Mikrokanɛli ka funteni yɛlɛmalanw (MCHEs): CRAC ka fɛnw yɛlɛmani ka ɲɛsin kunnafoni yɔrɔ ka baarakɛcogo ɲuman ma .

Kunnafoni diyɔrɔw kama, ɔridinatɛri ka sanfɛla yɔrɔ (CRAC) ka kondensatɛriw ye -or-br ye ka se ka serveur ka baarakɛcogo mara ani ka PUE dɔgɔya (A ka baarakɛcogo ɲuman). Laada tubo-fin ka funteni yɛlɛmalanw ka teli ka ben -teyɛw ka bon, u ka baarakɛcogo man ɲi, ani u ka bon-. DonMikrokanɛli ka funteni yɛlɛmalanw (MCHE): a be dilan ni mikoroskatɛriw ye (0,1–2 mm), o ye yɔrɔ bɛɛ ye-}}yenum labɛnnin, ani a lakolon, MCHEw be o dimi yɔrɔw ɲɛnabɔ k’a sɔrɔ u be nafa basigininw di kunnafoni sɔrɔyɔrɔw la. U be dan na cogo min na, ani u ka yɛlɛmani minw be kɛ ka caya, u be caya.

Ladili nafamanw: Kunnafoniw yɔrɔ min ka bon ni yɔrɔ bɛɛ ye, o be se ka kɛ .

MCHEw tɛ "yɛlɛma" dɔrɔn laada fɛnw kan-uw be se ka min be se ka kɛ kunnafoni sɔrɔyɔrɔw la, o ɲɛfɔ ka ɲɛ, min ɲɛsinna baarakɛcogo ɲuman, yɔrɔ, sɔngɔ ani lannaya ma.

1. 30–50% funteni yɛlɛmani ka fanga=.

Kunnafoniw yɔrɔw be kɛlɛ kɛ walisa ka PUE to 1,3- ani MCHEw ye gundo marifa ye. U ka mikoroskaliw be yɔrɔ kɛrɛnkɛrɛnnin dɔ dilan (200–350 m2/m3, 2–3x min ye tube -finw ka misaliyaw ye), o be firizidɛriw (i n’a fɔ R134a walima R410A) ka kɛ yɛlɛmani barikaman ye (Reynolds hakɛ Re > 2300). O be funteni yɛlɛmani dɔgɔya, ka funteni yɛlɛmani hakɛ ɲɔndi ka se 400–600 W/(m2) (vs{{13}–300 W/(m2) ma, min be kɛ ka tubo-fin ta).

O kɔrɔ ye min ye i fɛ: 100 kW nɛnɛ doni ta fan fɛ, MCHEw be funteni dɔgɔya ni degere 3–5 ye . Degere 1 o degere 1 be dɔ bɔ konpɛrɛsiyɔn fanga la ni 2–3% ye, min be bayɛlɛma ka kɛ 25–35% ye CRAC ka fanga min ka dɔgɔ. 1000 m2 kɔnɔ, o ye 30,000–42,000 kWh ye san kɔnɔ kuran marali la- ni PUE jigira ka bɔ 1,4 la ka taga se 1,25 ma.

A ka ɲi ka kɛ: High-yeteli kunnafoni diyɔrɔw (power densité > 300 W/m2) walima ka CRAC yɔrɔ kɔrɔw labɛn kokura (u mako tɛ yɔrɔ la walisa ka nɛnɛ caya).

2. 30–50% fitinin, 40–60% yeelen: Kunnafoniw yɔrɔ min be se ka jati

Kunnafoniw cɛmancɛ yɔrɔ yɔrɔ sɔngɔ ka gwɛlɛ- ani laada tubo-finw ka fɛnw be tiɲɛ. MCHEw ka all-}}tube + fin dilan cogo min be don ɲɔgɔn na, o be zira caman bɔ ani fin yɔrɔw be bɔ minw be blot tube-fin modɛliw bɔ.

100 kW fiɲɛ - .

Volume: MCHEw be ~0,8 m3 (vs{1}}–1,3 m3 ta ka tubiye-fin ta), u be bɛn nɔgɔman na nɛgɛ gɛrɛfɛ walima yɔrɔw la.

