專利名稱：渦輪噴嘴的翼面形狀的制作方法
技術(shù)領(lǐng)域：
本發(fā)明涉及燃?xì)鉁u輪的噴嘴級(jí)的翼面，尤其涉及燃?xì)鉁u輪的第三級(jí)噴嘴的翼面。
背景技術(shù)：
為了滿足設(shè)計(jì)目標(biāo)，包括改善總的空氣動(dòng)力學(xué)效率和噴嘴的空氣動(dòng)力學(xué)與機(jī)械負(fù)載目標(biāo)，對(duì)于燃?xì)鉁u輪的熱氣體通道部分的每一級(jí)，都必需滿足許多特殊的要求。特別是，為了達(dá)到這些目標(biāo)，渦輪部分的第三級(jí)必需滿足效率、熱負(fù)荷，壽命，喉部面積和引導(dǎo)的要求。
發(fā)明概述根據(jù)本發(fā)明的一個(gè)優(yōu)選實(shí)施例，提供了燃?xì)鉁u輪的噴嘴級(jí)，最好是第三級(jí)噴嘴的增強(qiáng)該燃?xì)鉁u輪性能的翼面形狀。該翼面形狀改善在該渦輪的各個(gè)葉片組之間的相互作用，提高通過第三級(jí)的空氣動(dòng)力學(xué)效率和改善第三級(jí)葉片的負(fù)荷情況。因此，部分地限定圍繞該噴嘴級(jí)的熱氣體通道環(huán)形部分的每一個(gè)第三級(jí)噴嘴翼面輪廓，滿足提高級(jí)的效率以及零件壽命和制造能力的要求。
優(yōu)選的第三級(jí)噴嘴設(shè)在噴嘴部分中，每一個(gè)噴嘴部分具有內(nèi)環(huán)帶和外環(huán)帶，在它們之間有翼面，翼面在圓周上彼此間隔。在這個(gè)優(yōu)選實(shí)施例中，共有16個(gè)噴嘴部分，和總共64個(gè)翼面，即每一個(gè)噴嘴部分有4個(gè)翼面。
翼面形狀可改善空氣動(dòng)力學(xué)效率和第三級(jí)噴嘴翼面的空氣動(dòng)力學(xué)和機(jī)械負(fù)載。達(dá)到必要的效率和負(fù)載要求，因而可改善渦輪性能的該噴嘴翼面輪廓，由唯一的一個(gè)點(diǎn)軌跡確定。這些唯一的總軌跡確定名義噴嘴翼面輪廓，并用下面表1的笛卡兒坐標(biāo)X，Y和Z表示。表1中所示的坐標(biāo)值的點(diǎn)是相對(duì)于渦輪中心線的，并且是沿著翼面長度的各個(gè)橫截面處的冷的(即室溫)噴嘴翼面的。正的X，Y和Z方向在軸向與從后面向著渦輪排氣口看的渦輪轉(zhuǎn)子中心線平行，并且在從后面和向外向著該噴嘴的外帶看的發(fā)動(dòng)機(jī)回轉(zhuǎn)方向的切線方向上。X和Y坐標(biāo)用距離尺寸(例如，以英寸為單位)給出，并且在每一個(gè)Z位置光滑地連接，以形成一個(gè)光滑的連續(xù)的翼面橫截面。Z坐標(biāo)用0～1的無量綱形式給出。通過將用英寸表示的噴嘴翼面高度尺寸，與表1的無量綱的Z值相乘，可得到噴嘴翼面的翼面形狀(即輪廓)。將每一個(gè)在X和Y平面內(nèi)形成的翼面截面光滑地與Z方向的相鄰的翼面截面連接，形成完整的噴嘴翼面形狀。
因?yàn)槊恳粋€(gè)噴嘴翼面使用中受熱，結(jié)果由于應(yīng)力和溫度作用，該輪廓改變。因此，為了制造目的，用X，Y和Z坐標(biāo)給出冷態(tài)或室溫的輪廓。因?yàn)橹圃斓膰娮煲砻婵赡芘c由下表給出的名義噴嘴翼面輪廓不同，因此在與沿著名義輪廓的任何表面位置垂直的方向上，包括涂層的與名義輪廓距離正或負(fù)的160英寸的距離，確定這個(gè)噴嘴翼面的輪廓包絡(luò)面。翼面形狀可承受這種改變，不會(huì)損害噴嘴翼面的機(jī)械和空氣動(dòng)力學(xué)功能。
噴嘴翼面的幾何形狀可按比例放大或縮小，以便引用至相同的渦輪設(shè)計(jì)中。因此，下面的表1給出的以英寸表示的名義翼面輪廓的X和Y坐標(biāo)可以為同一個(gè)常數(shù)或數(shù)值的函數(shù)。即以英寸表示的X，Y坐標(biāo)值可以乘以或除以相同的常數(shù)或數(shù)值，以形成噴嘴翼面輪廓的按比例放大或縮小的形式，同時(shí)保持翼面截面形狀。
在根據(jù)本發(fā)明的一個(gè)優(yōu)選實(shí)施例中，提供了一種渦輪噴嘴，它包括具有翼面形狀的一個(gè)翼面；所述翼面具有基本上按照表1給出的笛卡兒坐標(biāo)系的X，Y和Z值的名義輪廓，其中，Z值為在0.1～0.9范圍內(nèi)的無量綱值，通過將在所述范圍內(nèi)的表1Z值與用英寸表示的翼面高度相乘，可將Z值轉(zhuǎn)換為用英寸表示的Z距離，其中X和Y值為用英寸表示的距離，當(dāng)用光滑的連續(xù)圓弧連接時(shí)，這些X和Y值限定了在所述范圍內(nèi)的每一個(gè)距離Z處的翼面輪廓截面，在所述范圍內(nèi)的Z距離處的輪廓截面光滑地互相連接，形成所述的噴嘴翼面形狀。
在根據(jù)本發(fā)明的另一個(gè)優(yōu)選實(shí)施例中，提供了一種渦輪噴嘴(22)，它包括具有不涂層的名義翼面輪廓的一個(gè)翼面；該翼面基本上按照表1給出的笛卡兒坐標(biāo)系的X，Y的Z值，其中Z值為在0.1～0.9范圍內(nèi)的無量綱值，通過將在所述范圍內(nèi)的表1Z值與用英寸表示的翼面高度相乘，可將Z值轉(zhuǎn)換為用英寸表示的Z距離，其中，X和Y值為用英寸表示的距離，當(dāng)用光滑的連續(xù)圓弧連接時(shí)，這些X和Y限定了在所述范圍內(nèi)的每一個(gè)距離Z處的翼面輪廓截面，在所述范圍內(nèi)的Z距離處的輪廓載面光滑地互相連接，形成所述的噴嘴翼面形狀。X，Y和Z距離，作為同一個(gè)常數(shù)或數(shù)值的函數(shù)，其比例可改變，以形成比例放大或縮小的翼面。
在根據(jù)本發(fā)明的又一個(gè)優(yōu)選實(shí)施例中，提供了一種渦輪，它包括具有多個(gè)噴嘴的一個(gè)渦輪級(jí)，每一個(gè)噴嘴包括一個(gè)具有翼面形狀的翼面，該翼面具有基本上按照表1給出的笛卡兒坐標(biāo)系的X，Y和Z值的名義輪廓；其特征為，Z值為在0.1～0.9范圍內(nèi)的無量綱值，通過將在所述范圍內(nèi)的表1Z值與用英寸表示的翼面高度相乘，可將Z值轉(zhuǎn)換為用英寸表示的Z距離，其中，X和Y值為用英寸表示的距離，當(dāng)用光滑的連續(xù)圓弧連接時(shí)，這些X和Y值限定了在所述范圍的每一個(gè)距離Z處的翼面輪廓截面，在所述范圍內(nèi)的Z距離處的輪廓截面光滑地互相連接，形成所述的噴嘴翼面形狀。
附圖簡述
圖1為通過燃?xì)鉁u輪的熱氣體通道的示意圖，它表示根據(jù)本發(fā)明的一個(gè)優(yōu)選實(shí)施例的第三級(jí)噴嘴的翼面；圖2為表示放置在內(nèi)帶和外帶之間的、根據(jù)本發(fā)明的4個(gè)翼面的第三級(jí)噴嘴部分的透視圖；圖3為在圖1和圖2中所示的噴嘴部分的翼面的透視圖；圖4為從外端，沿著徑向向內(nèi)，向著渦輪中心線看的第三級(jí)噴嘴翼面的頂部視圖；和圖5為在翼面的內(nèi)端和外端的中間的，并且大致沿著圖3的5-5線所取的有代表性的翼面輪廓截面。
發(fā)明詳述參見附圖，圖1為表示包括多個(gè)渦輪級(jí)的渦輪12的一個(gè)多級(jí)渦輪部分10的一部分。圖中表示三個(gè)級(jí)。例如，第一級(jí)包括多個(gè)在圓周上彼此間隔的噴嘴14和葉片16。噴嘴在圓周上彼此間隔，并且固定在渦輪軸線周圍。葉片16安裝在渦輪轉(zhuǎn)子27周圍，并且在圓周上彼此間隔7。圖中還表示了渦輪12的第二級(jí)，它包括多個(gè)圓周上彼此間隔的噴嘴18和多個(gè)安裝在轉(zhuǎn)子上的葉片20。圖中還表示了第三級(jí)，它包括多個(gè)在圓周上彼此間隔的噴嘴22和葉片24。噴嘴和葉片位于由箭頭26所示的該渦輪的熱氣體通道中。
