Microchannel funteni fɛnw (MCHES): CRAC condensateurs transformation pour la centrage de données .

Kunnafoni-falen-falen yɔrɔw kama, ɔridinatɛri so kɔnɔ fiɲɛdilan (CRAC) kondensalɛriw bɛ kɛ-walima-Baara walasa ka serwɛri baarakɛcogo sabati ani ka PUE (power baarakɛcogo ɲuman) dɔgɔya. Laadalata tube-Fin funtenifalenfalenw ka teli ka bin ka surunya{4}}U ka bon, u tɛ baara kɛ, ani u ka bon-Maintenance. Ka donMicrochannel ka funteni fɛnw (MCHES) .: A dilannen don ni jibolisiraw ye minnu bɛ wele ko microscale (0,1–2 mm), o ye all-Aluminum structure, ani vacuum brazing ye, MCHES bɛ nin dimi yɔrɔw ɲɛnabɔ ka sɔrɔ ka nafa yelen di data center baarakɛcogo ma. U bɛ bɔ kɛnɛ kan cogo min na, ka fara u ka ladamucogo kan minnu bɛ u ka nɔba bila u la.

Nafa minnu bɛ sɔrɔ a la: Data Center ka dimi yɔrɔbaw ɲɛnabɔ .

MCHEw tɛ "ko kɛ" dɔrɔn laadala kondensatɛriw kan-U bɛ fɛn minnu bɛ se ka kɛ kunnafonidilanw na, olu ɲɛfɔ kokura minnu sinsinnen bɛ baarakɛcogo ɲuman, yɔrɔ, musaka, ani dannaya kan.

1. 30–50% Sumaya jiginni nafa ka bon=PUE dɔgɔman .

Donanw ka santiriw bɛ kɛlɛ kɛ walasa PUE ka to 1.3-wa MCHES ye gundo marifa ye. U ka microscale kanw bɛ yɔrɔ kɛrɛnkɛrɛnnenba dɔ dilan (200–350 m2/m3, 2–3x tube-FIN modɛliw), ka nɛnɛfɛnw wajibiya (i n’a fɔ R134A walima R410A) ka kɛ jiginni barikama ye (reynolds number re > 2300). O bɛ funteni-bɔli-sɔgɔ, ka funteni-yɔrɔ-ko-jatebɔ-minɛn Gɛn ka Taa 400–600 W/(m2·K) (VS. 200–300 W/(M2·K) la tubabukan-fini kama).

O kɔrɔ ye min ye aw bolo: KW nɛnɛ hakɛ 100 kama, MCHES bɛ kondensatɛri funteni tigɛ ni degere 3–5 ye . Degere 1 o 1 jigin bɛ dɔ bɔ komɛsi fanga baara la ni 2–3% ye, ka baara kɛ ni CRAC fanga dɔgɔyali ye 25–35%. Ka ɲɛsin m2 1000 ma, o ye 30.000–42.000 kWh ye san o san kuran marali la-Wa PUE jigira ka bɔ 1,4 na ka se 1,25 ma.

Dafalen don: High-Density data centres (Power Density > 300 W/M2) walima CRAC unit kɔrɔw kɔfɛ (a mago tɛ ka yɔrɔ bonya walasa ka nɛnɛ bonya).

2. 30–50% ka dɔgɔn, 40–60% ka nɔgɔn: ka kunnafoni sɔrɔyɔrɔ nafama mara .

Donanw cɛmancɛ duguma yɔrɔ ye musaka ye-ani laadala tubabu-FIN kondensatɛriw b’a tiɲɛ. MCHES’ All-Aluminum flat-Tube + Integrated Fin design bɛ kuran kurulenw ni fin gaps caman bɔ yen minnu bɛ tubabukan na-FIN modɛliw.

Walasa ka 100 kW fiɲɛ sɔrɔ-Set setup nɛnɛman:

Volume: MCHES bɛ ~0,8 m3 (vs. 1.2–1,3 m3 ta tubabukan na-FIN), o bɛ bɛn nɔgɔya la rack fanw walima a nɔngɔnw na.

