Exchange yu tàng yi (MCHEs): Soppi CRAC Condensers ngir mëna am Centre de done

Ci santaru done yi, condensers yi ci ordinatër (CRAC) dafay defar-or- di génne ngir mëna toppatoo serwër bi ak wàññi PUE (Effectifiwite bu Power). Tuub bu yàgg { {3} Ñàkka weccoo tàngoor dañuy faral di jeex-, amul benn njariñ, te bari-mainance. Du loolu deMicrochannel Exchange Exchange (MCHEs): defar ay chaine de debit microscale (0.1–2 mm), benn jumtukaay bu boole-aluminium, ak brazing aspiration, MCHEs yi dañuy saafara jafe-jafe yii ci diir bi ñuy joxe valeur tanging ngir liggéey ci santu done yi. Ci suuf, ni ñuy feeñee, boole ci tweaks yuñ defaree seen doole.

Njariñ yu am solo: Defar ay done yu mag ci Centre de done yi gëna mag

MCHEs yi duñu "jëmmal" ci kondensatëri cosaan yi {-loo mooy dindi li mëna am ci santaru done yi ñu lalu ci efficacité, espace, njëg, ak wóor.

{0}–50% ci wàllu joxe tàngoor bu kawe=PUE

Centre done yi dañuy xeex ngir denc PUE ci suufu 1.3{6}} ak MCHEs gànnaayu sekkere la. Seeni chaine microscale defar nañu barab bu yaatu bu am solo (200-350 m2/m3, 2-3x bu tube(15} 15} 15} 15 100) di forse refrigerant yi (lu melni R134a wala R410A) ci ndox mu dëgër (limu Reynolds Re > 2300). slashes slashes bii dafay bañ, di puus koeffisien biy toxal tàngoor wi ci 400-600 W/(m2.KK) (vs{13}-300 W/(m2D) ngir tub-fin).

Lii dafay tekki ci yaw: Ngir sargal seddal 100 kW, MCHEs dagg nañu tàngooru condensing ci 3-5 degre. Daan bu nekk ci 1 degre dafay wàññi jëfandikoo dooley kompressër ci 2-3%, muy tekki 25-35% ci CRAC energie bi gëna néew. Ci 1000 m2 santu done bu yam, loolu mooy 30,000 ba 42,000 kWh ci at mi ñuy denc kuuraŋ ci at mi, PUE dafa wàcci joge ci 1.4 ba ci suufu 1.25.

Njariñ ngir: High{) centre de done yi (Denn densité kuuraŋ > 300 W/m2) wala ñu defaraat CRAC yu yàgg yi (amul soxla yaatal espace ngir gëna seddal seddal).

{{0} -5% Smaller, 40-60% Leer: Sàrtu done yu am njariñ

Barabu dëru dëru dër bi dafay njëg - te tube cosaan {)- Fii di kondensatëri kondensatër yi. MCHEs' lépp-aluminium flat(4}}tu + design fin bu boole dafay dindi bënn bulk bu am përëm ak ay fin yu am fin yu bblaat tube.

Ngir 100 kW aérien bu 100 kW, tabb

Volume: MCHE yi dañuy jël ~0.8 m3 (vs{1.1.3 m3 m3 ngir tube {3}nafin), di boole ci wàllu rack wala koñ.

Powe: Ci ~80 kg (vs{1} kg ci tube { {2}nafin), MCHEs yi ñoo gëna baax ci CRAC yu gëna mag yi CRAC unité-loo wàññi njëgu instalaasioŋ bi (amul benn jumtukaay buy yéeg).

3. 50–70% Refrigerant bu néew: Njàngat yi ak sàrti environmaa bi.

Refrigerant yu melni R410A seer nañu lool te dañu leen yamale (sant nañu ci EU bu EU bu F{1}Gas ak SiinGreen ak suuf yu néew). MCHEs' volume bu ndaw ci chaine bu ndaw (1/3-1/2 bu tube({5}}in) daggee ci refrigerant:

Sistemu 100 kW bu jëfandikoo R410A soxla 2.5-3.5 kg ci refrigerant (vs{4}–10 kg ci tube {6}na firi) {7} Fii)- saving ~300–390 CNY ci benn yoon.

Punt yu néew ciy senn (40% ci tube {1} Fii, jërëjëf ci boppu yu boole yi) dafay tekki ni risk bu gëna néew ci environmaa bi te amul benn topicant refrigerant bu njëgg njëg.

