Ndị na-agbanwe ọkụ Microchannel (MCHEs): Gbanwee CRAC Condensers maka arụmọrụ Center Data
Maka ebe data, Kọmputa Room Ikuku Conditioner (CRAC) na-eme ka-ma ọ bụ{1}} ezumike maka ikwado ọrụ nkesa yana iweda PUE (Irụ Ọrụ Ike). Ọkụ ọdịnala -Fin okpomọkụ na-adakarị mkpụmkpụ-ha pere mpe, anaghị arụ ọrụ nke ọma, yana nnukwu nlekọta-. BanyeNdị na-agbanwe ọkụ Microchannel (MCHEs): ejiri microscale eruba ọwa (0.1-2 mm), arụnyere ihe niile{2} aluminom, na vacuum brazing, MCHE na-edozi isi ihe mgbu ndị a ma na-ebuga uru a na-ahụ anya maka arụmọrụ data center. N'okpuru bụ ka ha siri pụta, gbakwunyere tweaks omenala na-ebuli mmetụta ha.
Uru Ngwa Isi: Dozie isi ihe mgbu kacha ukwuu
MCHE abụghị naanị 'emeziwanye' na condensers ọdịnala{0} ha na-akọwapụta ihe ga-ekwe omume maka ebe data gbadoro anya na arụmọrụ, oghere, ọnụ ahịa na ntụkwasị obi.
1. 30–50% arụmọrụ mbufe ọkụ dị elu=ala PUE
Ebe data na-alụ ọgụ idobe PUE n'okpuru 1.3- na MCHE bụ ngwa agha nzuzo. Ọwa microscale ha na-emepụta nnukwu mbara elu (200-350 m²/m³, 2–3x nke tube{15}} ụdị fin), na-amanye refrigerant (dị ka R134a ma ọ bụ R410A) n'ime nnukwu ọgba aghara (nọmba Reynolds Re> 2300). Nke a na-ebelata nguzogide okpomọkụ, na-akpali ọnụọgụ nnyefe okpomọkụ gaa na 400-600 W/(m²·K) (vs. 200-300 W/(m²·K) maka tube-fin).
Ihe nke a pụtara maka gị: Maka ibu jụrụ oyi nke 100 kW, MCHE na-egbutu okpomọkụ site na ogo 3-5. Ndabere ogo 1 ọ bụla na-ebelata ojiji ike compressor site na 2-3%, na-atụgharị gaa na 25-35% oriri ike CRAC dị ala. Maka etiti data etiti 1000 m², nke ahụ bụ 30,000–42,000 kWh na nchekwa ọkụ eletrik kwa afọ{15} na PUE si na 1.4 gbadata ruo n'okpuru 1.25.
Zuru oke maka: Ebe data dị elu- njupụta (ike njupụta> 300 W/m²) ma ọ bụ megharịa nkeji CRAC ochie (ọ dịghị mkpa ịgbasa oghere iji kwalite oyi).
2. 30–50% Nta, 40–60% Mkpa ọkụ: Chekwaa oghere Center Data bara uru
Oghere ebe etiti data dị ọnụ-na tube ọdịnala{1}} fin condensers na-efunahụ ya. MCHEs' niile -aluminom flat-tube + integrated fin design na-ewepụ nnukwu ọla kọpa na agbagọ na oghere fin nke na-eke tube- ụdị fin.
Maka nhazi ikuku 100 kW{1} jụrụ oyi:
Mpịakọta: MCHE na-ebuli ~0.8 m³ (vs . 1.2-1.3 m³ maka tube- fin), na-adaba n'ụzọ dị mfe na akụkụ ma ọ bụ nkuku.
Arọ: Na ~80 n'arọ (vs . 150 n'arọ maka tube - fin), MCHE dị mma maka ụlọ CRAC n'elu ụlọ{3} ha na-ebelata ibu ụlọ ma belata ụgwọ ntinye (ọ dịghị mkpa ebuli ibu dị arọ).
3. 50–70% Igwe nju oyi pere mpe: belata ọnụ ahịa wee zute iwu gburugburu.
Igwe nju oyi dị ka R410A dị ọnụ ma na-ahazi ya (n'ihi ụkpụrụ EU F-Gas na nke ChinaNtụle Nleba Nleba Anya na Ọ Dị Ala {{0}Kabon Maka Ụlọ Ọrụ Data). Obere ọwa MCHEs (1/3–1/2 nke tube -fin) na-ebelata mkpa ngwa nju oyi:
Sistemu 100 kW na-eji R410A chọrọ naanị 2.5–3.5 n'arọ nke refrigerant (vs{4}}–10 n'arọ maka tube-fin){7}} na-echekwa ~300–390 CNY kwa otu nkeji n'ihu.
Ebe ntapu dị ole na ole (40% na-erughị tube-fin, ekele maka nkụnye ejikọtara ọnụ) pụtara ihe ize ndụ dị ala na gburugburu ebe obibi na enweghị nnukwu refrigerant elu{2}}.
4. Nguzogide corrosion & MTBF nke awa 10,000: Mee ka CRAC na-agba ọsọ 24/7
Ebe data na-agba ọsọ na-akwụsịghị akwụsị{0} na oge nkwụsị bụ nnukwu ọdachi. Ọkụ ọdịnala - fin condensers na-ada n'isi ụtụtụ n'ihi ọla kọpa-aluminom galvanic corrosion, mana a na-ewu MCHE ka ọ dịgide:
Ọdịdị enweghị nkebi: Vacuum brazing na-ewepụ "ọla kọpa-aluminom gaps" (ihe na-akpalite corrosion bụ isi).