Kisɛya: ~80 kg (vs. 150 kg for tube-FIN), MCHES ka ɲi sanfɛ CRAC units-U bɛ dɔ bɔ boon doni na ani ka fɛnw sigili musakaw tigɛ (aw tɛ se ka fɛnw kɔrɔta minɛn girinmanw na).

3. 50–70% ka dɔgɔn nɛnɛmadalan na: Ka musakaw tigɛ & ka sigida sariyaw labato .

Frigow i n’a fɔ R410A sɔngɔ ka gɛlɛn ani u bɛ labɛn (a bɛ bɔ EU ka F-gazi sariya ani Sinuwa jamana ka ko la .Green and low-Carbon Rating Evaluation for Data Centers .). MCHES' Kanal hakɛ fitinin (1/3–1/2 Tube-FIN) bɛ nɛnɛmadalan magow ɲɛ:

KW 100 sitɛmu min bɛ baara kɛ ni R410A ye, o mago bɛ nɛnɛmadalan kilo 2,5–3,5 dɔrɔn na (vs{{4}–10 kg ka ɲɛsin tubabukan ma-FIN)-Kara ~300–390 CNY kelen-kelen bɛɛ la.

Leak points (40% ka dɔgɔ ni tube-FIN ye, k’a sababu kɛ headers intégrés ye) o kɔrɔ ye ko sigida farati ka dɔgɔn ani ko nɛnɛmafɛn caman tɛ yen minnu bɛ se ka nɛnɛ.

4. resistance de corrosion & 10.000 heures MTBF: Aw bɛ CRACS to ka baara kɛ tile 24/7.

Donanw ka santiriw bɛ baara kɛ nonstop-wa downtime ye catastrophique ye. Laadalata tubabukan-Fin kondensatɛriw bɛ dɛsɛ joona ka da kuran kan-Aluminum galvanic corrosion, nka MCHES bɛ jɔ ka mɛn:

Seamless structure: vacuum brazing bɛ "copper-Aluminum gaps" (a bɛ kɛ sababu ye ka fɛnw sɔgɔ) ban.

Custom Coatings: Epoxy walima polytetrafluoroethylene coatings (20–50 μm thick) Boost kɔgɔ fiyɛli ka bɔ sanga 500 la ka se lɛri 1500 ma.

O kɔlɔlɔ ye? MTBF (waati cɛmancɛ dɛsɛw ni ɲɔgɔn cɛ) bɛ se sanga 10 000 ma-Tubabu-FIN (Lɛrɛ 5000–6000). Ladonni ka dɔgɔn=ka baara bilali waati dɔgɔya i ka data santiri la.

Adaptations techniques customs: Aw ye MCHES kɛ ka baara kɛ aw ka CRAC ye .

MCHES tɛ "Drop{0}}In" fɛn falen-U mago bɛ fɛn wɛrɛw la walasa ka CRACw mago kɛrɛnkɛrɛnnenw bɛn. An bɛ u ɲɛnabɔ cogo min na data santiriw kama, o filɛ nin ye:

1. Smart design ka doni jiginni & mankan dɔgɔya .

Multi-Pass kanw .: Server loads spike tile fɛ ka jigin su fɛ. MCHEw bɛ baara kɛ ni 2–4 dakun jibɔ siraw ye, ka fara ɲɔgɔn kan ni ɛntɛrinɛti kan fɛnw ye minnu bɛ se ka fɛnw falen, walasa ka nɛnɛbɔlanw bolicogo ladilan: seko dafalen bɛ sɔrɔ jirisunw na, seko yɔrɔ dɔ bɛ se ka kɛ lulls ye. O b'a to "low-load inefficience" min bɛ laadala single-Pass condensers tɔɔrɔ.

