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Category Archives: Chemeng
Impressions from the sps ipc drives Italia 2017 fair
The sps ipc drives 2017 fair which took place in Parma last week has been dominated by the Industry 4.0 theme, which was already lurking in last year’s edition (see the mini-reportage about that). All visitors coming from the south … Continue reading
Posted in Chemeng, Industry 4.0
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Commento alla fiera sps ipc drives Italia 2017
La fiera sps ipc drives 2017 che si è svolta a Parma la settimana scorsa è stata dominata dal tema dell’Industria 4.0, che aveva già fatto da sfondo all’edizione dell’anno scorso (vedi il mini-reportage in inglese). Questa volta ai visitatori … Continue reading
Posted in Chemeng, Industry 4.0
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How to make the digital transformation of manufacturing happen ?
[Originally appeared as guest post on the Industrial IoT/Industrie 4.0 Viewpoints blog] The Digital Transformation is there: devices, technologies and suppliers are ready to bring manufacturing enterprises to a new level with increased productivity and more added value. But if … Continue reading
Effect of initial estimates for KLLs on the convergence of liquid-liquid equilibrium calculations
The initial estimates for the KLLs (equilibrium factors) have a big influence on the convergence behavior of liquid-liquid equilibrium calculations. To highlight this effect, let’s try out something with LIBPF. We choose the system H2O / 2-ethyl-1-hexanol. Experimental measurements for … Continue reading
Running your own kernel from the LIBPF user interface on OS X
During model development, you rapidly produce new versions of the calculation kernel (the command-line executable version of your models). The easiest thing to do to try them out is to run them from the LIBPF user interface. Here is a … Continue reading
Posted in C++, Chemeng, Howtos
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Modeling a pipe with a large pressure drop
The Pipe model is a concentrated parameter model for pipes. The correlations it uses are applicable only for small pressure drops, i.e. less than 10% of the absolute inlet pressure. If the calculated pressure drop is larger than that, you’ll … Continue reading
Posted in C++, Chemeng
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HOWTO make verbosity level accessible for users
LIBPF’s 4 diagnostic levels allow the model developer to fine-tune the verbosity at a global, compilation, unit, function and class instance level. Of these, two (verbosityGlobal and verbosityInstance) are also available at run-time, but normally not for the model user. … Continue reading
RSS feed for EASME news
If you are looking for the RSS feed of the EASME news (the European Commission’s Executive Agency for Small and Medium-sized Enterprises), here it is: http://libpf.com/easme.rss. For details how this works, see the related post RSS feed for AIChE ChEnected … Continue reading
Posted in Chemeng
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A JSON-based file format for the exchange of thermo-physical model parameters
We present a proof-of-concept, JSON-based, vendor-independent file format for the exchange of thermo-physical model parameters. You can try it out in this browser-based demo tool. We started from what is already avaiable: the IK-CAPE PPDX format, a vendor-independent file format for … Continue reading
Posted in Chemeng, Philosophy, Uncategorized
Tagged JSON, thermo-physical parameters
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RSS feed for AIChE ChEnected
If you are looking for the RSS feed of AIChE ChEnected (the online community of young professional chemical engineers hosted by the American Institute of Chemical Engineers), here it is: http://libpf.com/chenected2.rss. ChEnected has plenty of social connectivity options (at the … Continue reading