又如圖2所示，噴嘴(例如，第三級(jí)噴嘴22)相應(yīng)地形成在環(huán)形內(nèi)圓環(huán)和外圓環(huán)之間在徑向延伸的翼面或葉片。這些翼面或葉片也部分地形成通過渦輪12的熱氣體通道26。如圖2所示，第三個(gè)噴嘴級(jí)由多個(gè)噴嘴部分30組成，該噴嘴部分固定在一起，形成圍繞著轉(zhuǎn)子回轉(zhuǎn)軸線的一個(gè)噴嘴部分的圓周組。每一個(gè)噴嘴部分30都包括一個(gè)或多個(gè)翼面31，在這個(gè)優(yōu)選實(shí)施例中，包括4個(gè)翼面31。翼面31由橫截面為圖3和圖4所示的翼面形狀34的一個(gè)葉片32構(gòu)成。即噴嘴葉片32徑向橫截面的輪廓為翼面形狀34，其翼面輪廓截面35和圖5所示。該葉片32分別在形成內(nèi)環(huán)和外環(huán)的內(nèi)帶36和外帶38之間延伸。在這個(gè)優(yōu)選實(shí)施例中，每一個(gè)部分30有4個(gè)翼面31，渦輪的第三級(jí)共有16個(gè)部分30和64個(gè)翼面31。
為了確定使導(dǎo)向的熱氣體流動(dòng)，在渦輪其他級(jí)之中的相互作用和渦輪總效率為最優(yōu)的第三級(jí)噴嘴翼面31的翼面形狀34，在空間存在唯一的一個(gè)可以滿足級(jí)的要求和可以制造的點(diǎn)集或點(diǎn)軌跡。這個(gè)唯一的點(diǎn)軌跡滿足噴嘴負(fù)載和級(jí)效率的要求，并可通過在空氣動(dòng)力學(xué)和噴嘴的機(jī)械負(fù)荷之間的循環(huán)重復(fù)來達(dá)到，使得該渦輪可以有效、安全和平穩(wěn)地運(yùn)轉(zhuǎn)。確定噴嘴翼面輪廓的該軌跡包括在下面的表1中給出的笛卡兒坐標(biāo)系X，Y和Z中的1300個(gè)點(diǎn)的點(diǎn)集。表1中的X和Y坐標(biāo)值用英寸表示，但當(dāng)該值可以轉(zhuǎn)換時(shí)，也可以用其他尺寸單位表示。表1中的Z值為從0～1的無量綱的值。為了將該Z值轉(zhuǎn)換為以英寸表示的Z距離，將表1中給出的無量綱的Z值與用英寸表示的一個(gè)常數(shù)(例如，噴嘴翼面的高度)相乘。該翼面高度是從在后緣處的噴嘴翼面根部，向外至翼面頂部測量的。從Z＝0至Z＝1的每一個(gè)噴嘴的高度為15.420英寸。該坐標(biāo)系具有垂直的X，Y和Z軸，而Z軸在與包含X和Y值的平面垂直的平面內(nèi)延伸。Y軸與渦輪轉(zhuǎn)子中心線平行。
通過確定在與X，Y平面垂直的Z方向上的選擇的位置上的X和Y坐標(biāo)值，可以確定在每一個(gè)Z距離處的翼面31的輪廓。利用光滑的連續(xù)圓弧，將X和Y值連接起來，則可以確定在每一個(gè)距離Z處的每一個(gè)輪廓截面。通過將相鄰的橫截面互相光滑地連接，形成翼面，可以確定距離Z之間的各個(gè)表面位置的表面輪廓。表1中的值代表在周圍，非工作或非熱條件下的翼面輪廓，并且是不涂層翼面的翼面輪廓。如一般在笛卡兒坐標(biāo)系中使用的那樣，通常的符號(hào)規(guī)則是將正值賦予Z值，而X和Y坐標(biāo)則賦予正和負(fù)值。
從附圖和表1可看出，在0.0～1范圍內(nèi)的Z距離和相應(yīng)的X，Y坐標(biāo)包括翼面輪廓，該輪廓相應(yīng)地和部分地位于確定熱氣體通道的內(nèi)帶和外帶表面的徑向內(nèi)側(cè)和外側(cè)。由表1的坐標(biāo)部分地確定的這種輪廓，作為內(nèi)帶和外帶之間的翼面的一部分，是假想的，實(shí)際上不存在。通過將無量綱的Z值限制在Z＝0.1～0.9的范圍內(nèi)，由相應(yīng)的X，Y坐標(biāo)確定的翼面輪廓形成和確定著內(nèi)帶和外帶之間的翼面的主要部分，而不使這些翼面輪廓與內(nèi)帶和外帶相交。
表1的值表示至4個(gè)十進(jìn)制位用以確定噴嘴翼面的輪廓。然而，第4個(gè)十進(jìn)制位置不重要，可以四舍五入。在翼面31的實(shí)際輪廓中，必需考慮一般的制造公差和涂層。因此，表1給出的輪廓值是名義翼面的。這樣，制造的噴嘴翼面31的實(shí)際輪廓可以在該翼面表面上的測量點(diǎn)和表1所列的表面的理想位置之間的變化范圍內(nèi)。該設(shè)計(jì)能耐受這種變化，不會(huì)損害機(jī)械和空氣動(dòng)力學(xué)功能。因此，在下面的表1給出的X和Y值上要添加一般的±制造公差，即包括涂層厚度的±值。因此，在與沿著翼面輪廓任何表面位置垂直的方向上的±0.160英寸的距離，形成這個(gè)特定的第三級(jí)噴嘴翼面的翼面輪廓包絡(luò)面。
下面的表1給出了優(yōu)選的名義輪廓包絡(luò)面的坐標(biāo)值。
表1-0.0077 0.137300.03730.099400.03070.209300.06900.281400.13220.232200.17930.298900.14580.425500.10740.353500.08510.165500.30010.713400.32230.497700.18420.497600.22280.569600.22670.36530
0.26140.641500.27440.431600.46780.694800.33880.785300.37050.563700.37760.857100.41900.629400.41640.929000.45531.000700.51690.760000.53341.144200.49431.072500.56640.825000.57261.215800.61630.889600.66660.953900.69071.430400.71741.017900.65121.359000.76861.08140
0.61181.287400.73031.501800.85061.715200.87281.207200.81031.644200.92571.269400.77021.573100.82041.144601.01501.997401.08891.452100.97331.927200.93211.856700.97941.330900.89121.786001.03381.391801.18702.275001.32312.478701.27692.411401.23152.343501.31811.68470
1.14312.206201.14491.511501.09992.136901.20171.570201.05722.067301.25941.627901.37781.740401.43861.794901.50041.848201.75972.046701.51972.739401.56341.900101.82762.091901.68572.919301.46842.675901.62761.950601.62822.861401.41862.611101.69301.999501.57292.80130
1.37032.545302.01333.160602.03962.214401.74582.974601.94213.120502.11302.250201.89692.135101.87393.075702.18772.283302.08733.195101.96762.1760018085 3.026902.26352.313602.32243.261702.34032.341302.65552.426002.24233.245902.41802.366302.48513.273302.16373.22360
2.49652.388702.40353.270802.57572.408602.56663.268902.97812.476002.80523.216102.73572.440902.72713.239902.81642.453602.64743.257702.89732.464903.21592.532303.16473.025602.88133.186703.09733.071603.05872.489103.02743.113803.13852.506602.95543.152403.37332.78050
