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Racire Discutii despre coolere, ventilatoare si temperaturi


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Old 25-07-2009, 17:55   #1
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Default Teste & reviews cpu coolers

Intel Core i7 Heatsink Roundup Q309
Un articol plin de contradictii: Cogage bate True iar Zalman CNPS10X Extreme este batut in unele locuri de True cu ~5oC.

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Old 25-07-2009, 18:39   #2
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Ramiro trebuie facut un test complet si corect care sa includa celebritatile momentului.
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Old 25-07-2009, 22:41   #3
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Quote:
Originally Posted by xwoodoo View Post
Ramiro trebuie facut un test complet si corect care sa includa celebritatile momentului.
Eu tot adun pe ele, o sa fie si un articol care va contine esenta testelor mele de un an de zile, iar pentru mai tirziu am in plan sa-mi pun aer conditionat sa scap de problema cu ambientul care ma incurca foarte mult pe termen lung in teste.
Matose cred ca si-a luat un cooler doua cu el la mare sa mai testeze ceva

Last edited by poparamiro; 26-07-2009 at 03:01.
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Old 26-07-2009, 02:56   #4
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Cogage True Spirit Reviewed: Best Cooler for Your Money

Acum m-am uitat si eu mai bine la poze si vad ca printre multe alte modificari au micsorat si latimea coolerului/suprafata de disipare. (True era oricum subtire fata de altele)
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Last edited by poparamiro; 26-07-2009 at 03:05.
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Old 26-07-2009, 20:23   #5
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Akasa Nero @ HardwareSecrets
Scythe Zipang 2 @ PC-Experience.de
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Old 26-07-2009, 20:38   #6
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Quote:
Originally Posted by poparamiro View Post
Matose cred ca si-a luat un cooler doua cu el la mare sa mai testeze ceva
Da, am testat pe plaja... era ambientul mai mare cu vreo 20 grade dar cred ca e compatibil !
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Old 27-07-2009, 13:38   #7
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Maxcube Black Tornado S1283V CPU Cooler
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Old 25-07-2009, 18:42   #8
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Cred ca se pregateste ceva
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Old 25-07-2009, 18:48   #9
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Cred ca se pregatesc mai multe
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Old 27-07-2009, 15:04   #10
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Eu chiar is curios cine face toate HDT-urile astea fiindca e clar ca exista o sursa: vapor, garaj, subsol sau ce-o fi iar apoi diferiti 'producatori' aplica un sticker.

Pina acum Thors hammer pare singurul gindit de Xigmatek.
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Old 27-07-2009, 17:57   #11
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Nu pui si ceva Noctua?
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Old 27-07-2009, 18:26   #12
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Pun si Noctua numai sa testeze meseriasii

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Old 28-07-2009, 17:31   #13
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Poate am sanse la un raspuns aici: daca vopsesc un cooler cu şprei (mai putin baza) in strat subtire, ii scade performanta?
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Old 28-07-2009, 17:39   #14
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Daca vopsesti doar ultima lamela de sus, n-are nici o importanta, nu te afecteaza cu nimic. Acum doar nu vrei sa-i scoti toate lamelele si sa le vopsesti?
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Old 28-07-2009, 17:40   #15
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In mod sigur ii scade performanta pentru ca vopseaua creeaza un strat izolator intre suprafata de disipare (lamelele cooler-ului) si mediu (aer). Coolerele vopsite din fabrica negru folosesc o alta tehnica care afecteaza foarte putin performanta, sau chiar deloc
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Old 28-07-2009, 19:09   #16
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Quote:
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In mod sigur ii scade performanta pentru ca vopseaua creeaza un strat izolator intre suprafata de disipare (lamelele cooler-ului) si mediu (aer). Coolerele vopsite din fabrica negru folosesc o alta tehnica care afecteaza foarte putin performanta, sau chiar deloc
Procedeul se numeste eloxare-se trateaza cuprul sau aluminiul cu diferite substante,care coloreaza superficial suprafata respectiva.De exemplu,aluminiul se eloxeaza negru cu acid acetic(concentrat).
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Old 28-07-2009, 17:46   #17
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Pai nu le scot deloc, numa sa se vada ca are alta culoare. Adica lamela de sus si foarte putin pe marginile celorlalte.

Cele "colorate" din fabrica cum se vopsesc?
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Old 28-07-2009, 17:55   #18
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Prin procedee chimice, de exemplu se foloseste radiatorul drept anod intr-un reactie de electroliza si pe suprafata lui se depune un strat micronic de compusi.

Radiatoarele cedeaza caldura prin radiatie si prin convectie; prima are loc in orice mediu si depinde doar de suprafata radiatorului si de culoarea lui, iar cea de-a doua se refera la tranferul direct catre mediul cu care e in contact (in cazul de fata aer) si depinde de viteza, densitatea si compozitia acestuia. Prin radiatie corpurile negre transfera cea mai multa energie, de-asta se innegresc radiatoarele. Problema e ca stratul de vopsea afecteaza convectia .
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Old 28-07-2009, 18:35   #19
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Xigmatek Thor's Hammer HDT-S126384 Review @ Overclockersclub

Acei 75 de grade pasivi imi zgaraie retina. In rest the usual.
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Old 28-07-2009, 19:44   #20
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Exact asta este motivul pentru care nu am intrat in detalii, eram sigur ca cineva se pricepe mai bine ca mine. Ideea de baza este ca vopsirea afecteaza performantele coolerului, pe cand eloxarea nu (am vazut practic ca TRUE Black este cam acelasi lucru cu TRUE normal).
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