Microchannel Heat galai shai ai lam ni (MCHEs): Data Center a akyu ara a matu CRAC Condensers ni hpe galai shai ai lam

Data center ni a matu, Computer Room Air Conditioner (CRAC) condensers ni hpe server galaw ai lam hpe makawp maga na matu hte PUE hpe shayawm na matu (Power Usage) hpe shayawm na matu galaw ai ni hpe galaw ai. Htunghking n-gun n-gun n-gun n-gun n-gun shayawm ai ni gaw, n-gun n law ai, n-gun n rawng ai, n-gun n rawng ai, n-gun ja ai- Laika man ai ni law law nga ai. Shang wa aiMicrochannel Heat galai shai ai ni (MCHE ni): Microscale flow channels (0.1–2 mm) hte hkrang shapraw da ai, dai yawng hpe-umuminum hkrang yawng hpe hpawng de da ai, vacuum brazing, MCHE ni gaw ndai hkra machyi ai shara ni hpe hparan ya ai sha n-ga, data center bungli ni a matu mu lu ai manu hpe jaw ya ai. Lawu na gaw shanhte gara hku dan dawng ai, shanhte a akyu hpe grau law hkra galaw ya ai custom tweaks ni hpe mung jat bang ai.

Core Application a akyu ni: Data Center a kaba dik htum hkra machyi ai lam ni hpe hparan ai

MCHE ni gaw, htunghking condensers-yyy hpe "n kaja ai" hku n galaw ai sha, n-gun atsam, shara, manu jahpu, kam hpa mai ai lam ni hpe madung tawn ai data center ni a matu mai byin ai lam ni hpe bai gram lajang ai.

{0}}–50% grau tsaw ai nbung hpe htawt sit ai lam=Lawu na PUE

Data center ni gaw 1.3-and MHC ni a npu hta PUE hpe tawn da na matu gasat gala ai lam gaw makoi magap da ai laknak langai mi re. Shanhte a microscale channel ni gaw, n-gun kaba ai npu lamu ga (200–350 m2/m3, 2–3x, n-gun rawng ai n-gun hpe shabyin ya ai) hpe shabyin ya ai, n-gun ja ai hka lim ai lam (R134a (sh) R410A zawn re ai) hpe atik anang shadut ai (R134a (sh) R410A zawn re ai) gaw, n-gun ja ai hka lim ai lam (Reynolds nambat Re > 2300). Ndai gaw thermal hkam sharang ai lam hpe shayawm ya nna, nbung laru hpe n-gun jaw ai lam hpe 400–600 W/(m2·K) de shadut ya ai (vs{13}–300 W/(m2·K) de tube-fin a matu).

Ndai gaw nang a matu lachyum nga ai: 100 kW katsi ai n-gun a matu, MCHE ni gaw 3-5℃hte condensing nbung hpe shayawm kau ai. Degree hkrat ai shaloi 2–3% compressor power hpe jai lang ai hpe shayawm ya nna, 25–35% shayawm ai CRAC n-gun lang ai lam de galai shai wa ai. 1000 m2 lapran na data center langai a matu, dai gaw shaning shagu wan n-gun hpe hkoi shap ai hta 30,000–42,000 kWh rai nga ai-and PUE gaw 1.4 kaw nna 1.25 npu de hkrat sum mat ai.

Hkum tsup ai: High{0}density data center (power density > 300 W/m2) shing nrai CRAC unit dingsa ni hpe bai gram lajang na matu (katsi ai lam hpe n-gun jaw na matu shara jat ra na n re).

{0}}–50% kaji ai, 40–60% nhtoi: Manu dan ai Data Center shara hpe hkye la na

Data center floor shara gaw manu dan ai-in htunghking tube-fin condensers ni hpe jahten kau ya ai. MCHE ni a all{3}}aluminum flat-tube + hpawng de da ai fin design gaw, n-gun n rawng ai magri mang n-gun hte fin gap ni hpe yeng seng kau ya ai.

kW nbung- hpe katsi hkra galaw na matu:

Volume: MCHE ni gaw ~0.8 m3 (vs{1}–1.3 m3 a matu n-gup n-gu a matu n-gup n-gu n-gun hpe hkam la ai), rack maga (sh) jut ni hta loi loi hte htuk manu ai.