3.28762.571103.33702.853303.34762.626003.28682.917703.38032.699903.22862.974800.73931.45430.10.78221.53340.10.91261.76940.10.82531.61220.10.86881.69090.10.95681.84770.11.00151.92580.11.04662.00350.10.09050.05350.1-0.0112 0.02060.10.0390-0.0200 0.10.03000.10050.10.07110.18050.10.11230.26040.1
0.15360.34030.10.24450.27500.10.19490.42010.10.19300.20130.10.14160.12750.10.27760.57980.10.31910.65950.10.36070.73930.10.23620.50000.10.50600.64060.10.44400.89860.10.45290.56800.10.48580.97820.10.40230.81890.10.29610.34860.10.40030.49510.10.34810.42200.10.61191.21660.10.66760.85650.10.61330.78490.1
0.52771.05770.10.55940.71290.10.56981.13720.10.72250.92780.10.65421.29590.10.83371.06910.10.69661.37520.10.77780.99860.10.94741.20840.10.89021.13900.11.00521.27720.11.12341 41270.11.06391.34530.11.18391.47930.11.13882.15790.11.18602.23440.11.23402.31040.11.28292.38590.11.33272.46070.11.38372.53480.1
1.72342.95300.11.66172.88770.11.48972.68000.11.54502.75090.11.43592.60790.11.60232.82020.11.92483.13210.11.78783.01580.11.85483.07570.11.99773.18480.12.07353.23300.12.15233.27640.12.23692.30870.12.31882.34580.12.23373.31430.12.31773.34630.12.40383.37220.12.49153.39190.12.48662.41030.12.40202.37970.1
2.57222.43760.12.74632.48230.12.65892.46160.11.09242.08090.11.30761.60970.11.24521.54500.11.37111.67340.11.50151.79710.11.43571.73590.11.63701.91530.11.56861.85700.11.70671.97210.11.92462.13090.11.85052.08000.11.77792.02700.12.07762.22530.12.00042.17940.12.15652.26840.12.58043.40530.12.67003.41230.1
2.75993.41300.12.84963.40730.12.93873.39530.13.02673.37720.13.11333.35300.13.28073.28770.13.36093.24720.13.43873.20210.13.19813.32310.13.51333.15190.12.83452.50010.13.01212.52770.12.92312.51510.13.19062.54940.13.10142.53880.13.27982.56060.13.54282.61790.13.45692.59170.13.36882.57390.13.73832.87950.1
3.58353.09580.13.73732.79050.13.64733.03260.13.69372.71300.13.70192.96120.13.62352.65720.11.42792.60100.21.48502.68150.21.54382.76080.21.60452.83870.21.66742.91490.21.73262.98900.21.80043.06080.21.94463.19560.21.87103.12980.22.02123.25780.22.10113.31580.22.27043.41730.22.35953.45990.22.18423.36910.2
2.45113.49650.22.54513.52680.20.51080.96590.20.42230.78940.20.46650.87770.20.0288-0.0075 0.20.07240.08120.20.0962-0.0562 0.2-0.0147 -0.0961 0.20.26100.19000.20.20310.34700.20.20590.10800.20.15090.02610.20.11590.16980.20.15950.25840.20.0414-0.1382 0.20.33430.61260.20.37820.70100.20.42790.43470.20.24680.43550.2
0.37190.35340.20.29050.52410.20.31640.27170.20.48420.51580.20.59830.67700.20.54100.59660.20.55531.05400.20.60001.14210.20.64491.23000.20.71440.83680.20.69001.31790.20.89301.07310.20.73541.40560.20.83280.99480.20.78111.49310.20.77330.91600.20.87351.66760.20.92031.75460.21.06382.01370.20.96761.84120.2
1.01541.92770.21.01551.22800.20.82711.58050.20.95391.15080.21.14151.38000.21.07811.30440.21.20601.45480.20.65610.75710.21.21352.26930.21.26532.35340.21.11282.09940.21.16272.18460.21.31822.43680.21.37242.51930.21.40591.67340.21.33811.60160.21.27151.52870.21.54541.81320.21.47491.74400.21.76582.01100.2
1.92102.13310.21.84252.07320.21.69071.94680.21.61731.88080.22.00132.19050.22.16772.29670.22.08352.24520.22.25392.34480.22.34202.38940.22.61622.50110.22.52332.46760.22.43192.43040.22.71052.53050.22.64093.55070.22.73813.56810.22.83623.57920.22.93483.58390.22.99962.59410.22.90242.57690.22.80592.55580.2
