................................21
, H- R5 Q4 ~+ w4 |) w& Q3 t; e 3.3.2叶片重要参数的选取.............................................................................................. 23, p6 C, A$ P5 }% ~' z; E; C
广西大学ZXt学位论文$ n; L4 O2 @$ Y! ~9 S7 c2 N( L
风办发电机叶t卜iR计研究9 q0 H& {! |5 i, ]6 r
3.3.3叶展形状设计模型..............................................................................................25/ X" T \3 F- O, x5 g4 @4 n0 Y
3.4叶片设计实例.................................................................................................29
x5 \: L X! v; p% I% L 3.4.1风力机特征风速的确定.......................................................................................... 29
- U$ p9 ?, \; l7 P! [ 3.4.2叶片重要参数选取..............................................................................................303 A% T$ k$ B8 F
3.4.3叶展形状设计...................:..........................................................................32- e* W2 t* B) _
3.5设计结果形象化................................................................................................41
) u1 J8 \9 e3 e2 J, U 3.5.1叶片截面空间坐标的求解...................................................................................... 41
- K A7 v; u* w+ L) P& }6 O 3.5.2叶片计算机3D绘图............................................................................................... 44
0 C& G1 l6 b2 H; I 3.5.3该3D建模方法的优点........................................................................................... 45
) J' }2 e% a1 N2 v/ i2 O3 S# T3.6叶片模型图......................................................................................................... 46$ R; D! V2 H" w1 G$ i
3.7本章小结................................................................................................................47$ n! `7 t& U% `
第四章静态气动性能模拟计算........................:.............................. 486 d$ [8 `- g. d6 u4 _
4.1前言.......................................................................................................48
& j+ R# @* H( _5 X 4.1.1有量纲性能指标...................................................................................................... 48
- i1 a% `2 c. j/ w 4.1.2无量纲性能指标、..................................................................................................... 48
# ^' x/ T& T0 X. h0 @$ ]" g0 q 4.1.3有量纲指标和无量纲指标关系......................................................................48
$ Y( N1 u" ` J1 e' J4.2叶片气动性能计算...............................................................................................494 {+ I6 `6 \: {. ]( ?
4.2.1贝茨模型..........................................................................................................49
- G' T& E/ g& |" O' @ l7 A 4.2.2涡流模型—Glauert模型和Wilson模型.................................................49
" M0 ?/ d) I7 `1 V4.3各种修正系数..............................................................................................54
/ _2 E; f6 p/ d n, }0 m 4.3.1叶片数修正...................................................................................54
1 V. H7 z4 B; o: U7 E 4.3.2翼型修正....................................................................................................55 ?$ |7 {8 Y- t
4.3.3叶尖修正..........................................................................................................55
5 s5 A& @" @7 A2 B8 O1 a" v/ v 4.3.4轮毅修正..............................................................................................................56: L4 H( e e6 D! W
4.4模型修正结果................................................................................................56( d+ q( C$ D! n% q- w6 N
4.4.1性能修正表..........................................................................................................57
# n. u& p3 N3 Y' c& H 4.4.2结果分析..........................................................................................................60 y/ a" S+ ^: l) Z% P* F
4.5本章小结........................................................................................................................ 612 M: u$ R, t* I1 o/ g- ?
第五章叶片动力学分析........................................................... 62
' f$ H% t) j$ y4 b广西大学祠盯士学位金仑.弋
. S( I' R7 O0 r( R4 w1 s( I% J7 U风办发电机叶少卜宝又计笼开乡t
/ {: D, d/ N! |3 C5 X# p5.1前言............................................................................................................62
. Y o$ ^$ Z% ?' i1 t, F7 S5.2动力学分析方法............................................................................................................ 621 X3 b7 n& _+ z! c2 `1 m
5.3计算模型................................................................................................................633 o& D! N5 F5 @: S; e& G
5.4分析工具................................................................................................................63* B+ A/ ~$ Y# [# ~3 K
5.5分析步骤.............................、.............................................................................65$ U' i/ K" y3 T+ a$ a
5.5.1有限元建模.............................................................................................................. 65: U) D6 A# C1 d" H# A
5.5.2施加约束..........................................................................................................67
/ d; ?' x2 m9 Q, u1 x+ U5.6计算结果........................................................................................................67
5 g4 o# ^/ l9 q8 I& [9 T 5.6.1模态计算结果..................................................................................................67
9 d; V% t5 A5 i+ x 5.6.2结果分析..............................................................................................................68
/ R2 G3 o$ B7 L$ D, U6 O% `$ ?8 O 5.6.3对比计算.................................................................................................................. 72
a+ I( e! ?8 Y 5.6.4计算模型的改进...................................................................................................... 74
. z. e( x2 L2 ?/ X 5.6.5结论..................................................................................................................74% y5 s$ E) m g6 m, _' t5 {& T
5.7本章小结................................................................................................................74
9 D& F2 N% L5 E1 B' j% c备第六章结论及展望................................................................................ 76( M1 L2 h% { Z9 E+ x Q
6.1结论....................................................................................................................76' e E2 H# c1 R1 I) ^, U
6.2论文堕待解决的问题.................................................................................................... 77
1 ^, i) v8 d( h5 {6 b6.3展望..................................................................................................................77( F, [- F3 k* _
参考文献.......................................................................:..784 B1 K F" {, a
附录1翼型NACA4412数据.....................................................82
. U) H+ x; v4 s f6 H/ L附录2翼型NACA4412气动性能表(RE=500000) ............................................................ 836 I, j7 y4 l* W# [3 a6 `% o
附录3翼型NACA4412气动性能图(RE=500000) ................................................. 84$ ?- F# ~1 S+ [$ ]! a* r: z
致谢.......................................................................................................... 85
* n! `: |, d \7 \; d% {7 D7 O攻读学位期间发表的学术论文目录................................................................................... 86 |
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