Weight: ~80 kg (vs{1}} hpe tube-fin a matu) hta, MCHE ni gaw nta ntsa kaw na CRAC unit ni a matu grai kaja ai-yy gaw nta gap ai lam hpe shayawm ya ai hte n-gun shayawm ai manu (n ra ai n-gun n rawng ai arung arai ni n ra ai) a matu grai kaja ai.

{0}}–70% n-gun n-gun n-gun n-gun: Ja gumhpraw manu ni & zuphpawng ni a grup yin tara ni

R410A zawn re ai tsi rung ni gaw manu dan ai hte tara shang masat da ai (EU a F-Green hte Low{0}} Data Center ni a matu Carbon Rating jep joi ai lam). MCHE ni a kaji dik ai hka htung (1/3–1/2 a n-gun n-gun a n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-rawng ai lam:

R410A hpe lang nna 100 kW masa hpe lang nna, hka htung 2.5–3.5 kg sha ra ai (vs{4}–10 kg a matu tube-fin a matu sha ra ai.{7}}fin gaw unit langai hta ~300–390 CNY hpe shawng de tawn da ai.

Leak point n law ai (be tube-fin, hpawng de da ai bawnu ni a majaw) gaw grup yin hpe shayawm ya lu ai hte manu dan ai refrigerant top-ups n nga ai ngu ai lachyum re.

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Data center ni gaw n hkring n sa galaw ai-and downtime gaw tsin-yam kaba rai nga ai. Htunghking hku galaw ai tube-fin condensers ni gaw, magri-aluminum galvasion a majaw, aten garai n du yang hkrat sum mat ai, raitim, MCHE ni gaw, n-gun rawng na matu gawgap da ai:

Seamless structure: Vacuum brazing gaw "copper-luminum gap" (madung n-gun n-gun n-gun n-gun n-gun) hpe yeng seng kau ya ai.

Custom nsam ni: Epoxy (sh) polytetrafororoethylene nsam (20–50 μm galu ai) gaw hkying hkum 500 kaw nna hkying hkum 1500 jan du hkra, sau htu ai hpe n-gun jaw ya ai.

Mahtai gaw? MTBF (Mean ten gaw hkrat sum ai aten) hkying hkum 10,000 daram de du ai- n-gun hpe lahkawng lang jat ai shaloi, n-gun n-gun a 5,000–6,000). Na a data center a matu n law ai=n law ai aten.

Htunghking Hpaji Jaw Ai Lam: MCHE ni hpe Na a CRAC a matu bungli galaw shangun u

MCHE ni gaw CRACs ni a laklai ai ra kadawn ai lam ni hte maren, "drop-n" galai na ra ai lam n re. Ndai kaw anhte gara hku nna data center ni a matu optimize galaw ai:

1. Load galai shai ai lam ni a matu Smart Design & Npu na nsen ni

Multi-pass channel ni: Shani tup hta n-gun dat nna shana de hkrat wa ai. MCHE ni gaw 2–4 section flow channel ni hpe lang nna, electronic jat wa ai valve ni hte rau, refrigerant lwi ai lam hpe gram lajang na matu: peak ni a matu n-gun hpring hpring, lulls ni a matu daw mi sha lu ai. Ndai lam gaw, htunghking hku galaw ai single-pass condenser ni hpe zingri zingrat ai "npu{4}load n kaja ai lam" hpe koi kau ai.

Atsam rawng ai fins ni: Data center ni gaw 60 dB (A) hta grau nna nsen n pru ai (sh) maren sha re. MCHE ni gaw, n-gun n law ai-pitch gaw, n-gun n-gun n-gun n-gun n-gun n-gun (1.8–2.2 mm spacing) hte npu n-gun n-gun n-gun hpe ra sharawng ai ni (1.5–2.0 m/s)- hpe 3–5 dB (A) hte n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-rawng ai bungli ni hpe galaw ai.

