[Ocp-europe] RuggedPOD production cost reduction concept

Jean-Jacques Chanut jjchanut at splitted-desktop.com
Fri Jul 10 08:27:26 UTC 2015


Hi all,
There is another issue using vaccum: we need to extract gas turned from 
the oil, and the process can spend a lot of time, using  a ballon with a 
valve could be a good solution.
Whatever, I don't understand the benefit to use argon inside the ballon, 
vaccum isn't enough ?

JJ


Le 10/07/2015 09:34, Verdun a écrit :
> Yes but we still have to handle pressure relief if we want keep a 
> small surface exchange
>
> We are trying to avoid over pressured équipement condition for varions 
> reasons including safety but you are right using argon inside the 
> balloon might help on some point
>
> We could also put argon directly on top of the oil but this will still 
> require humidity control If we have let fresh expand and contract on 
> top of it
>
> Envoyé de mon iPhone
>
> Le 10 juil. 2015 à 08:48, "Carter, Bill" <bill.carter at intel.com 
> <mailto:bill.carter at intel.com>> a écrit :
>
>> Argon should be heavier than air and therefore will displace air 
>> before the final seal.
>>
>> *From:*ocp-europe-bounces at lists.opencompute.org 
>> <mailto:ocp-europe-bounces at lists.opencompute.org> 
>> [mailto:ocp-europe-bounces at lists.opencompute.org] *On Behalf Of 
>> *Jean-Marie Verdun
>> *Sent:* Thursday, July 09, 2015 11:41 PM
>> *To:* ocp-europe at lists.opencompute.org 
>> <mailto:ocp-europe at lists.opencompute.org>
>> *Subject:* Re: [Ocp-europe] RuggedPOD production cost reduction concept
>>
>> Hi Bill,
>>
>> Yes we thought, but when we will have to run a maintenance we will 
>> have refill with Argon which is not really easy, while the balloon is 
>> using standard "air". But we still can pursue this option if you have 
>> some ideas on how to implement ;)
>>
>> Jm
>>
>> Le 10/07/15 08:29, Carter, Bill a écrit :
>>
>>     Have you thought of using Argon gas in place of the balloon.  
>>     Will keep the oil from oxidizing and will expand and contract
>>     like the balloon.
>>
>>     *From:*ocp-europe-bounces at lists.opencompute.org
>>     <mailto:ocp-europe-bounces at lists.opencompute.org>
>>     [mailto:ocp-europe-bounces at lists.opencompute.org] *On Behalf Of
>>     *Jean-Marie Verdun
>>     *Sent:* Thursday, July 09, 2015 1:42 PM
>>     *To:* team at ruggedpod.qyshare.com
>>     <mailto:team at ruggedpod.qyshare.com>;
>>     ocp-europe at lists.opencompute.org
>>     <mailto:ocp-europe at lists.opencompute.org>
>>     *Subject:* [Ocp-europe] RuggedPOD production cost reduction concept
>>
>>     Hi,
>>
>>     Our current RuggedPOD is running under vacuum. This has some key
>>     advantages but production cost is high due to high flatness
>>     surface quality that we must be reached to keep vacuum for a long
>>     period of time.
>>
>>     While working on cabling, we discovered that PTFE has some
>>     extremelly good performances with oil the coolant used in
>>     RuggedPOD. Our wish is to protect oil from oxydation happening
>>     with direct contact with oxygen.  An option might be to fill up
>>     part of the POD with a balloon which contain fresh air and add
>>     some oil. When the oil is warmed up it will apply some pressure
>>     on the balloon which will exhaust it's air out. When the oil will
>>     get cooler it will contract and external air might get inside the
>>     balloon.
>>
>>     This concept might remove the whole need to run under vacuum and
>>     might drastically lower production cost. What is your feedback ?
>>
>>     This doesn't change the interest we have to finish the vacuum
>>     system, as it is really interesting for "moving" POD like the one
>>     used for Army or disaster recovery, but in DC or CDN usage, I
>>     believe the balloon version might be really good.
>>
>>     Some power transformer are using this principle.
>>
>>     -- 
>>
>>       Jean-Marie Verdun
>>     *Splitted-Desktop Systems*
>>       President
>>       Batiment Aristote
>>       Parc des Algorithmes
>>       Route de l'orme des merisiers
>>       91190 Saint Aubin FRANCE
>>
>>     jean-marie.verdun at splitted-desktop.com
>>     <mailto:jean-marie.verdun at splitted-desktop.com>
>>
>>     <image001.jpg>
>>
>>     	
>>
>>     Splitted-Desktop Systems is a proud member of the Open Compute
>>     Foundation
>>     and a Gold member till July '15. We can provide you consulting
>>     and engineering
>>     services related to any OCP hardware. We also drive RuggedPOD and
>>     Daap Open
>>     Hardware projects
>>
>>
>>
>>
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>> -- 
>>
>>   Jean-Marie Verdun
>> *Splitted-Desktop Systems*
>>   President
>>   Batiment Aristote
>>   Parc des Algorithmes
>>   Route de l'orme des merisiers
>>   91190 Saint Aubin FRANCE
>>
>> jean-marie.verdun at splitted-desktop.com 
>> <mailto:jean-marie.verdun at splitted-desktop.com>
>>
>> <image001.jpg>
>>
>> 	
>>
>> Splitted-Desktop Systems is a proud member of the Open Compute Foundation
>> and a Gold member till July '15. We can provide you consulting and 
>> engineering
>> services related to any OCP hardware. We also drive RuggedPOD and 
>> Daap Open
>> Hardware projects
>>
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