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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
: \! d# O6 l7 l! [4 B0 X第一章绪论....................................................................1
- F' Z) T* D- i$ c7 u# [1.1本课题研究背景.....................................................................................................1( k& \# T& z5 @, u5 |
1.2国内外研究技术现状............................................................................................. 2; w* n# D1 n9 m
1.3本课题研究内容........................................................................................................ 2
% a! h! s0 v7 w4 i; E第.章基本概念与基本原理............................................................................................... 5
! u8 M) u* q$ |4 h% [) i( s2.1翼型结构基本概念............................................................................................5, M6 S0 l9 ]- z- M
2.1.1翼型几何参数....................................................................................................5
5 p+ a( z* V) o9 a F 2.1.2翼型介绍................................................................................................7+ S, ^* z% b8 U+ q
2.2翼型空气动力学相关概念......................................................................:....................... 7/ S" Y+ L4 Y. F
2.2.1作用在翼型上的空气动力........................................................................................ 7
7 O+ t/ a7 q* C: g 2.2.2空气动力的影响因素................................................................................................ 9
1 W' ~# @4 k# L* x8 O, q2.3叶片基本气动理论..............................................................................................112 e$ Y6 v: o5 e: o' J
2.3.1贝兹理论...................................................................................................................11
, Z' a; r6 n% d V! S. i. [" m 2.3.2涡流理论..........................................................................................13- {" B4 J; ?8 y5 N9 o
2.3.3叶素理论.................................................................................................14
" s/ X. q5 v7 ~# x D 2.3.4动量理论.........................................................................................................16
) {# o. T+ m( L5 [1 H2.4本章小结................ ................................................................................176 Q/ u# s- `7 p3 S+ s' I
第三章叶片设计.......................:...............................................18
2 W% _/ \% l" n+ J6 z3.1前言.......................................................................................................188 ~, U3 ^7 f/ z7 V
3.2风力机特征风速的确定............................................................................................189 Y) N# b- E5 C9 g) W. ^/ Z
3.2.1风速的数学表达式..............................................................................................18
8 S, C: i0 j2 ]+ j9 l 3.2.2风力机特征风速的推导计算.................................................................................. 202 G S0 I6 m9 X. E
3.3叶片基本设计方法....................................................................................................216 |* i2 D6 Q: x! T3 F; w( g9 O! s
3.3.1计算风轮直径模型..........................................................................................21# K5 \6 X+ _- m4 D" j+ |! N
3.3.2叶片重要参数的选取.............................................................................................. 23
8 k/ {# H$ @3 J2 U, b广西大学ZXt学位论文
1 y/ c/ s3 K/ e# L) `风办发电机叶t卜iR计研究6 X' b5 U6 _# y. Q. d8 W
3.3.3叶展形状设计模型..............................................................................................25
$ a! t" g' Y* d8 a6 Y) T9 q3.4叶片设计实例.................................................................................................29
6 l* ?7 e& b ~/ R( Z 3.4.1风力机特征风速的确定.......................................................................................... 29
" ^+ N0 T, y ~2 x& g- U 3.4.2叶片重要参数选取..............................................................................................30: \& a- Z) R0 t5 r7 d
3.4.3叶展形状设计...................:..........................................................................32
: }+ g" i, g$ d7 z3 J3.5设计结果形象化................................................................................................41
# q9 M1 q7 S+ G$ ~$ V% d# U' H 3.5.1叶片截面空间坐标的求解...................................................................................... 411 \' ]2 _- O4 B! s, F4 V" v* q
3.5.2叶片计算机3D绘图............................................................................................... 44
: `2 U. q3 U# C; y8 D+ J# r/ X' h9 E 3.5.3该3D建模方法的优点........................................................................................... 45* |; d3 p. U+ }2 o& f
3.6叶片模型图......................................................................................................... 468 ?) n1 M" s: p/ ]- b4 F
3.7本章小结................................................................................................................47% Z; u f _# v* u' q2 k! l7 d
第四章静态气动性能模拟计算........................:.............................. 48/ | f/ l) }$ ^, e
4.1前言.......................................................................................................487 G c! z" f0 D
4.1.1有量纲性能指标...................................................................................................... 483 j* H' }) \7 F5 i0 |0 F