3.03353.58230.23.29352.63040.23.13193.57450.23.19532.62020.23.09732.60830.23.39182.63970.23.32633.54050.23.42163.51450.23.58842.65900.23.49012.64900.23.22973.56050.23.78332.69000.23.69463.40060.23.68632.67150.23.78033.35160.23.51493.48240.23.87782.71820.23.60603.44430.24.00953.16570.24.04782.81650.2
3.96742.75950.23.86243.29680.23.93953.23530.24.06893.08700.24.10612.99610.24.10072.89850.20.16350.18010.30.30030.47480.30.33510.20240.30.20900.27840.30.25460.37660.30.34610.57290.30.51220.47480.30.39200.67100.30.45280.38420.30.43810.76900.30.39380.29340.31.01461.93360.31.06602.02900.31.11822.12390.3
0.57761.06240.30.62461.16000.30.67191.25740.30.71951.35470.30.76741.45190.30.57210.56500.30.48440.86690.30.53090.96470.30.69340.74450.30.63240.65490.30.81710.92230.30.75490.83360.30.87991.01050.30.81581.54880.31.07341.27150.30.86461.64540.31.00801.18520.30.91401.74180.30.94361.09810.30.96401.83790.3
1.20731.44180.31.13981.35710.31.22552.31200.31.28092.40510.31.17132.21830.31.45552.67900.31.33762.49740.31.39582.58870.31.51702.76820.31.58052.85590.31.64612.94210.31.71413.02640.31.78473.10850.31.79832.07400.31.71842.00090.31.88032.14470.31.96452.21290.31.34591.60820.31.27601.52550.31.41721.68970.3
1.56431.84870.31.49001.76990.31.64041.92570.31.93463.26480.32.01433.33810.31.85813.18810.32.09733.40760.32.18383.47280.32.13962.34020.32.05092.27820.32.23082.39860.32.32452.45290.32.27373.53310.32.61972.58800.32.36713.58800.32.51912.54780.32.46373.63690.32.42072.50270.32.72212.62330.32.56323.67960.3
0.11800.0818 0.30.1025-0.16310.3-0.0184 -0.21310.30.0445-0.25450.30.0271-0.11480.30.0725-0.01650.30.1602-0.07150.30.27670.1112 0.30.21840.0199 0.32.66533.7156 0.32.76963.7446 0.32.87573.7665 0.33.09093.7896 0.32.98293.7815 0.33.03762.6996 0.32.93132.6789 0.32.82602.6535 0.33.36022.7373 0.33.25232.7280 0.33.14472.7157 0.3
3.19923.79100.33.30733.78580.33.41503.77420.33.52183.75630.33.62743.73240.33.73143.70220.33.68462.75570.33.57642.75010.33.46832.74430.33.79272.76250.33.90062.77160.33.93303.62340.34.02993.57510.33.83343.66590.34.21393.46110.34.47903.13040.34.29863.39360.34.46973.02360.34.37543.31730.34.12393.52120.3
4.44023.23070.34.21902.83270.34.11472.80390.34.00812.78460.34.40792.93610.34.31822.87580.30.64271.18580.40.74191.40040.40.79211.50750.40.69211.29320.41.16512.24620.41.05402.03740.41.10902.14210.40.94681.82660.40.99991.93230.40.84301.61420.40.89451.72060.41.06161.22680.41.27341.51130.41.20151.41740.4
1.13101.32260.40.0479-0.3697 0.40.0249-0.2216 0.40.0717-0.1130 0.40.1085-0.2682 0.4-0.0220 -0.3302 0.40.16530.10410.40.21220.21260.40.2300-0.0654 0.40.1691-0.1667 0.40.1185-0.0045 0.40.35370.53790.40.25920.32110.40.30640.42960.40.53860.43890.40.40120.64620.40.47610.33850.40.44890.75440.40.49690.86240.40.29110.03590.4
0.41410.23780.40.35250.13690.40.54510.97040.40.72930.73800.40.59381.07810.40.66510.63870.40.60160.53890.40.79410.83680.40.92611.03300.40.85970.93520.40.99341.13030.41.60122.94900.41.67153.04400.41.74443.13710.41.82023.22780.41.34162.55380.41.22252.34950.41.28122.45210.41.40362.65450.41.46742.75400.4
1.49801.78580.41.42151.69560.41.34671.60410.41.57611.87450.41.65621.96150.41.53332.85220.41.90982.20940.41.99922.28670.41.82292.12920.41.73852.04650.41.89913.31590.41.98123.40100.42.06673.48260.42.15583.56030.42.24863.63360.42.34503.70200.42.44513.76480.42.54883.82160.42.18612.43160.42.09132.36090.4
2.28372.49830.42.38422.56050.42.59412.66920.42.48772.61760.42.81432.75500.42.70302.71510.42.65593.87180.42.76593.91510.42.87853.95110.42.99323.97940.43.10964.00020.43.04262.81610.42.92762.78870.43.39352.86610.43.27592.85440.43.15882.83790.43.46334.01780.43.22714.01340.43.34514.01930.43.58134.00930.4
