Microchannel ɔhyew sesa (Mches): dannan crac condensers ma data center no yɛ adwuma yiye .

Wɔ data centers ho no, kɔmputa dan mu mframa a wɔde yɛ adwuma (CRAC) condensers no yɛ-anaasɛ-BREAK ma server adwumayɛ kɔ so na ɛbrɛ PUE ase (power a wɔde di dwuma yiye). Atetesɛm mu tube-fin heat exchangers taa hwe ase tiawa-Wɔyɛ kɛse, ɛnyɛ adwuma yiye, na ɛkorɔn-siesie. WuramMicrochannel Ɔhyew a Wɔde Sesa (Mches) .: Wɔde microscale flow channels (0.1–2 mm), a wɔaka abom nyinaa-aluminum nhyehyɛe, ne vacuum brazing, mches siesie saa ɛyaw nsɛntitiriw yi bere a ɛde bo a wotumi hu ma data center adwumayɛ. Ase hɔ no sɛnea wɔda nsow, ne custom tweaks a ɛma wɔn nkɛntɛnso yɛ kɛse.

Core Application Mfaso: Siesie Data Center no ɛyaw nsɛntitiriw akɛse .

MCHE ahorow no "nkɔ so" kɛkɛ wɔ atetesɛm condensers-wɔnkyerɛkyerɛ nea ebetumi aba ma data centers a wɔde wɔn adwene asi adwumayɛ a etu mpɔn, ahunmu, ɛka, ne ahotoso so.

1. 30–50% Ɔhyew a ɛkɔ soro a ɛkɔ soro=TUE a ɛba fam .

Data centers ko sɛ ɛbɛma PUE akɔ so atra 1.3-na mches yɛ kokoam akode. Wɔn microscale akwan no ma asase ani fã pɔtee bi a ɛyɛ kɛse (200–350 m2/m3, 2–3x a ɛwɔ tube-fin models), hyɛ frigye (te sɛ R134A anaa R410A) ma ɛyɛ nsu a ɛsen denneennen a ɛyɛ basabasa (reynolds dodow Re > 2300). Eyi twitwa ɔhyew a ɛko tia, a ɛpia ɔhyew a ɛkɔ soro no kɔ 400–600 W/(m2·k) (Vs. 200–300 W/(m2·k) ma tube-fin).

Nea eyi kyerɛ ma wo: ma 100 kW onwini adesoa, mches twa condensing temperature denam 3–5℃. 1℃drop biara tew compressor tumi a wɔde di dwuma no so 2–3%, na ɛkyerɛ ase kɔ 25–35% a ɛba fam crac ahoɔden a wɔde di dwuma. Sɛ wopɛ 1000 m2 medium data center a, ɛno yɛ 30,000–42,000 kWh wɔ afe afe anyinam ahoɔden a wɔkora so-na Pue so tewee fii 1.4 kɔɔ fam 1.25.

Ɛyɛ pɛpɛɛpɛ ma: High-Density data centers (power density > 300 W/m2) anaasɛ retrofitting dedaw CRAC units (ɛho nhia sɛ wɔtrɛw ahunmu mu ma ɛyɛ nwini).

2. 30–50% ketewa, 40–60% yɛ hare: sie data center space a ɛsom bo .

Data center fam atenaeɛ yɛ ka a ɛho ka yɛ den-na atetesɛm tube-fin condensers sɛe no. mches' nyinaa-aluminum flat-tube + integrated fin design yi kɔbere bends akɛse ne fin gaps a bloat tube-fin models no fi hɔ.

Sɛ wopɛ mframa a ɛyɛ 100 kW-nhyehyɛe a ɛyɛ nwini a:

Volume: mches gye ~0.8 m3 (vs. 1.2–1.3 m3 ma tube-fin), fitting mmerɛw wɔ rack afã anaa ntwea so.

Mu duru: Wɔ ~80 kg (VS. 150 kg ma tube-fin), mches yɛ papa ma ɔdan atifi crac units-wɔtew ɔdan mu adesoa so na wɔtew ka a wɔde si so (a emu yɛ duru a wɔde ma nneɛma so ho hia).

3. 50–70% Refrigerant a ɛba fam: Tew ɛka so & di nneɛma a atwa yɛn ho ahyia ho mmara so .

Refrigerants te sɛ R410A bo yɛ den na wɔahyɛ ho mmara (esiane EU F-gas mmara ne China de .Green ne Low-Carbon Rating Evaluation ma data mmeae ahorow .).). MCHEs’ channel volume ketewaa bi (1/3–1/2 nea ɛwɔ tube-FIN mu) no twitwa frigye ahiade:

100 kW nhyehyɛe a wɔde R410A di dwuma no hia 2.5–3.5 kg pɛ a ɛyɛ frigye (vs. 8–10 kg ma tube-fin)-akora ~300–390 CNY wɔ unit biara anim.

Nsεmfua kakraa bi a εfa nsuo a εfa mu ho (40% a εsua sene tube-fin, ɛnam headers a wɔaka abom nti) kyerɛ sɛ asiane a ɛwɔ nneɛma a atwa yɛn ho ahyia mu no sua na refrigerant top a ne bo yɛ den biara nni hɔ-UPS.

4. corrosion resistance & 10,000-hour MTBF: ma cracs no nkɔ so nyɛ adwuma 24/7.

Data centers no yɛ adwuma a ennyae-na downtime yɛ catastrophic. Amammerɛ tube-fin condensers di nkogu ntɛm esiane kɔbere-aluminum galvanic corrosion nti, nanso mches no yɛ nea ɛbɛtra hɔ akyɛ:

Nsiesiei a ɛnyɛ den: vacuum brazing yi "kɔbere-aluminum gaps" (a ɛyɛ corrosion trigger titiriw).