4.1.2无量纲性能指标、..................................................................................................... 48
- a+ _- b1 r2 H" H; \! Z% X7 @ 4.1.3有量纲指标和无量纲指标关系......................................................................48
2 p- D4 r0 @2 A4.2叶片气动性能计算...............................................................................................49: T+ l! N7 @/ T2 i0 |2 P
4.2.1贝茨模型..........................................................................................................49" O1 O0 [; g2 a9 u3 g$ Q8 u, Z
4.2.2涡流模型—Glauert模型和Wilson模型.................................................49
( N6 x$ `/ [ _ F l4.3各种修正系数..............................................................................................54
) e; D7 K9 Y6 k4 e! B 4.3.1叶片数修正...................................................................................54
$ Y$ i3 ^$ A- w5 U$ v1 g6 S, L2 Y3 | 4.3.2翼型修正....................................................................................................55
5 S' Q% i' c+ j# F% t2 D 4.3.3叶尖修正..........................................................................................................55
! J% ]( R$ k6 H' u- N d 4.3.4轮毅修正..............................................................................................................56
$ M$ N' p; V9 X4.4模型修正结果................................................................................................56# G+ a9 ]+ V, a% Z6 t
4.4.1性能修正表..........................................................................................................57
: O: h: ]/ Q. e" [6 Z( n6 | 4.4.2结果分析..........................................................................................................60
' M2 E3 @0 W5 Y" [9 a4.5本章小结........................................................................................................................ 61( _* k2 [. H% F$ k0 x6 C
第五章叶片动力学分析........................................................... 62
- r9 O& c3 J1 d A+ [8 T广西大学祠盯士学位金仑.弋5 W; X7 e+ _' ~, ?' G
风办发电机叶少卜宝又计笼开乡t5 i7 X4 q& R; p: h7 ]
5.1前言............................................................................................................628 ~2 N' w1 z5 }, e
5.2动力学分析方法............................................................................................................ 62
, h! w5 z7 p2 @/ ?6 a$ u+ W7 }% _( `5.3计算模型................................................................................................................639 E1 b' [6 }, ?. h% {
5.4分析工具................................................................................................................63
/ F7 w0 a9 t5 e: B, M/ N5.5分析步骤.............................、.............................................................................65
2 Z s8 E! U+ V# [3 g5 j2 A 5.5.1有限元建模.............................................................................................................. 65! f( q- m0 O9 ]- X
5.5.2施加约束..........................................................................................................67% z ~: N7 o+ h. ?% k$ p
5.6计算结果........................................................................................................67
5 A/ h, D4 w0 E \' j# i 5.6.1模态计算结果..................................................................................................67
: ^* K9 t/ d4 C6 g( X3 U9 L+ a7 ] 5.6.2结果分析..............................................................................................................68
( u B% l: y% Y! {1 j9 k3 v" P" g5 E: N 5.6.3对比计算.................................................................................................................. 72" ^1 e: {0 \( X- U* }
5.6.4计算模型的改进...................................................................................................... 749 i8 N0 @# F) O8 x
5.6.5结论..................................................................................................................74, O( `0 V& Z& M/ p3 L% x" I, T5 t1 G
5.7本章小结................................................................................................................74
6 h$ B7 v3 ~0 y$ m2 r备第六章结论及展望................................................................................ 76' _% O- ]* \+ O
6.1结论....................................................................................................................76
( d! x5 b: Y# M6.2论文堕待解决的问题.................................................................................................... 77, g1 |$ X; m3 F
6.3展望..................................................................................................................77
5 ^+ B5 I8 u' W: b( o参考文献.......................................................................:..78& Z, D6 m; M' }. C6 z! W- b7 b
附录1翼型NACA4412数据.....................................................82
' g- S2 A$ p& f$ W附录2翼型NACA4412气动性能表(RE=500000) ............................................................ 83+ h0 G* K8 V5 c* x/ P, a! c+ y1 Z
附录3翼型NACA4412气动性能图(RE=500000) ................................................. 84
9 q7 o8 y6 T6 c) Q致谢.......................................................................................................... 85
; Q! q) B* V. X, o5 h$ a攻读学位期间发表的学术论文目录................................................................................... 86 |
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