3.69853.99400.43.51152.87380.43.62972.87860.43.98432.88530.43.86612.88310.43.74792.88130.43.92953.94410.44.04253.90950.43.81473.97220.44.36733.76790.44.15343.86850.44.26183.82120.44.22042.89790.44.10242.88980.44.45432.93170.44.33782.91130.44.56862.96180.44.46973.70890.44.56813.64330.44.74463.48670.4
4.77593.07210.44.67783.00670.44.66063.56980.44.84573.16620.44.81553.39220.44.85743.28260.41.26212.48430.51.14012.25890.51.20032.37200.51.32572.59560.51.39122.70570.51.45892.81450.51.67643.13150.51.75433.23330.51.52892.92190.51.60133.02760.52.61273.99220.51.83523.33260.51.91953.42920.52.00723.52260.5
2.09863.61240.52.19373.69830.52.14262.40890.52.04502.32590.52.24312.48850.52.34672.56400.52.50223.92720.52.67612.76160.52.56312.70110.52.29273.77970.52.45332.63500.52.39563.85620.52.79202.81610.52.72674.05070.52.84404.10220.52.96424.14650.53.08704.18320.53.03192.90600.52.91072.86440.53.15532.94080.5
3.40672.99020.53.28042.96870.53.21194.21200.53.33834.23290.53.46584.24600.53.59384.25130.53.66163.01590.53.53393.00570.53.91783.02420.53.78973.02160.53.97674.22230.53.72194.24900.53.84974.23930.54.10264.19840.54.22704.16760.54.17413.02460.54.04603.02470.54.43043.02860.54.30233.02530.54.34954.12990.5
4.46974.08540.54.58714.03420.54.81293.91310.54.70163.97670.54.55833.03610.54.68583.04970.54.93583.10480.54.81193.07190.55.19113.57330.55.05443.15280.54.91983.84250.55.24043.45590.55.02083.76370.55.23253.32930.55.11283.67450.55.15953.22550.50.35500.50490.50.45200.74210.50.63150.51300.50.50100.86050.5
0.40340.62360.50.0693-0.2091 0.50.0220-0.3282 0.50.2403-0.1490 0.50.1769-0.2603 0.50.1167-0.0900 0.50.16410.02910.50.21150.14810.50.1138-0.3719 0.5-0.0254 -0.4472 0.50.0513-0.4838 0.50.25920.267 1 0.50.43330.18360.50.30700.38600.50.36840.07300.50.3041-0.0378 0.50.56470.40360.50.49870.29380.50.70181.33220.50.80571.56650.5
0.85881.68320.50.75341.44950.50.60041.09680.50.69900.62200.50.65081.21460.50.55050.97880.50.76730.73040.50.97791.05210.50.90670.94550.50.83650.83830.51.02412.03030.50.91281.79940.50.96791.91510.51.27471.47000.51.08142.14490.51.35251.57180.51.12361.26290.51.05021.15790.51.19841.36700.51.51311.77150.5
1.43191.67240.51.59621.86910.51.68131.96500.51.85822.15050.51.76862.05880.51.95032.23960.50.1123-0.1757 0.60.1594-0.0461 0.60.44710.72980.60.30180.34240.60.3156-0.1108 0.60.20670.08350.60.25410.21300.60.38310.00950.60.34980.47170.60.39820.60080.60.52080.24850.60.45150.12930.60.75311.49870.60.91821.87810.6
0.80701.62570.60.86201.75210.61.09552.25190.60.97582.00340.61.03482.12810.60.49640.85860.60.54630.98720.60.59691.11550.60.70021.37130.60.88390.83470.60.80890.71900.60.64821.24360.60.66260.48510.60.59120.36710.60.73520.60240.60.96020.94970.61.11681.17670.61.03781.06370.61.19741.28870.61.27951.39950.6
1.65843.19950.61.74123.30980.61.82733.41750.62.01043.62370.62.10773.72150.62.20893.81520.61.91703.52230.62.42353.98840.62.53684.06700.62.65394.13990.62.31423.90430.61.15792.37500.61.22222.49700.61.35722.73750.61.42832.85570.61.28852.61790.61.44901.61710.61.53651.72380.61.62591.82870.61.50212.97220.6
1.57873.08690.61.81112.03320.61.71741.93190.61.90712.13220.62.00562.22880.61.36331.50900.62.31712.50090.62.21042.41340.62.10662.32260.62.42662.58470.62.77342.80990.62.65482.73960.62.53922.66440.62.89512.87480.62.89894.26630.62.77474.20640.63.02634.31930.63.15644.36490.63.28904.40300.63.42354.43310.6
