Re: [dwsim-users] reactor application - ethyl acetate
Simulate chemical processes using advanced thermodynamic models
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From: Daniel W. <dan...@gm...> - 2016-05-10 13:57:44
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Did you update Mono to its latest version (4.0+)? 2016-05-10 9:55 GMT-04:00 Hector Perez <hpe...@gm...>: > The file is in the DWSIM directory (/usr/local/lib/dwsim/) already. > > > > Hector D. Perez > Chemical Engineering Consultant > skype: hdavid16 > > > > *From: *Daniel Wagner <dan...@gm...> > *Sent: *Tuesday, May 10, 2016 8:30 AM > *To: *Hector Perez <hpe...@gm...>; dws...@li... > > *Subject: *Re: [dwsim-users] reactor application - ethyl acetate > > > > 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 > > > > > > > > > > > > > > > > > > > > > |