CS260982B1 - Gas turbine jet equipment - Google Patents

Abstract

The nozzle device comprises blades forming inter-blade channels between the casings, in one of which an annular gap is provided, positioned perpendicular to the turbine axis and connected to a coolant source. The casing is provided with recesses, stepped on the edge of the gap, spaced from the side of the blade trough and having a length of 0.25 to 0.35 of the width of the inter-blade channel.

Description

3aHBHTeni> IIpoH3BopcTBeHHoe oOtepHHeHHe HeBCKHi 33Βορ ημθηη B.H. JleHHHa H JleHHHrpapCKHn KopaÓneCTpOHTenbHbtíí HHCTHTyT

Ha3BaHne Η3θ6ρβτβΗΗΗί COIIJlOBON ΑΠΠΑΡΑΡ ΓΑ30ΒΟΗ TYPBHHbl

Θ3θ6ρβΤβΗΗβ OTHOCHTCH K OÓJiaCTH 3ΗβρΓβΤΗΗβΟΚΟΓΟ ΜΗΙΠΗΗΟΟΤρΟβΗΗΗ Η ΜΟΧβΤ ÓbITb HCnOJIbSOBaHO B ra3OBbIX TypÓHHaX.

ΗβΒβετβΗ coiuioboíS annapaT ra3OBOH TypóHHbí, copepxamHň nonaTKH, ycTaHOBJíeHHbié c oÓpasoBaHHeM μθχποπβτοηημχ KaHaňoB Mexpy oČenaňKaMH b OPhone H3 kotopbix BbinojiHéHa KOJibpeBaH MenB, pacnonoxeHHan ηηκ / ιοηηο to och TypóHHbí h nopKjiroΗβΗΗβπ κ HCTonHHKy oxnaxpaiomeň cpepbi (1).

HepocTaTKOM yKaaaHHoň KOHCTpyKpHH connosoro annapaTa ηβπηθτοη το, ηΤο en npHcymH 3HauHTejrbHaH HepaBHOMepHocTb oxnaxpeHHH toppobmx noBepxnocTeň (oóeHaen) connosoro annapaTa, oÓycnoBneHHaH βτορηηηημη τθηθηηημη β stack 3θΗβ MewnonaToqHoro Kahan, HTO b cboio onepepb CHHxaeT HapexHocTb.

H3BecTeH tanū ConnoBoň annapaT ra3OBoň TypóHHbí, copepxamHň nonaTKH, ycTaHOBneHHbie c oÓpaaoBaHHeM MexnonaTOHHbix by the burner Mexpy oSenaňKaMH b OPhone H3 κοτορΜχ BbinonHeHa KonbpeBpH MenB, pacnonoxeHHan nepneHpHKynapHo och TypóHHbí η πορκηιοΗβΗΗΗΗ κ HCTOHHHKy oxnaxpaiomeň cpepbl (2).

TanρΗβκο yKa3aHHOMy connoBOMy annapaTy Tanxe npHcyma HepaBHOMepHoCTbio ox-: naiKpeHHH τορροΒΜή noeepxHocTeň (oóenaeK) connoBoro annapaTa.

flenbio Η3θ6ρβτβΗΗΗ ΗΒηΗβτβΗ noBbímeHHe βΦΦθκτηβηοοτη oxnaxpeHHH. yKaaaHHaH penb pocraraeTCH TeM, hto b coiuiobom annapaTe raooň TypóHbí, cópepxameM nonaTKH, ycTaHOBneHHbie c o6pa3OBaHHeM MexnonaTOHHbix KaHanoe. Mexpy obenaňKaMH, β OPhone H3 kotopmx BbinonHeHa KonbpeBan MenB, pacnonoxeHHan nepneHpHKynHpHo och TypóHHbí η πορκηιοΗθΗΗβΗ κ HCTOHHHKy oxnaxpaiomeň cpepw r 260,982 oBenaňKa CHaBxeHa βμθμκβμη, CTynennaTO conpaxeHHbíMH c kpomkoh meJiH, pácnoJIOXeHHblMH CO CTOpOHbl KOpbITa JIOIiaTKH Η ΗΜβΙΟΙφΙΜΗ flJIHHy, cocTanjiaiomyio 0,250,35 nttípHHbí MexnonaTOHHoro KaHaiia .

Ha nepTexe H3o6paxeH cormoBon annapaT ra3OBon TypeBHHb.