Giri: ~80 kg (vs{1}} kg ka tubiye-fiyɛnni kɛ), MCHEw ka ɲi ka kɛ CRAC sanfɛlaw ye-uw be dɔ bɔ boon doni ni tigɛli musakaw la (o tɛ makoɲɛfɛn girinmanw mako be yen).

3. 50–70% Refrigerant: Cut Sɔngɔw ani lamini sariyaw .

Refrigerats i n’a fɔ R410A sɔngɔ ka gwɛlɛ ani u labɛnna (A be sɔrɔ UE ka F-Gasi sariyaw ni Sinuwaw ka sariyaw fɛ .Green ni Low{0}}Karbɔni sɛgɛsɛgɛli sɛgɛsɛgɛli kunnafoniw yɔrɔw kama .). MCHEw ka kanali fitinin (1/3–1/2 min ye tube-fin) ye, o be frigo makoɲɛfɛnw tigɛ:

100 kW sisitɛmu min be baara kɛ ni R410A ye, o mako be 2,5–3,5 kg dɔrɔn lo la (vs{4}}–10 kg ka tubitiri -fin - ~300–390 CNY ka yɔrɔ kelen kelen bɛɛ la.

O la, a be se ka kɛ ko mɔgɔw be ɲɔgɔn minɛ (40% ka dɔgɔ ni tubo-fin ye, n’an be dɛmɛ sɔrɔ kungolow la) o kɔrɔ ye ko lamini farati ka dɔgɔ ani ko firizidɛri min sɔngɔ ka gwɛlɛ, o tɛ sɔngɔ gwɛlɛ ye.

4. Korosi kɛlɛ & 10 000-Lɛrɛ 24 000: A to CRACw ka 24/7 .

Data yɔrɔw be baara kɛ ni non-andati ye, o ye kasaara ye. Laada tubo-finw be dɛsɛ joona ka sababu kɛ zira- galvanic galvanic galic corosion ye, nka MCHEw dilanna ka mɛn:

Labɛnni min tɛ wagati ye: Furu yɛlɛmayɛlɛmali be " zira-}aluminum yɔrɔw bɔ yen" (yɔrɔ min be yɛlɛma yɛlɛma).

O fɛnw: Epokisi wala politetrafluoroetilɛn ka faniw (20–50 μm) ka kɔgɔ yɛlɛma k’a ta lɛrɛ 500 ma ka taga se lɛri 1500 ma.

O be na ni min ye? MTBF (Wagati cɛmancɛ la, yɔrɔ minw be ɲɔgɔn cɛ) be se ka lɛrɛ 10 000-seli kɛ siɲɛ fila la, o ye -fin (lɛrɛ 5 000–6 000 ye). Ladonni fitinin=ka dɔgɔya i ka kunnafoni sɔrɔyɔrɔ la.

Fɛɛrɛ minw be se ka mɔgɔw dɛmɛ ka koow kɛ cogo ɲuman na: MCHEw ka baara kɛ i ka CRAC kama .

MCHEw tɛ "drop-in" yɛlɛmani -} ye, u mako be tweakw la walisa ka bɛn ni CRACw ka makoɲɛfɛnw ye minw ɲɔgɔn tɛ yen. An b’u labɛn cogo min na ka ɲɛsin kunnafoni diyɔrɔw ma, o filɛ:

1. Labɛnni min be kɛ ka yɔrɔw yɛlɛma ani ka mankanw bɔ .

Multi-pass siraw .: Baarakɛlaw ka doniw be yɛlɛma tilefɛ ani ka jigi sufɛ. MCHEw be baara kɛ ni 2–4 ye, n’u be fara ɲɔgɔn kan ni vannew ye minw be se ka yɛlɛma, ka frigo frigent yɛlɛma: ka se ka yɔrɔw bɛɛ lajɛ, ka se ka fɛnw yɛlɛma yɔrɔ dɔ la. O b’a to "aw{4}} telesarse" tɛ se ka baara kɛ min be laada -pass condensers tɔɔrɔ.