FINS quiets .: Data santiriw mago bɛ mankan na min ka dɔgɔ walima min bɛ bɛn 60 dB (A) ma. MCHEw bɛ baara kɛ ni bolokɔniw ye minnu ka surun-filiw la minnu bɛ wuli (1,8–2,2 mm cɛ janya) ani duguma{5}}Airflow fans (1,5–2,0 m/s)-Munkanni 3–5 dB (a) ni tubabukan-FAN, o la (operation and maintenance) ekipuw bɛ baara kɛ ni u ma tiɲɛ.

2. (Corrosion & Clogging Protection): A jɔra kunnafonidilanw sigidaw kama .

Bugun, UPS batiri sisi, ani ji sɛgɛsɛgɛli ye data santiri faratiw ye-MCHES bɛ u ɲɛnabɔ kunkolo-kan:

dual-Layer anti-Corosion coating .: chromate passivation (5–10 μm) bɛ nɔrɔli sabati, ka sɔrɔ epoxy top layer (20–30 μm) bɛ fɛnɲɛnamafagalan (conrosif media) bali. Kɔrɔbɔliw b’a jira ko a bɛ nɔgɔ kɛlɛ san 8 ni kɔ kunnafonidilanw kɔnɔ.

Ji-Kɔgɔjida la fiɲɛw (jiw kama-Cacs cooled) .: MCHE kanw (1–2 mm) ka teli ka sɛgɛsɛgɛli kɛ-O la an bɛ fara a kan:

Filɛri minnu bɛ don ni nɛgɛ ye, olu ye 100-mesh ye walasa ka nɔgɔw minɛ.

Kanalw tapered (1 mm donda → 1,5 mm bɔyɔrɔ) walasa ka jibɔ dɔgɔya-Rate spikes minnu bɛ kɛ sababu ye ka sɛgɛsɛgɛli kɛ.

Dumuni-Asidi polikarboxylic grade (misali la, asidi polikarboxylic) walasa ka saniya waatiw janya fo kalo 12 (VS. 6 kalow la tubabukan na-FIN).

3. CRAC integration seamless: Tiɲɛ tɛ, bɔgɔ tɛ .

MCHES bɛ baara kɛ ka ɲɛ ni u bɛ fara CRAC sitɛmuw kan-An bɛ ɲɔgɔndan bɛɛ kɛ ka ɲɛ:

Fan matching .: MCHE finw ka fiɲɛ bɛ dɔgɔya 15–20% ka tɛmɛ tubabukan kan-FIN. An bɛ baara kɛ ni low-STATIC{5}}pressure fans (50–80 PA) ani cap teliya ye min ka dɔgɔn walima min bɛ bɛn 1400 rpm ma walasa ka fanga kisi k’a sɔrɔ a ma nɛnɛ saraka.

Leak-Fɛɛrɛw bɛ se ka kɛ .: Kunnafoni jɛlenw bɛ ɲɔgɔndan jate tigɛ ka bɔ 8–12 (Tube-FIN) la ka se 2–4 ma. Double-Ferrule Seals Aw bɛ to ka bɔgɔ bɔ walima ka bɛn 1×10⁻⁹ pa·m3/s (per heliyɔmu bɔli sɛgɛsɛgɛliw ma)-Kɔrɔlen ka ɲɛsin nɛnɛmadafura lakanani ma.

Mun na MCHES ye Crac Condensers ka siniɲɛsigi ye .

Donanw ka santiriw kama, MCHEw tɛ funteni sɛgɛsɛgɛlikɛlan ɲuman dɔrɔn ye-U ye fɛɛrɛ ye min bɛ se ka sabatili kuntilenna sɔrɔ, ka musakaw tigɛ, ani ka serwɛriw to u ka baara kɛ ni dannaya ye. I mana kɛ sanfɛ-density facility ye wo, walima Cracs kɔrɔw jiginni, MCHES bɛ baara kɛcogo ɲuman, yɔrɔ mara, ani muɲuli lase i ma i mago bɛ min na walasa ka to ɲɔgɔndan na.

Aw labɛnnen don ka aw ka CRAC kondensatɛriw sɛmɛntiya wa? A ɲini ka MCHES bɛ se ka i ka PUE jigin cogo min na ani ka i ka data center ka baarakɛcogo ɲɛ bi.

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