Ifan Hoobkas 30+ xyooTxais kev txhawb nqa xim / loj Customized them nyiaj yug dawb {}} Nrhiav catalog thiab cov qauv dawb. Qhov no yog peb FacebookLub vas sab: www . Facebook . com, Nyem rau saib xyuas yog tias cov khoom lag luam video . sib piv nrog cov khoom lag luam dhaux, peb li cov khoom lag luam los ntawm qhov zoo tshaj plaws yog koj qhov kev xaiv zoo tshaj plaws, zoo siab tos txais yuav!

Kev ua kom zoo ntawm Flow Channel tsim ntawm Brass Goart Valve: Cov hau kev los txo cov kua tiv taus

Lub hauv paus rau phau ntawv

Cov yeeb yaj kiab ntws ntawm Brass Rooj Vag ua kua dej tsis kam, cuam tshuam cov khoom siv dag zog, thiab cov qauv tsim hluav taws xob ntau, thiab qib siab ua kom tau zoo rau txo qis tsis kam tiv taus} 2}} los ntawm kev siv qib siab, thiab cov khoom siv tshiab tuaj yeem txhim kho cov dej hauv dej {}}

Cov txheej txheem ntawm cov kua dej tsis kam nyob rau hauv rooj vag li qub

Kev Tiv Thaiv

**

Phab ntsa shear kev ntxhov siab: Kua viscosity tsim kev sib txhuam luag raws li cov channel phab ntsa {degree}}}}} .

Nto Roughness cuam tshuam:

Kev ntxhib siab (ra) los ntawm kev tsim khoom:

Raws li-cam chaw (ra =12.5 μm): kev sib txhuam λ =0.035

Machined nto (ra {=1.6 μm): λ =0.022 (37% txo)

Daim ntawv kuj (hauv zos poob)

Kev sib cais:

Ntawm lub rooj vag-tog interface, kev sib cais ua rau muaj cov txheej txheem uddies, nce cov coefficients (k) .

Rau lub rooj vag txwm muaj valve, k =0.15-0.20 thaum qhib tag nrho, ua rau {% ntawm tag nrho cov siab poob.

Burchation pag:

High-velocity regions near the gate edge: Turbulence intensity >15% nce tsis kam los ntawm 25-30%.

Cavitation-Inducation Kuj

Vapor npuas tsim:

At pressure drops >3 bar, cavitation tshwm sim, tsim kom muaj shockwaves uas nce kev tiv thaiv .

Cavitation Performation (σ): σ<0.5 leads to significant resistance fluctuations.

Cov qauv tseem ceeb rau kev ua kom txaus

Geometric Malameters

Rooj vag npoo lub kaum ntse ntse:

Tsoos 5 Degurch npoo: k =0.18

Optimation 3 Degree Npoo: K =0.12} (33% txo qis hauv cov poob hauv zos)

Inlet / Outlet Taper:

45℃Inlet Taper: txo kev kub meraction, CV nce los ntawm 120 txog 135 rau dn100.

Flow channel piv:

Channel Inch-rau-ntev Piv (D / L):

Tsoos D / L =1}}: l =100 hli rau dn100, =0.025

Optimized d / l =1.5}}: l =150 hli, {} (20% kev sib txhuam)

Nto tas thiab kho

Cov txuj ci superfinishing:

Electrolytic Polishing: Ra<0.2μm, friction factor λ=0.018 (40% lower than as-machined).

Hydrophobic Txheej:

Ptfe-nanoparticle cov txheej txheem: txo cov zog saum npoo ntawm 72 m txog 18 mn / m, txo tus luag los ntawm {% {4 4} {4}

Rooj vag Dauv Dynamics

Nqa-rau-diam piv (H / D):

h / d {=0.8: zoo rau tag nrho Flow, K =0.10

h/D<0.5: Turbulence increases K by 50%

Kev Ua Ke:

Ntsug cov lus qhia nrog 0 {. 1mm clearance: Tsawg rau Vis kev co, txo kev hloov pauv ntawm 20%.

Kev Ua Haujlwm Zoo Tshaj Plaws

Cov Dej Xam Dej Kev Ua Si (CFD) Ua Qauv

Simulation-Driven Tsim:

Rans (Reynolds-nplooj nruab nrab-stokes) ua qauv qhia txog thaj tsam siab:

Tsim kev tsim qauv: Decirculation tsam tom qab rooj vag (ntim =0.002 mp)

Kev tsim qauv zoo: Recirculation ntim txo mus rau 0.0008 m³ (60% txo)

Tsim kev sim (doe):

Ntau lub hom phiaj zoo ntawm Wedge Angle, rooj zaum profile, thiab nto roughness:

Kev ua ke zoo tshaj plaws txo tag nrho cov kev tiv thaiv tag nrho los ntawm 38%.