3.55964.45540.63.69684.46990.63.83454.47660.63.97244.47560.64.11014.46710.64.24704.45100.64.38294.42740.64.51734.39640.64.64974.35790.64.77974.31180.63.14732.98640.63.01982.93370.63.27733.03230.63.40963.07130.63.67943.12830.63.54383.10320.63.95343.15960.63.81603.14700.64.22903.17010.64.09113.16690.6
4.50483.17030.64.36693.17070.64.78063.17410.64.64283.17080.65.05543.19730.64.91833.18220.64.90674.25800.65.03044.19700.65.15054.12920.65.32423.25800.65.19113.22190.65.37623.97100.65.62993.51110.65.47723.87730.65.56123.39370.65.56423.77050.65.45103.31 16 0.65.26624.05420.65.62523.64730.60.1183-0.4745 0.6
-0.0288 -0.5647 0.60.0546-0.5968 0.60.0182-0.4351 0.60.0652-0.3054 0.60.2490-0.2316 0.60.1832-0.3528 0.60.53761.00030.70.58871.13920.70.48730.86110.70.74851.55350.70.64091.27770.70.69411.41580.70.80421.69060.70.86141.82710.70.92021.96290.70.98082.09800.71.04332.23220.71.10792.36540.71.09981.07920.71.01520.95780.7
1.18621.19940.71.27441.31830.70.19920.02100.70.0579-0.7092 0.70.0141-0.5413 0.70.0602-0.4007 0.7-0.0320 -0.6820 0.70.2568-0.3122 0.70.1889-0.4438 0.70.1063-0.2601 0.70.1226-0.5761 0.70.1527-0.1195 0.70.24600.16140.70.29320.30170.70.38900.58180.70.54200.20650.70.43780.72160.70.46860.07800.70.34080.44190.70.3260-0.1814 0.7
0.3966-0.0513 0.70.77150.58660.70.69340.46090.70.61700.33410.70.85110.71140.70.93230.83520.71.24382.62830.71.31562.75780.71.17462.49740.71.39012.88560.71.46763.01170.71.81123.49350.71.54833.13580.71.63243.25760.71.72003.37690.71.64671.77840.71.45651.55170.71.36441.43580.71.55061.66590.71.84561.99770.7
1.74511.88910.71.94852.10410.72.05372.20820.72.21523.92560.71.90623.60700.72.00513.71700.72.10813.82340.72.68424.28550.72.74012.76990.72.32634.02330.72.44164.11610.72.56094.20360.72.86442.85030.72.38462.50420.72.27162.40850.72.16142.30980.72.50032.59650.72.61882.68520.72.81134.36140.72.94194.43110.7
3.07584.49410.73.21274.55030.73.35234.59930.73.49434.64100.73.63844.67510.73.12182.99630.72.99162.92590.73.25493.06100.73.39083.11970.73.67033.21690.73.52933.17180.73.81343.25470.73.95813.28550.74.22644.73350.73.78404.70140.73.93084.72000.74.07844.73070.74.81334.66490.74.37434.72840.74.52174.71530.7
4.66824.69420.74.39893.33690.74.25133.32610.74.10423.30920.74.54683.34280.74.99083.34740.74.84283.34600.74.69473.34520.74.95644.62710.75.09694.58060.75.36764.46140.75.49704.38960.75.23414.52530.75.28643.36160.75.13873.35180.75.43333.37920.75.57873.40710.75.85014.12230.75.62174.30990.75.74044.22160.7
5.94554.00930.76.01663.87990.76.03183.73440.75.96943.60280.75.85513.50980.75.72083.44810.71.05602.34460.80.86281.90980.81.12532.48730.80.92492.05580.80.98932.20070.81.35032.90640.81.27232.76840.81.43163.04260.81.51643.17670.81.19742.62860.81.69703.43740.81.86071.96390.81.79323.56350.82.19652.30090.8
1.89343.68650.82.08212.19100.81.60483.30830.81.97022.07860.82.10613.92170.82.21874.03330.81.99763.80600.82.58144.34100.82.33554.14060.82.45644.24330.82.31322.40820.82.55422.61440.82.43242.51280.82.80582.80760.82.67862.71280.82.93572.89850.80.28290.26500.80.33020.41640.80.42700.71850.80.47680.86910.8
0.37820.56760.80.0545-0.4944 0.80.0098-0.6465 0.80.1945-0.5336 0.80.0995-0.3423 0.80.1270-0.6772 0.80.1447-0.1903 0.80.1903-0.0383 0.80.2639-0.3910 0.8-0.0349 -0.7987 0.80.0614-0.8216 0.80.23630.11340.80.4089-0.1089 0.80.3353-0.2494 0.80.48440.03060.80.56190.16900.80.63331.31840.80.52781.01930.80.57991.16910.80.68821.46720.8
0.74461.61550.80.80281.76300.80.80590.57740.80.72260.44250.80.64130.30630.80.97860.84350.80.89130.71110.81.15941.10410.81.34851.35880.81.25291.23220.81.06800.97450.81.54651.60660.81.44641.48360.81.75361.84690.81.64881.72780.82.97924.60150.83.11894.67640.82.84294.52040.83.55674.86180.83.70794.90970.8
