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Racire Discutii despre coolere, ventilatoare si temperaturi


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Old 17-06-2011, 22:10   #1
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Default Ventilatoare pentru bench



Acest thread este dedicat ventilatoarelor pentru overclocking extrem pe aer si nu numai, pentru ca si in cazul sesiunilor pe subzero se folosesc ventilatoare suparate.

Puteti posta poze, noutati sau orice este legat de subiect. Bineinteles testele sunt mai mult decat binevenite.

Vom avea si un articol mult mai complex pe site, dar nu am o data exacta a publicarii.

O sa incep eu cu un mic test (este postat deja dar il repostez in acest thread), urmand ca maine sa mai pun un test facut astazi.
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Old 17-06-2011, 22:11   #2
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Am fost curios si eu de 4112NH4 de la EBM, il am de mult timp dar nu l-am testat, am tot adunat pe ele pentru testul de ventilatoare de bench.


27c ambient
2500k/Archon/PK-1
Prime large FFT

EBM 4112NH4 (6800rpm) - 63.5c
Delta TFB1212GHE (4600rpm) - 64.2c
San Ace 9SG11212P1G03 (6000RPM) - 63.5c

4112NH4 (test 2) - 63.7c

Nu sunt cele mai bune conditii de test, in articol vor fi mult mai dure, dar ventilatorul EBM se comporta bine, lucru care nu a fost o surpriza pentru mine pentru ca desi nu l-am testat "concret" pana acum, am vazut ca "sufla bine".

TFB1212GHE este foarte eficient pentru turatia lui, probabil si din cauza arhitecturii mai avansate, cu lamele directionale.

Calitativ vorbind, San Ace-ul este pe primul loc, Delta pe doi si EBM pe trei, dar este o parere personala, ce nu o pot sustine cu nici un test.

Diferentele sunt foarte mici intre ventilatoare, in articol voi avea si alt fel de test pentru o mai buna departajare (in functie de presiunea statica)
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Last edited by poparamiro; 17-06-2011 at 22:14.
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Old 17-06-2011, 22:48   #3
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scuza-mi noobismul...insa de unde faci rost de asemenea ventilatoare?
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Old 17-06-2011, 22:57   #4
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Chestie interesanta , acele ventilatoare au debit mare incontestabil de altfel fata de astea ce se gasesc prin magazine doar ca suprafata ocupata de motor e una considerabila ...unde vreau sa ajung e ca, "lipit" de cooler prin vedere din partea cealalta a coolerului apare o suprafata prin care nu prea trece aerul, cu siguranta sunt curenti de aer doar ca..; arhitectura coolerului contand aici.
LE: ce masa au? nici chiar pe o scala,asa orientativ.

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Old 17-06-2011, 23:09   #5
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Scythe Ultra Kaze 120 mm 3000 RPM s-ar descurca foarte bine...sunt destul de ieftine, un prieten avea o carcasa plina cu asa ceva, facuse un aspirator de praf


apropos bogdi_r te gandeai la asa ceva :http://www.youtube.com/watch?v=hRKIixQYkgg tipul a pus ceva separatoare intre cooler si ventilatoare.
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Old 17-06-2011, 23:36   #6
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E ok si cu distantiere, eu ma gandeam la un ventilator cu rotorul avand o carcasa de forma conica si pale "unghiuite" pentru a directiona uniform si-n partea centrala; sunt excelente si acestea ce se gasesc; scuze pentru deviere.
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Old 18-06-2011, 00:28   #7
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Ventilatoarele se gasesc in SUA.

Cu cat ventilatorul este mai departe de heatsink pierderile de presiune sunt mai mari. Presiunea statica este foarte importanta la coolerele cu lamele dese, adica cele pentru bench.


O parte din specificatii sunt aici, la cel de 140mm este trecuta si greutatea - 650g.

Teoria cu focalizarea fluxului de aer pe toata suprafata coolerului, este una interesanta, dar vor fi perderi de presiune si este mult mai important sa avem presiune maxima in anumite zone ale coolerului, adica in zonele care conteaza, decat sa avem presiune mai mica pe toata suprafata coolerului.

Bineinteles ca arhitectura heatsink-ului joaca un rol important, dar azi am facut cateva experimente si teste (pe cel mai bun cooler de bench), si o sa vedeti un ventilator care ruleaza la jumatate din capacitate, "sufla" o mare parte din aer pe langa cooler, in zona centrala a coolerului nu "sufla" deloc, si totusi are performante foarte apropiate de castigatorul testului.

Ultra kaze de 3000rpm sunt slabe, inclusiv calitativ, dar in lipsa de altceva pot fi considerate ventilatoare de bench.

Last edited by poparamiro; 18-06-2011 at 00:32.
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Old 21-06-2011, 12:58   #8
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Mai nou Scythe comercializeaza si ventilatoare de turatie foarte mare din seria GentleTyphoon (produse de Nidec, o companie cu traditie in producerea ventilatoarelor de uz industrial).

Am facut un mic test comparativ pentru a vedea eficienta lor in conditii de bench. Ca ventilatoare de comparatie am folosit cele mai puternice modele Delta, de 120x25mm, 120x38mm si 140x38mm. Nu a lipsit modelul San Ace cu rotoare contrarotative, avand 300cfm si o presiune statica uriasa.