Ihe mkpuchi omenala: Epoxy ma ọ bụ polytetrafluoroethylene mkpuchi (20-50 μm gbara ọkpụrụkpụ) na-akwalite nguzogide nnu site na awa 500 ruo ihe karịrị awa 1500.
Nsonazụ ahụ? MTBF (Akara oge n'etiti ọdịda) ruru awa 10,000 - fọrọ nke nta ka ọ bụrụ okpukpu abụọ nke tube{3} fin (awa 5,000–6,000). Ndozi pere mpe=obere oge maka etiti data gị.
Ndagharị nka nka omenala: Mee MCHEs ka ọ rụọ ọrụ maka CRAC gị
MCHE abụghị ihe nnọchi "dodo{0}na"{1} ha chọrọ tweaks iji kwekọọ mkpa pụrụ iche nke CRAC. Nke a bụ otu anyị si ebuli ha maka ebe data:
1. Smart Design maka Mgbanwe ibu & obere mkpọtụ
Ọwa gafere ọtụtụ{{0}: Ihe nkesa na-ebu ibu n'ehihie ma na-adaba n'abalị. MCHE na-eji ọwa mmiri na-asọ asọ nke ngalaba 2-4, jikọtara ya na valvụ mgbasawanye eletrọnịkị, iji dozie mgbaba refrigerant: ikike zuru oke maka ọnụ ọnụ, ikike akụkụ maka lulls. Nke a na-ezere "adịghị arụ ọrụ dị ala{{4}" nke na-emebi condensers omenala otu -.
Nkwụ dị jụụEbe data chọrọ mkpọtụ Ihe na-erughị ma ọ bụ haha na 60 dB (A). Ndị MCHE na-eji nku dị warara{2}}pitch louvered (1.8–2.2 mm spacing) na obere-ndị na-efe ikuku (1.5–2.0 m/s) -ịbelata mkpọtụ site na 3–5 dB (A) vs. tube{12}} fin, yabụ (ọrụ na mmezi) otu na-arụ ọrụ adịghị atụgharị.
2. (Corrosion & Clogging Protection): Ewuru maka gburugburu ebe data Center
Uzuzu, uzuoku batrị UPS, na oke mmiri bụ ihe egwu etiti data -MCHE na-emeri ha n'isi{1} na:
Ihe mkpuchi mkpuchi corrosion abụọ- oyi akwa{1}: Passivation chromate (5-10 μm) na-eme ka adhesion dịkwuo elu, ebe akwa oyi akwa epoxy (20-30 μm) na-egbochi mgbasa ozi na-emebi emebi. Nnwale na-egosi na ọ na-eguzogide nchara maka ihe karịrị afọ 8 na ebe data.
Mmiri{0}} ihe ndozi n'akụkụ (maka CRAC jụrụ oyi{1}): Ọwa MCHE (1-2 mm) na-enwekarị ike itolite - yabụ anyị tinye:
Ihe nzacha ihe nzacha igwe anaghị agba nchara 100 iji jide adịghị ọcha.
Ọwa agbadoro (oghere ntinye 1 mm → 1.5 mm outlet) iji belata ọsọ ọsọ -ọnụego na-ebute ọnụ ọgụgụ.
Nri{0}} ihe mgbochi ọkwa ọkwa (dịka ọmụmaatụ, polycarboxylic acid) ịgbatị oge nhichapụ ruo ọnwa 12 (vs. 6 ọnwa maka tube-fin).
3. Njikọ CRAC na-enweghị nkebi: Enweghị ihe mkpofu, enweghị ntapu
MCHE na-arụ ọrụ kacha mma mgbe ejikọtara ya na sistemụ CRAC{0} anyị na-ebuli njikọ ọ bụla:
Fan dakọtara: MCHE fins nwere 15-20% ikuku nguzogide karịa tube{2}} fin. Anyị na-eji obere - static - ndị na-akwado nrụgide (50–80 Pa) yana ọsọ okpu na ihe na-erughị ma ọ bụ ha nhata 1400 rpm iji chekwaa ike n'achụghị ihe jụrụ oyi.
Ọhụụ ihiwe-: nkụnye eji isi mee ejikọta ọnụ na-ebipụ ọnụ ọgụgụ interface site na 8–12 (tube{2}}fin) ruo 2–4. Ugboro abụọ - ferrule akara na-edobe ntapu ihe na-erughị ma ọ bụ ha nhata 1×10⁻⁹ Pa·m³/s (kwa ule ntapu helium)- dị mkpa maka nchekwa refrigerant.
Ihe kpatara MCHE ji bụrụ ọdịnihu nke CRAC Condensers
Maka ebe data, MCHE abụghị naanị ihe mgbanwe ọkụ ka mma - ha bụ ụzọ isi nweta ebumnuche nkwado, belata ọnụ ahịa, ma mee ka sava na-arụ ọrụ nke ọma. Ma ị na-ewu ụlọ njupụta{2} dị elu ma ọ bụ na-ebulite CRAC ochie, MCHE na-ebupụta arụmọrụ, nchekwa ohere na ogologo oge ị ga-achọ ka ị nọgide na-asọmpi.
Ị dịla njikere ịgbanwe condensers CRAC gị? Nyochaa ka MCHE nwere ike isi wedata PUE gị wee kwalite arụmọrụ center data gị taa.
Ihe nchịkọta dị ọkụ: igwe na-asa akwa microchannel , China microchannel igwe ịsacha condenser na-emepụta, ndị na-ebu, ụlọ ọrụ