3.26194.74500.83.40794.80690.83.34313.14400.83.20443.06710.82.71024.43340.83.06862.98510.83.48463.21550.83.92613.39200.83.77633.34000.83.62913.28100.84.17295.00860.83.86124.95040.84.01634.98340.84.80595.02570.84.33065.02560.84.48895.03420.84.64755.03430.84.38833.50310.84.23253.47360.84.07833.43660.8
4.54543.52500.85.02013.55530.84.86163.54990.84.70333.54020.84.96355.00830.85.11984.98170.85.27424.94540.85.42594.89920.85.65393.57900.85.49573.56720.85.33723.56120.85.17873.55820.85.85704.69980.85.99074.61450.86.11773.67900.85.57404.84260.85.96643.63140.85.71794.77600.85.81113.59950.86.33794.29250.8
6.25933.74980.86.41584.15490.86.11784.51980.86.43603.99920.86.23514.41310.86.37783.85410.81.00372.31160.91.07552.46540.91.15042.61770.90.46640.88270.90.1354-0.2583 0.90.1799-0.0945 0.90.2706-0.4681 0.90.0914-0.4222 0.90.27140.23240.90.31840.39550.90.36650.55820.90.41580.72060.90.4201-0.1633 0.90.3440-0.3150 0.9
0.22520.06900.90.57970.13630.90.4987-0.0129 0.90.68451.52550.90.74361.68460.90.80491.84290.90.51841.04420.90.57201.20530.90.62731.36570.90.93482.15650.91.41721.41190.91.31441.27690.91.21411.14000.90.86862.00020.91.11621.00140.90.74890.43050.90.66310.28410.90.83710.57550.91.02070.86100.90.92770.71910.9
1.48413.20860.91.87993.75980.91.57693.35080.91.67373.49020.91.77463.62660.91.98953.88930.92.10344.01510.92.22164.13690.92.34404.25450.92.47044.36780.92.60084.47640.91.22862.76840.91.31012.91720.91.39523.06400.91.63041.67610.91.52251.54500.91.74071.80500.91.85371.93170.92.20842.29690.92.08752.17780.9
1.96932.05600.92.33192.41340.92.58592.63850.92.45782.52720.92.84952.85230.92.71642.74700.92.98532.9541 0.90.1319-0.7779 0.9-0.0375 -0.9148 0.90.0660-0.9343 0.90.0051-0.7505 0.90.0480-0.5863 0.90.2000-0.6224 0.92.87304.67910.93.01454.77280.93.15954.86090.92.73504.58030.93.45945.01990.93.61395.09010.93.30794.94340.9
4.09375.25940.93.77135.15370.93.93135.21020.94.59245.35960.94.76145.37600.94.25825.30100.94.42465.33450.93.26573.14530.93.12413.05190.93.41033.23430.93.86123.47020.93.70803.39720.93.55773.31840.94.01743.53650.94.50203.69160.94.33813.64750.94.17653.59580.95.00363.77680.94.83513.75610.94.66783.72790.9
5.26985.36750.94.93095.38300.95.10065.38030.95.92675.20500.95.43795.34410.95.60415.30960.95.76735.26340.96.50744.85820.96.08105.13460.96.22985.05300.96.37234.96080.96.63184.74280.96.74044.61260.95.17273.79120.95.51183.80570.95.34223.80040.95.85103.81760.95.68153.81030.96.18833.85460.96.02023.83120.9
6.51483.94500.96.35403.89090.96.84474.29790.96.78754.14030.96.66434.02470.96.82244.46460.90.35330.55141.00.59450.10651.00.21180.02671.00.40340.72541.00.5107-0.0541 1.00.25770.20201.00.45520.89901.00.30480.37691.00.68120.26551.00.50881.07201.00.74461.75701.00.80971.92601.00.62211.41611.00.68211.58701.0
1.02262.42581.01.10012.58961.00.87762.09391.01.18122.75151.00.94852.26061.01.47861.47371.00.95850.73281.00.56441.24441.00.86320.57871.00.77070.42301.01.05670.88491.01.36881.32971.01.26181.18351.01.15781.03521.00.0714-1.04751.0-0.0005 -0.85361.00.1671-0.14881.00.2772-0.54461.00.0399-0.67711.00.2056-0.71101.0
0.0812-0.5007 1.00.1372-0.8787 1.0-0.0399 -1.0304 1.00.1236-0.3246 1.00.4298-0.2161 1.00.3519-0.3797 1.01.35473.06951.01.44743.22511.01.54423.37821.01.26602.91161.01.75093.67561.01.86093.81951.01.64543.52841.01.82481.89241.01.70661.75521.01.59121.61561.02.19712.28801.02.07002.15911.01.94592.02711.02.21834.22851.0