Nneɛma a wɔde kata so a wɔahyɛ da ayɛ: Epoxy anaa polytetrafluoroethylene a wɔde kata so (a ne kɛse yɛ 20–50 μm) ma nkyene a wɔde petepete so no tumi gyina ano fi nnɔnhwerew 500 kosi bɛboro nnɔnhwerew 1500.

Nea afi mu aba? MTBF (bere a ɛda huammɔdi ntam) no bɔ nnɔnhwerew 10,000-ɛkame ayɛ sɛ ɛboro tube no mmɔho abien-fin ( nnɔnhwerew 5,000–6,000). Nsiesiei a ɛba fam=bere a wɔde yɛ adwuma no sua ma wo data center.

Custom Technical Adaptations: Ma MCHE nyɛ adwuma mma wo CRAC .

MCHE nyɛ "drop-in" replacement-Wɔhia tweaks a ɛne CRACs ahiadeɛ soronko hyia. Sɛnea yɛyɛ wɔn optimize ma data centers ni:

1. Smart design ma adesoa nsakrae & dede a ɛba fam .

Multi-afa akwan so .: Server load spike awiabere na ɛkɔ fam anadwo. MCHE ahorow no de ɔfã 2–4 fã a ɛsen fa akwan so, a wɔde ɛlɛtrɔnik ntrɛwmu valve ahorow abɔ mu, yɛ nsakrae wɔ frigye a ɛsen no mu: tumi a edi mũ ma mmepɔw a ɛwɔ soro, tumi a ɛyɛ fã bi ma lulls. Eyi kwati "Low-load infficiency" a ɛhaw atetesɛm biako-afa condensers ho no.

Ntini a ɛyɛ komm .: Data centers hia dede a ennu anaasɛ ɛne 60 dB (a) yɛ pɛ. MCHE ahorow no de teateaa-Pitch louvered fins (1.8–2.2 mm spacing) ne low-airflow fans (1.5–2.0 m/s)-Tua dede 3–5 dB (A) vs. tube-fin, enti (adwumayɛ ne nsiesie) akuw adwuma a wɔmfa nni dwuma.

2. (Corrosion & Clogging Protection): Wɔasi ama data center mmeae ahorow .

Mfutuma, UPS batere wusiw, ne nsu a ɛkɔ soro no yɛ data center asiane-MCHES tackle wɔn ti-on:

Dual-Layer anti-nsɛm a wɔde kata so .: Chromate passivation (5–10 μm) ma adhesion yɛ kɛse, bere a epoxy atifi layer (20–30 μm) siw corrosive media ano. Sɔhwɛ ahorow kyerɛ sɛ ɛko tia rust bɛboro mfe 8 wɔ data centers.

Nsuo-afã a ɛkyekyere (ma nsuo-Cracs a ɛyɛ nwini) .: MCHE channels (1–2 mm) no taa yɛ scaling-enti yɛde ka ho:

100-mesh stainless steel inlet filters a wɔde kyere efĩ.

Tapered channels (1 mm inlet → 1.5 mm outlet) a ɛbɛma nsuo a ɛsen no so atew-akɔ soro a ɛde nsenia ba.

Aduan-grade scale inhibitors (sɛ nhwɛso no, polycarboxylic acid) a ɛbɛtrɛw ahotew ntam kwan mu akɔ asram 12 (vs. 6 asram ma tube-fin).

3. Seamless CRAC nkabom: nwura biara nni hɔ, nsu biara ntutu .

MCHE yɛ adwuma yiye bere a wɔde krac nhyehyɛe ahorow abɔ mu-yɛyɛ nkitahodi biara yiye:

Fan a ɛne no hyia .: Mche fins no wɔ 15–20% a ɛba fam mframa a ɛko tia sen tube{2}}fin. Yɛde-Static-Pressure fans (50–80 PA) ne cap ahoɔhare a ennu anaasɛ ɛne 1400 rpm yɛ pɛ di dwuma de sie ahoɔden a yɛmfa onwini mmɔ afɔre.

Leak-Adanseɛ ntam nkitahodiɛ .: Atiri a wɔaka abom a wɔatwa ntam a wɔkan fi 8–12 (tube-fin) kosi 2–4. Double-FerRule nsɔano ma nsuo a ɛtwetwe no nkɔ soro nsen 1×10⁻ ⁹ Pa·m3/s (Helium nsuo a ɛtwetwe nsuo ho sɔhwɛ)-a ɛho hia ma frigye ho ahobanbɔ.

Nea enti a mches yɛ crac condensers daakye .

Wɔ data centers ho no, MCHE nyɛ ɔhyew exchanger a eye sen biara-Wɔyɛ ɔkwan a wɔfa so bɔ sustainability botae ahorow, wɔtew ɛka so, na wɔma server ahorow no kɔ so yɛ nea wotumi de ho to so. Sɛ woresi-Density facility a ɛkorɔn anaasɛ woreyɛ cracs dedaw no foforo a, MCHE ahorow no de adwumayɛ a ɛyɛ adwuma yiye, ahunmu a wɔkora so, ne nea ɛtra hɔ kyɛ no ma a, ɛsɛ sɛ wokɔ so si akan.

Woasiesie wo ho sɛ wobɛsakra wo crac condensers? Hwehwɛ sɛnea MCHE betumi ama wo TUE so atew na ama wo data center no ayɛ adwuma yiye nnɛ.

Tags a ɛyɛ hyew .: Microchannel Afiri a Wɔde Hohoro Nneɛma a Wɔde Yɛ Drying Condenser, China Microchannel Afiri a Wɔde Hohoro Nneɛma a Wɔde Yɛ Drying Condenser a Wɔyɛ, Wɔn a Wɔde Ma, Adwumayɛbea