3D Luam Ntawv thiab Kev Txhim Kho Kev Txhim Kho

Lattice Tus Qauv Qauv Latnels:

3D-printed tooj dag li qub nrog gyroid lattice:

Qhov hnyav txo los 40%, txaus tau txo qis los ntawm 25%.

Cov Rooj Sib Tham Tshaj Tawm:

Finite elite tsom xam (fea) tsim cov hom vis organic:

Siab poob qis los ntawm 0 {. 2 bar rau 0.12 bar rau 10 m / s ntws.

Cov kev tswj hwm kev tswj hwm ntws

Ntshav cov actuatators ntshav:

Cov Acted deg-actuating tsim cov micro-vortices mus ncua kev sib cais:

K tus nqi txo los ntawm 0 .} 15 rau 0.10 (33% txhim kho).

Cov dav hlau hluavtaws:

Orifice raws li Jets teeb meem cuam tshuam ciam ciam txheej sib cais:

Cua hlob tsis zoo txo ​​los ntawm 18% mus rau 12%.

Kev Kawm Kawm Hauv Kev Ua Kom Nyab Xeeb

Lub Nroog Dej Khoom Valve

Cav: Tsoos DN150 DNASS GATE VAJSE VALVE muaj ΔP =0.3}} {.

Kev ua kom ua kom zoo:

3 Degree Npoo Gate nrog 45℃Inlet Taper .

Electrolytically polished Flow channel (ra =0.3 μm) .

Qho kawg:

ΔP txo mus rau 0 . 18 bar (40% txo).

Lub Zog Nyiaj Txuag Nyiaj: $ 1,200 rau 24/7 system .

MUAJ ZOG ZOG

Daim ntawv thov: DN200 valve nyob rau hauv 50 mp / hool dej txias lub voj .

Tsim kev hloov:

Lub rooj vag topology-optimized optimized nrog elliptical cross-seem .

Ptfe-coated channel (nto zog zog {{} mn / m) .

Ua yeeb yam:

CV nce ntawm 200 txog 250 (25% kev muaj peev xwm siab dua) .

Twj siv hluav taws xob txo los ntawm 18% .

Tub tsuag dej hiav txwv nqus

Huab cua: DN250 valve valve nyob rau hauv 3 . 5% nacl seaterwater, txaus=8 m / s.

Ua kom muaj tswv yim:

Lattice-qauv Flatured Flun Channel (3D-luam tawm C68700) .

Hluavtis dav hlau Apuaters ntawm rooj vag .

Qho kawg:

Cavitation Performance nce los ntawm σ =0.4} rau σ=0.7 (tsis muaj cavitation) {2} {2} {2}

Kev tsis kam txo los ntawm 35%, txuas ntxiv valve lub neej los ntawm 2 ×.

Yav tom ntej cov ncauj lus nyob rau hauv txaus channel kev ua kom zoo

Nanofludics-tshwm sim tsim

Micro-Textured Thaj Chaw:

Shark tawv nqaij-zoo li Riblets (200μm suab): Txo cov duab luag): txo cov dev los ntawm {{% nyob rau hauv cua hlob nublub {}}

Nanoparticle-airced kua:

0 {. 5% al₂o₃ nanoparticts hauv dej: viscosity nce los ntawm 5%, tab sis cua sov hloov adjected los ntawm 20%.

Ntse Convadress Tswjhwm

Puab nco alloy (sma) rooj vag:

SMA Actuans kho rooj vag txoj haujlwm raws li kev ntws nrawm:

Thaum 5 M / s: Cov Qauv Qauv (K =0.12)

Thaum 10 m / s: yoog txoj hauj lwm (k =0.09)

Iot-enabled tiv thaiv kev saib xyuas:

Lub sijhawm tiag tiag-lub siab poob cov ntaub ntawv hloov kho lub zog siv hluav taws xob siv hluav taws xob siv los ntawm {{1} {{2}.

Cov Qauv Tsim Kev Nyab Xeeb

Biomimetic Flow chanels:

Tshwm sim los ntawm cephoopod siphons, kauv-zoo li tus raws caij nyoog qis hlob los ntawm 30% .

Eco-phooj ywg txheej:

Tsob ntoo tsob ntoo cog qoob loo (tannin-based): saib kev txo sib luag rau PTFE, tab sis biodegradable {}}

Tag

Ua kom zoo ntawm Flass Rooj vag tsis zoo thiab txhim kho cov khoom siv ua kom zoo nkauj, thiab qib siab} Kev Pab Ntxiv Lub Neej Lub Neej. li Nanotechnology thiab cov qauv zoo nkauj ua ntej, teeb tsa cov qauv tshiab rau hauv cov kua hluav taws xob ua ntej ....

Cim npe nrov: Los ntawm txhais tes brass Rooj vag valve, Suav, cov chaw tsim khoom, chaw tsim khoom, chaw tsim khoom, pheej yig, tus nqi qis, hauv Tshuag, qauv dawb