Sistemul de test a constat in procesorul Intel 980x (puternic voltat) montat pe evga 760 si racit de True Copper, pentru a diferentia cat mai bine ventilatoarele. Ca pasta termica am folosit PK-1.

REZULTATE



Cum era de asteptat, San Ace-ul castiga dar diferentele nu sunt foarte mari intre ventilatoare, ambientul mare (27c) contribuind si el la aceasta situatie.

GentleTyphoon-ul de 5400rpm are o comportare decenta, reusind sa invinga Delta-ul de 4000rpm si 120x25mm. FFB1212EH nu are o arhitectura prea eficienta, avand pale foarte mici si un rotor foarte mare.

Typhoon-ul este cu siguranta cel mai "silent" ventilator de bench cu turatie foarte mare. Observam eficienta foarte buna a Delta-ului de 4000rpm/38mm si temperatura foarte buna a modelului de 5500rpm (PFB 1212UHE).

Surpriza testului a fost pentru mine Delta-ul de 140mm si 370CFM, care a evoluat la jumatate din capacitate, adica la 12v in loc de 24 si ~2700rpm in loc de 5500rpm. A obtinut o temperatura foarte buna, mai ales daca tinem cont ca sufla o parte din aer pe langa heatsink iar rotorul este imens.
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Last edited by poparamiro; 23-06-2011 at 09:35.
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Old 21-06-2011, 13:10   #9
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Mai mult decit onorabila prestatia Typhoon-ului. La nici 3 grade de avioanele de la Delta e un rezultat mai mult decit bun.

Acum daca ar ajunge si la noi in magazine n-ar fi rau deloc.
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Old 22-06-2011, 07:41   #10
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Mai mai ca as lua si eu unul (typhoon).
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Old 05-07-2011, 13:19   #11
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Vorbind de lup:

http://www.pcgarage.ro/ventilatoare-...20-mm-5400rpm/
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Old 04-11-2011, 14:35   #12
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Pentru cei interesati, catalogul Sanyo Denki DC Fans 2011.

http://www.sanyodenki.eu/IMG/pdf/DC_...2011_e_Low.pdf

Printre ventilatoarele interesante:





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Old 04-11-2011, 16:08   #13
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Eu zic pas
Am sinuzita si astea imi declanseaza afectiunea si daca stau in camera alaturata =))))
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Old 06-11-2011, 10:28   #14
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Am pus si eu ventilatoarele mele de bench ; nu sunt asa puternice ca ale lui Ramiro ... dar isi fac treaba


2 x Delta AFC0912DE 92mm 160 CFM / 6000 rpm

1 x Delta EFC0912BF 92mm 80 CFM / 4000 rpm

1 x Delta AFC1212DE 120mm 148 CFM / 3900 rpm

4 x SUNON PMD1212PTB1-A 120mm 150 CFM / 4500 rpm
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Old 06-11-2011, 17:20   #15
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Holy freakin shit, are 800gr ventilatorul ala =)) Cuplat cu un radiator de inca 800-1000gr e ideal pentru a rupe PCB-uri in doua.
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Old 06-11-2011, 18:27   #16
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ee... true choper are 2 kg ... si nu rupe placa de baza ... dar ce e drept nici nu ai curaj sa dansezi cu ea
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Old 06-11-2011, 19:00   #17
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Quote:
Originally Posted by poparamiro View Post
Ultra kaze de 3000rpm sunt slabe, inclusiv calitativ, dar in lipsa de altceva pot fi considerate ventilatoare de bench.
Si eu care credeam ca am si eu din astea dintre cele mai bune pe langa moristile ce le aveam ....astea mi se pareau avioane
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Old 29-12-2011, 11:36   #18
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@ ramiro

Am un DELTA FAN AFC1212DE D6168 3.0A.Am dat de el prin cutia cu jucarii si mi s-a pus pata sa il pun pe carcasa.Am un HAF 912 plus.Fluxul de aer e decent in ea dar totusi in gaming vad ca scoate aer cald pe sus.Ideea e ca vreau sa il potolesc cu ceva pentru ca la turatie maxima cred ca stii despre ce este vorba.Am incercat cu Zalman fanmate dar dupa cateva secunde intra in protectie si ii taie voltajul.Apoi iar porneste in full speed si asa mai departe.

L.E. ...am gasit un clip pe youtube in care unul probeaza asa ceva Vad ca are un fan controller custom.Credeti ca gasesc pe undeva ceva de genul? NU mai am spatiu pe fata sa pun fan controller.
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Old 29-12-2011, 16:35   #19
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Ai nevoie de un controler sa suporte ~ 5A. Teoretic ar merge si unul mai slab pentru ca, cred ca cei 3A reprezinta curentul de pornire, dar mai bine sa fie sigura treaba.

Sunt scheme pe net sau daca vrei sa cumperi erau ceva controlere puternice pe sidewinder computers.
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Old 29-12-2011, 19:57   #20
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am vazut ceva pe acolo.Zici ca ar consuma si mai mult de 3 amperi?
Imi dai un link exact cu ce mi-ar trebui?Desi nu stiu cum o sa pot cumpara eu de acolo.

LE
am gasit..e vorba de reostat.Si cam costa .Alte alternative am?

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