Quiet be se ka kɛ: Data yɔrɔw mako be mankan na min ka dɔgɔ ni 60 dB (A) ye. MCHEw be baara kɛ ni 2/2,2 mm yɔrɔ ye) ani dɔgɔman-}w kanubagaw (1,5–2,0 m/s)-} mankan be kɛ ni 3–5 dB (A) vs. tube ye, o la (12}}, o la (12}}, o la (12}}, o la (12}}, o la (12}}.

2. (Kurisi ani ka mɔgɔw latanga): A labɛnna kunnafoni yɔrɔ laminiw kama .

O yɔrɔ la, UPS ka batiriw, ani jii sɛgɛsɛgɛri ye kunnafoni sɔrɔyɔrɔ farati ye-MCHEw b’u kuun -on:

Dual--layila kɛlɛlan -corroziyɔn fani .: Chromate ka passivasiyɔn (5–10 μm) be nɔrɔli lawuli, k’a sɔrɔ epokisi sanfɛla (20–30 μm) be yɔrɔw tiɲɛ. Kɔrɔbɔliw b’a yira ko a be ban nɔgɔ la saan 8 ni kɔ kɔnɔ kunnafoni diyɔrɔw la.

Jii-si yɔrɔ min be ɲɔgɔn lajɛn (jiye kama, -coolited): MCHE ka kanaliw (1–2 mm) be se ka yɛlɛma ka kɛ - ye an b’a fara a kan ko:

Nɛgɛdaga 100-mesh be filɛri kɛ walisa ka nɔgɔw minɛ.

O la, a be se ka kɛ ko mɔgɔw be ɲɔgɔn minɛ (1, 1,5 mm bɔyɔrɔ) walisa ka dɔ bɔ jii la degere-.

Food-}grade sɛgɛsɛgɛli balilanw (i n’a fɔ, asidi polikarbɔsiliki) walisa ka saniya wagati janya ka se kalo 12 ma (vs{4}} kalo 12 kɔnɔ, o ye -fin ye.

3. CRAC ka ɲɔgɔndan min tɛ se ka kɛ: Nɛnɛ tɛ yen, Nɛgɛ tɛ

MCHEw be baara kɛ ka ɲɛ n’u be fara CRAC ka sisitɛmu kan- an be ɲɔgɔndan kelen kelen bɛɛ fisaya:

Fani: MCHE nɛgɛw be ni fiɲɛ 15–20% ye ka tɛmɛ tubo-finw kan. An be baara kɛ ni fremi-fesiyɔn -pressure kanubagaw ye (50–80 Pa) ani ka kap teliya min ka ca ni 1400 rpm ye walisa ka fanga mara k’a sɔrɔ nɛnɛ tɛ yen.

Leak- tɛ se ka kɛ .: Kunsigi minw be ɲɔgɔn minɛ, olu be jate ka bɔ 8–12 (tube-fin) la ka kɛ 2–4 ye. Double-feruli be ji bɔli mara ka tɛmɛ 1×10 10 10⁹ Padam3/s (helum ji bɔli sɛgɛsɛgɛliw)-}}kɔlɔsiri kan firizidɛri lakanani kama.

Mun na MCHEw ye CRAC ka ladilikɛlaw ka siniɲɛsigi ye .

Kunnafoni diyɔrɔw ta fan fɛ, MCHEw tɛ funteni yɛlɛmalan ɲuman dɔrɔn ye-thes ye fɛɛrɛ ye min be se ka mɔgɔw ka laɲinitaw dafa, ka musakaw tigɛ, ani ka servɛriw to u ka baara kɛ cogo ɲuman na. I ka yɔrɔ min lɔra ni yɔrɔba ye, walima ka CRAC kɔrɔw labɛn, MCHEw be baarakɛcogo ɲuman, yɔrɔ marali, ani i ka mɛɛni i ka kan ka to ɲɔgɔndan na.

I labɛnnin lo ka i ka CRAC kondensatɛriw yɛlɛma wa? A’ y’a sɛgɛsɛgɛ cogo min na MCHEw be se k’i ka PUE dɔgɔya ani k’i ka kunnafoni diyɔrɔ ka baara yiriwa bi.

Tagasogow: microchannel ko masini jalan, Sinuwaw ka mikrokanɛli kokɛlanw jalan dilanbagaw, feerekɛlaw, izini .