2. (Corrosion & Clogging makawp maga ai lam): Data Center makau grup yin a matu gawgap da ai

Dust, UPS battery wan n-gun, hka n-gun ni gaw data center hkrit tsang hpa ni rai nga ai- MCHE ni gaw head{1}}on hpe hparan ai:

Dual-}layer anti{1}}}corrosion coating: Chromate passivation (5–10 μm) gaw n-gun hpe jat ya ai, epoxy top layer (20–30 μm) gaw n-gun n rawng ai media ni hpe pat shingdang ya ai. Tests ni gaw data center ni hta 8 ning jan n-gun n rawng ai hpe ninghkap ai hpe madun ai.

Hka{0}}side pat da ai lam ni hpe (hka- ni a matu CRACs ni a matu): MCHE channel ni (1–2 mm) gaw scaling a matu n-gun n rawng ai-} hpe anhte jat bang ai:

100-mesh n san seng ai hpe rim la na matu stainless steel inlet filter ni.

Scale hpe byin shangun ai hka lwi ai-rate spike ni hpe shayawm na matu, n-gun rawng ai channel ni (1 mm shang wa ai → 1.5 mm pru wa ai lam).

Lusha- kaw na shadawn shadang hpe pat shingdang ai tsi ni (ga shadawn, polycarboxylic acid) hpe san seng ai aten hpe shata 12 du hkra jat ya na matu (vs. 6 shata ni hpe tube-fin a matu shata 12 du hkra jat ya ai.

3. Seamless CRAC shanglawm ai lam: N rai, Waste, n nga ai

MCHE ni gaw CRAC systems-we gaw matut mahkai lam shagu hpe grau kaja hkra galaw ai shaloi kaja dik htum bungli galaw ai:

Fan hte bung ai: MCHE fis ni hta 15–20% npu na nbung hpe n-gun n-gun a n-gun a n-gun a n-gun a n-gun a n-gun a n-gun a n-gun a n-gun a n-gun a n-gun a n-gun a n-gup n-gu n-gun yawm ai. Anhte gaw npu na-static-pressure hpe ra sharawng ai ni (50–80 Pa) hpe lang nna, n-gun hpe n jaw ai sha, n-gun hpe n-gun n jaw ai sha, 1400 rpm hta grau nna (sh) dai hte maren sha rai nga ai.

Leak- hpe madi shadaw ai matut mahkai lam ni: N-gun rawng ai bawnu ni hpe 8–12 (tube-fin) kaw nna 2–4 ​​du hkra gang je kau ai. 1×10⁻s hta grau nna n-gun n rawng ai (sh) dai hte maren sha rai nga ai (helium leak test langai hta) n-gun rawng ai shim lum lam a matu tara tawt lai ai.

MCHE ni gaw CCRAC Condensers a htawm hpang rai nga ai

Data center ni a matu, MCHE ni gaw grau kaja ai heat exchanger-yy gaw, galu kaba lam a yaw shada lam ni hpe hkra machyi shangun ai, manu jahpu hpe shayawm ya lu ai, server ni hpe kam hpa mai ai hku galaw lu ai ladat langai sha n rai nga ai. Nang gaw tsaw ai{2}density shara hpe gawgap nga ai rai tim, CRAC dingsa ni hpe gram lajang ai rai tim, MCHE ni gaw shingjawng ai lam hta nga lu na matu ra ai efficiency, shara hpe hkoi ya ai lam, ngang grin ai lam ni hpe jaw ya ai.

Na a CRAC condenser hpe galai shai na matu jin jin rai sai kun? MCHE ni gaw na a PUE hpe gara hku shayawm kau lu nna, dai ni na data center a bungli hpe gara hku jat ya lu ai hpe sawk sagawn yu u.

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