2.34624.35681.01.97553.95971.02.09474.09611.03.01493.00281.02.47824.48081.02.87272.89071.02.61414.60051.02.59542.65751.02.46012.53711.02.32732.41401.02.73292.77551.03.19475.03301.02.75394.71561.02.89744.82621.03.04444.93201.03.34835.12901.03.50485.22021.03.66415.30641.03.30773.21601.03.15993.11141.0
3.45843.31651.03.92793.58981.03.76853.50361.03.61203.41241.03.82635.38701.03.99155.46131.04.15985.52821.04.50505.63751.05.12054.00581.04.68115.67981.04.94313.96921.04.76763.92441.04.33115.58701.04.42353.81181.04.25533.74441.04.09013.67021.04.59433.87181.05.29934.03451.05.21885.75451.05.65994.06881.0
4.85905.71371.05.47924.05531.05.03835.73891.05.84084.07631.05.39985.75931.05.58085.75231.05.76085.73261.06.20284.08971.06.02194.08171.06.44775.51311.06.56264.13011.05.93885.69931.06.38334.10461.06.11355.65191.06.28355.58951.06.73944.16911.07.03035.08811.07.19714.44181.06.60545.42411.07.14314.94651.0
7.0688 4.31501.06.7563 5.32401.07.2288 4.78741.06.9108 4.22731.06.8994 5.21311.07.2571 4.61021.0上表所示的翼面幾何形狀比例可以放大或縮小，以便在其他相似的渦輪設(shè)計(jì)中使用。因此，表1所示的坐標(biāo)值的比例可以放大或縮小，使翼面截面形狀保持不變。表1中的坐標(biāo)比例變化的形式可以用由英寸表示的X和Y距離乘以或除以相同的數(shù)值來表示。當(dāng)轉(zhuǎn)換成英寸時(shí)，無量綱的Z值保持相同，或與X和Y值的比例變換相同，可與相同或不同的數(shù)值相乘。
雖然，已結(jié)合目前認(rèn)為是最實(shí)際和優(yōu)選的實(shí)際例說明了本發(fā)明，但應(yīng)當(dāng)理解，本發(fā)明不是僅局限于所述的實(shí)施例；相反，在所附權(quán)利要求書的精神和范圍內(nèi)，它涵蓋各種改進(jìn)和等同的改變。
零件清單多級(jí)渦輪截面10渦輪12噴嘴14，18，22葉片16，20，24渦輪轉(zhuǎn)子27箭頭26噴嘴部分30翼面31葉片32翼面形狀34翼面輪廓截面35內(nèi)帶36外帶38
權(quán)利要求
1.一種渦輪噴嘴(22)，它包括一個(gè)具有翼面形狀(34)的翼面(31)；所述翼面具有基本上按照表1所給出的笛卡兒坐標(biāo)系的X，Y和Z值的名義輪廓，其中，Z值為在0.1～0.9范圍內(nèi)的無量綱值，通過將在所述范圍內(nèi)的表1Z值與用英寸表示的翼面高度相乘，可將Z值轉(zhuǎn)換為用英寸表示的Z距離，其中，X和Y值為用英寸表示的距離，當(dāng)用光滑的連續(xù)圓弧連接時(shí)，這些X和Y值限定了在其所述范圍內(nèi)的每一個(gè)距離Z處的翼面輪廓截面(35)，在所述范圍內(nèi)的Z距離處的輪廓截面光滑地互相連接，形成所述的噴嘴翼面形狀。
2.如權(quán)利要求1所述的渦輪噴嘴，其特征為，它形成渦輪的第三級(jí)的一部分。
3.如權(quán)利要求1所述的渦輪噴嘴，其特征為，在后緣處的翼面(31)的根部半徑為29.255英寸，沿著后緣的高質(zhì)為15.420英寸，所述噴嘴構(gòu)成渦輪第三級(jí)的一部分。
4.如權(quán)利要求1所述的渦輪噴嘴，其特征為，所述翼面形狀(34)處在與任何翼面表面位置垂直的方向上的±0.160英寸內(nèi)的一個(gè)包絡(luò)面內(nèi)。
5.一種渦輪噴嘴(22)，它包括具有不涂層的名義翼面輪廓的翼面(31)；該翼面基本上按照表1給出的笛卡兒坐標(biāo)系的X，Y和Z值，其中，Z值為在0.1～0.9范圍內(nèi)的無量綱值，通過將在所述范圍內(nèi)的表1Z值與用英寸表示的翼面高度相乘，可將Z值轉(zhuǎn)換為用英寸表示的Z距離，其中，X和Y值為用英寸表示的距離，當(dāng)用光滑的連續(xù)圓弧連接時(shí)，這些X和Y值限定了在其所述范圍內(nèi)的每一個(gè)距離Z處的翼面輪廓截面(35)，在所述范圍內(nèi)的Z距離處的輪廓截面光滑地互相連接，形成所過的噴嘴翼面形狀。X，Y和Z距離，作為同一個(gè)常數(shù)或數(shù)值的函數(shù)，其比例可改變，以形成比例放大或縮小的翼面。
6.如權(quán)利要求5所述的渦輪噴嘴，其特征為，它形成渦輪第三級(jí)的一部分。
7.如權(quán)利要求4所述的渦輪噴嘴，其特征為，在其后緣，該翼面(31)的根部半徑為29.255英寸，沿著該后緣的高度為15.420英寸，所述噴嘴構(gòu)成渦輪的第三級(jí)的一部分。
8.一種渦輪，它包括具有多個(gè)噴嘴(22)的一個(gè)渦輪級(jí)，每一個(gè)所述噴嘴包括具有翼面形狀(34)的一個(gè)翼面(31)，所述翼面具有基本上按照表1給出的笛卡兒坐標(biāo)系的X，Y和Z值的名義輪廓；其中，Z值為在0.1～0.9范圍內(nèi)的無量綱值，通過將在所述范圍內(nèi)的表1Z值與用英寸表示的翼面高度相乘，可將Z值轉(zhuǎn)換為用英寸表示的Z距離，其中，X和Y值為用英寸表示的距離，當(dāng)用光滑的連續(xù)圓弧連接時(shí)，這些X和Y值限定了所述范圍內(nèi)的每一個(gè)距離Z處的翼面輪廓截面(35)，在所述范圍內(nèi)的Z距離處的輪廓截面光滑地互相連接，形成所述的噴嘴翼面形狀。
9.如權(quán)利要求8所述的渦輪，其特征為，該渦輪的噴嘴構(gòu)成該渦輪的第三級(jí)的一部分。
10.如權(quán)利要求8所述的渦輪，其特征為，該渦輪級(jí)具有64個(gè)翼面(31)，并且，坐標(biāo)值Y與該渦輪的回轉(zhuǎn)軸線平行延伸。
全文摘要
第三級(jí)噴嘴(22)具有基本上按照表1所示的笛卡兒坐標(biāo)值X，Y和Z的翼面輪廓，其中，X和Y值用英寸表示，并確定在每一個(gè)距離Z處的翼面輪廓截面(35)。Z為在0.1～0.9范圍內(nèi)的無量綱值，通過將表1在所述范圍內(nèi)的Z值，與用英寸表示的翼面高度相乘，可將Z值轉(zhuǎn)換為用英寸表示的Z距離。Z距離處的輪廓截面彼此光滑地連接，形成該噴嘴的翼面形狀。該X和Y距可以比例放大或縮小，形成一個(gè)比例放大或縮小的噴嘴翼面。由X，Y和Z距離給出的名義翼面在±0.160英寸的包絡(luò)面內(nèi)。
文檔編號(hào)F01D5/14GK1580500SQ200410058759
公開日2005年2月16日 申請日期2004年7月30日 優(yōu)先權(quán)日2003年7月31日
發(fā)明者B·P·阿內(nèi)斯, R·R·拜, G·L·西登, P·克里施納庫馬, B·L·史密斯, P·C·塞倫特 申請人:通用電氣公司