4. Resistance corrosion & 10,000-Hour MTBF: Defal CRACs CRACs 24/7

Centre de done yi dañuy doxal - ak wàcci tuuti lu jafe la. Tuub bu yàgg {{2}in condensatër yi teela ñàkk ndax copper {-aluminium galvanik corrosion, waaye MCHE yi dañu leen tabax ngir mëna yàgg:

Jariñ bu amul benn seamul: Bàyyaaru quazing dafay dindi "copper {-aluminium" (defar corrosion bu mag).

Coating yuñ defaree: Epoxy wala polytetrafluothylene coating (20-50 μm dëll) yokk resistance xorom ci 500 waxtu dem ci lu ëpp 1500 waxtu.

Resultaa bi? MTBF (Njëkk-boppu jamono ji) dafay yegg ba 10,000 waxtu-na ñaari yoon ci tube {3}nafiin (5,000–6,000 waxtu). Toppatoo bu néew=di gëna néew ci sa santaru done.

Doxalinu xarala yu bees yi: Defal MCHEs liggéey ci sa CRAC

MCHEs du "drop{-in" ci wuutu- ñu soxla coppite ngir méngoo ak bëgg-bëggu CRACs. Noonu lañu leen mëna gëna baaxal ci santaru done yi:

1. Design bu gaaw ngir Fluctuations ak Xaar

Multi- ay chaine: Serveur yi dañuy tuuru ci bis bi, guddi gi. MCHE yi dañuy jëfandikoo 2-4 ci chaine de flow 2-4, boole ci vanne vanne elektronik, ngir mëna dékku refrigerant: kàttan gu mat sëkk ngir ay tombi, mën nañu ko def. Loolu dafay moytu "wlow{4} ineficiency" bi gëna am solo" biy teg benn condensers cosaan {5}sp.

Fin yu gaaw: Centre de done yi dañu soxla bruit yu néew wala ñu tollu ci 60 dB (A). MCHE yi dañuy jëfandikoo ay fins yu sew (1.8–2.2 mm spacing) ak { {5} Ñàkka yu woyof (1.5-2.0 m/s)- di dagg bruit bi ci 3-5 dB (A) vs. tube. tube, ekip yi liggéey (liggéey ak toppato) dafay liggéey.

2. (Aar argoñ ak Aar): Tabax ngir Environmaa yi ci Centre de done

Dust, batëri UPS, ak scaling ndox mooy mbartalu santaru done {-MCHEs jàpp leen boppu-on:

Dual-late anti{1}}: Cromate passivation (5–10 μm) dafay yokk adhésion, fekk benn ci kaw eoxy (20-30 μm) dafay am ay bloke yu corrosif. Test yi dañu wane ni amna lu ëpp 8 at ci santaru done yi.

Ndox- ci wetu defar ay fix (ngir ndoxu ndox- CRACs): chaine MCHE (1-2 mm) dañuy gëna jëm ca kaw - kon nu yokk ci:

100-mesh filtre yu inlets asiye inlets ngir mëna jàpp.

Chaine yu tapered (1 mm duggal → 1.5 mm genn) ngir wàññi flow {2}rate spikes yiy waral balans.

Lekk - ay inhibitëru echelu eskane (lu melni, asid polycarboxylic) ngir yokk diggante yi ba 12 weer (vs{4} weer ci tube ngir tube {5)

3. Integration CRAC bu amul àpp: Déet, amul Leaks

MCHEs yi ñoo gëna baax suñu boolee ak CRAC system {0} Ñu ñu gëna mëna jëflante:

Aada: MCHE amna 15 ba 20% resistance air bu gëna suufe ci tube { {2}y. Danuy jëfandikoo {(4) ventilatër (50-80 Pa) ak gaawaayu cap ci Less moo gëna néew wala tollu ci 1400 rpm ngir sakkanal energie te amul seddal.

Leak- interface yi: Boppu bopp yuñ boole dañuy dagg limu interfaasu interface 8-12 (Tube {2} Fii) ba 2-4. Double-ferrule ferrule yi dañuy wéy di less wala ñu tollu ci 1 ×10⁹⁹⁹⁹/s (teytu helium ci helium yi)-critical ngir kaaraange refrigerant.

Lan moo waral MCHEs yi nekk ci biir Condensers CRAC

Ci santaru done yi, MCHEs duñu nekk weccoo tàngoor bu gëna baax - ñu anam wu ñuy jaar ngir am mébetu dundu, dagg njëg yi, ba noppi denc serveur yi di doxal ci anam wu wóor. Yaa ngi tabax ab barab bu kawe- density wala yeesal CRAC yu yàgg, MCHEs dina ñu joxe efficacité, sakkanal espace, ak yàgg nga wara wéy di am taxawaayu.

Waajal nga soppi sa condenseur CRAC? Xoolal ni MCHE yi mënee wàññi sa PUE ba noppi yokk sa centre de done tay.

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