Re: [dwsim-users] reactor application - ethyl acetate

[Daniel W. <dan...@gm...>]

Check if you have the "liblpsolve55.so" file in your DWSIM directory, if
not you can copy it from the "linux" folder.

2016-05-10 9:24 GMT-04:00 Hector Perez <hpe...@gm...>:

> Hi Daniel,
>
> Unfortunately I have run the 3 tasks available in the Additional File
> Tasks and it still gives the same error. It seems like the lpsolve55 is not
> installing properly.
>
> Thanks,
>
> Hector D. Perez
> Chemical Engineering Consultant
> skype: hdavid16
>
> On Tue, May 10, 2016 at 8:07 AM, Daniel Wagner <dan...@gm...>
> wrote:
>
>> Hi Hector,
>>
>> You must go to Tools > Additional File Tasks and copy the missing files.
>>
>> Regarding the differences between reaction approaches, this is probably
>> because the gibbs formation-based K expression is not adequate for this
>> reaction, otherwise the results would be the same as in the "Gibbs and
>> Equilibrium Reactors" sample.
>>
>> Regards
>> Daniel
>>
>>
>> 2016-05-10 1:05 GMT-04:00 Hector Perez <hpe...@gm...>:
>>
>>> Otra coisa que encontrei foi que "ReactionExtents" (no RPI) tive mais
>>> produccao do Ethyl Acetate (20% mais) que "DirectMinimization" (no Windows
>>> 10).
>>>
>>> Hector D. Perez
>>> Chemical Engineering Consultant
>>> skype: hdavid16
>>>
>>> On Tue, May 10, 2016 at 12:00 AM, Hector Perez <hpe...@gm...>
>>> wrote:
>>>
>>>> Boa Noite Daniel,
>>>>
>>>> Eu instalei o DWSIM no meu Raspberry Pi. Tive um problem com a
>>>> simulacao dos reactores. O problema foi con o Gibb's Reactor. Cuando o
>>>> metodo do calculo e "DirectMinimization", disse Error: lpsolve55.dll. Entao
>>>> eu tive que mudar o metodo ao "ReactionExtents". Depois disso a simulacao
>>>> fica bem. Voce conhece por que tive o error com lpsolve55.dll?
>>>>
>>>> Obrigado,
>>>>
>>>> Hector D. Perez
>>>> Chemical Engineering Consultant
>>>> skype: hdavid16
>>>>
>>>> On Wed, Apr 27, 2016 at 7:49 PM, Hector Perez <hpe...@gm...>
>>>> wrote:
>>>>
>>>>> That’s a nice feature. Thanks, Daniel. I’ll pass the word on to him.
>>>>>
>>>>>
>>>>>
>>>>> Boa noite!
>>>>>
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>> Chemical Engineering Consultant
>>>>> (+1) 801-788-4899
>>>>> (+57) 315-897-4902
>>>>> skype: hdavid16
>>>>>
>>>>>
>>>>>
>>>>> *From: *Daniel Wagner <dan...@gm...>
>>>>> *Sent: *Wednesday, April 27, 2016 5:28 PM
>>>>> *To: *Hector Perez <hpe...@gm...>
>>>>> *Cc: *dws...@li...
>>>>> *Subject: *Re: [dwsim-users] reactor application - ethyl acetate
>>>>>
>>>>>
>>>>>
>>>>> I´ll only have access to your simulation if you send the file to me.
>>>>> You can add an additional security layer by defining a password on Settings
>>>>> > Misc and saving the file in the "dwxmz (compressed XML)" format.
>>>>>
>>>>>
>>>>>
>>>>> 2016-04-27 17:21 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>>
>>>>> Hi Daniel,
>>>>>
>>>>>
>>>>>
>>>>> A friend of mine that I've introduced to DWSIM asked me if the program
>>>>> back downloads the simulations one builds or if they are kept private
>>>>> (confidential) on one's own PC.
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Apr 27, 2016 at 9:38 AM, Daniel Wagner <dan...@gm...>
>>>>> wrote:
>>>>>
>>>>> Actually I've designed the reactors in DWSIM based on HYSYS, though I
>>>>> don't remember if HYSYS also does pressure drop calculations or not. It was
>>>>> quite easy to do it because I already have the routines from the Pipe
>>>>> Segment Unit Op.
>>>>>
>>>>>
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Daniel
>>>>>
>>>>>
>>>>>
>>>>> 2016-04-27 10:35 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>>
>>>>> Ok. That makes sense. Well this is a +1 for DWSIM because ASPEN
>>>>> doesn't seem to take into account the fact that the liquid begins to
>>>>> vaporize and completely ignores the pressure drop. Once again, awesome job!
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>> Chemical Engineering Consultant
>>>>>
>>>>>
>>>>>
>>>>> On Wed, Apr 27, 2016 at 9:32 AM, Daniel Wagner <dan...@gm...>
>>>>> wrote:
>>>>>
>>>>> Hector, the pressure drop is at the limit of vaporization. When you
>>>>> increase the length to 0.22, part of the liquid vaporizes and the pressure
>>>>> drop goes beyond the charts. :-)
>>>>>
>>>>>
>>>>>
>>>>> Daniel
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 2016-04-27 10:16 GMT-04:00 Hector Perez <hpe...@gm...>:
>>>>>
>>>>> Yes. Here it is.
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>>
>>>>> Hector D. Perez
>>>>>
>>>>> Chemical Engineering Consultant
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>