CoruioBoň annapaT conepxHT JionaTKH 1 ycTaHOBJíeHHbie c o6pa3OBaHneM MexnonaTOHHbix xanajioB 2 Mexny oBenaňKaMH 3; op The Hon H3 kotopmx BbinojiHeHa KOJibfleBaa mejib 4 pacnoJioxeHHan nepneHflHKyjiHpHO och TypBHHbí h noRKJiioqeHHas to hctoh- HHKy oxjiaxflaromeň cpeflbí (IIa nepTexe He noKa3aH). OBenaňxa 3 CHaBxeHa BbieMKaMH 5, cTyneHnaTo conpnxeHHBMH c κροΜκοή KOJibyeBon mejra 4, paenojioxeHHMMH co ctopohm KopbiTa JionaTKH 1 h HMoPiHaHiHiHiHaHiHiHiHiCi5HiCiHiHiCi5HiCo5HiCiHiH5

Pabo Πρκ TypBHHbí BO3flyx, noflaBaeMbiň οτ HCTomita oxnaxnaeMOň cpeflbí nepe3 KOJibfleByio mejib BbieMKaMH 4 c 5 o6pa3yeT 3ainHTHyio imeHKy Ha oBenaňKe third ΠρκηθΜ 3a CNET yBejtHneHHoro Pacxon oxjiaxflaromero BO3flyxa b 3one KopbiTa JionaTKH 1 yjiynmaeTcn paBHOMepHocTb oxjiaxneHHH oBenaňKH 3 h conJioBoro annapaTa τθμ Cambio KOMneHCHpyeTCH HeBjíaronpHHTHoe βιιηηηηθ btophhhmx TeneHHt b 3To oo ™ takingTH MexnonaTOHHbix KaHajioB 2.

TaKoe BbinojiHeHHe conjioBóro annapaTa raaoBoň TypeBHHbI Β3ηοηπβτ noBMCHTb 3φφβκΤΗΒΗοοτπ oxJiaxfleHHH oBenňKH 3a cneT Bojiee paifliOHaJibHoroHeBlPiNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNePeNeWeNeTeNeWeNeWeNlIe

Φ0ΡΜΥΠΑ H30EPETEHHÍI • CoiuioBoň annapaT ra3OBoň TypBHHbí, conepxaiHHň JionaTKH, ycTaHOBJíeHHbie c 06paaoBaHneM MexnonaTonHbix KaHajioB Mexny oBenaňKaMH B oniioň H3 kotophx BbinojiHeHa KOJibfleBaH mejib, pacnojioxeHHan nepneHflHKyjwpHo och TypBHHbí h noflKjiioneHHaH κ HCTOHHHK-yl oxjiawflaromeň cpeflbí, OTJiHnaromHňcH τβΜ, ητο c nejibio noBbnueHHH βΦΦθκτηβηοοτη oxjiaxneHHH , CHABxeHa BbieMKaMH, CTynennaTO conpnxeHHbíMH cpomkoíí mejiH, pacnoioxeHHbMH co ctopohm KopbiTa JionaTKH h hmgioiUHMh flJiHHy, cocTasínioηio.

HCTOHHHKH ΗΗφορΜβηΗΗ, npHHHTbie BO BHHMaHHe ΠΡΗ 3ΚΟΠβρΤΗ3β:

1. DE, C, 971297. '

2. lflBen H.T. · h flbiBaH Ε.Π. Bo3flymHoe oxjia neHHe neTaJieň ra3OBbix τγρΒκκ.

KOηθβ, HayKOBa nyMKa, 1974, No 55, p.

A Ε Φ Ε P A T

COIUIOBO »ΑΠΠΑΡΑΤ ΓΑ3ΟΒΟ» TYPBHHW

CoiuioBon annapaT conepxHT JionaTKH 1, ycTaHOBJeeHHbie c o6pa3OBaHneM Mexnona-. TOHHbix KaHajioB 2 Mexny oBenaňKaMH 3, b oahoh «3 κοτορωχ BbinojiHeHa KOJlbneBan Djejib 4, pacnoxioxHHaH nepneHflHKyruipHo och TypBHHBi noflKJiioneHHaHlaHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH BOX 3 CHaBxeHa BbieMKaMH 5, cTyneHnaTo conpaxeHHMMH c KpOMKOň meJIH 4, paenOJIOXeHHblMH CO CTOpOHbl KopbiTa JionaTKH 1 H HMeKHUHMH flOIHHy5n0n0ooNoNo0n0n0n0n0n0n0n0n0n0n0n0n0n0n0nnnnnnnnn0nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn0nn0

ConpoBoxnaioinHň ηερτεχ.

ΠΡΗ3Η3ΗΟ Η3θ6ρβΤΘΗΗβΜ ΠΟ pe3yjIbTaTaM 3Κ0ΠβρΤΗ3Μ, ocyinecTBJíeHHon rocynapCT “βΗΗΜΜ Κομητθτομ CCCP no more than H3o6peTeHH h otkpmthh.

Claims (1)

SUBJECT OF THE INVENTION A gas turbine nozzle assembly comprising blades forming inter-blade channels between the skins, one of which is an annular gap, positioned perpendicular to the turbine axis and connected to a coolant source, characterized in that the skirt is provided with recesses for increasing cooling efficiency. formed stepwise at the edge of the gap, distributed from the side of the blade bed and having a length of 0.25 to 0.35 width of the inter-bladder channel;