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Thermodynamic Property and Fluid Modeling with Modern Programming Language Construct

Martin Otter, Hilding Elmqvist, Dirk Zimmer, Christopher Laughman
2019 Proceedings Name  
In this paper, a prototype is described that demonstrates how thermodynamic property and thermo-fluid pipe component modeling could be considerably enhanced via modern language constructs.  ...  This prototype is based on the Modia modelling and simulation prototype and relies on features of the Julia programming language.  ...  Acknowledgements The authors want to thank Jarrett Revels, MIT for valuable advice on Julia and automatic differentiation using Julia.  ... 
doi:10.3384/ecp19157589 dblp:conf/modelica/OtterEZL19 fatcat:mo4cafyy3jejpewhzvc7gahymu

Differentiable Physics: A Position Piece [article]

Bharath Ramsundar and Dilip Krishnamurthy and Venkatasubramanian Viswanathan
2021 arXiv   pre-print
Differentiable physics provides a new approach for modeling and understanding the physical systems by pairing the new technology of differentiable programming with classical numerical methods for physical  ...  We argue that differentiable physics offers a new paradigm for modeling physical phenomena by combining classical analytic solutions with numerical methodology using the bridge of differentiable programming  ...  The open question is how we can construct a programming language that can model physical reality. Ideally such a programming language should be fully differentiable and have full array support.  ... 
arXiv:2109.07573v1 fatcat:jfv2bkzrvjevdbm2sm3pfqmmdq

Automation of selected brazes' dynamic properties in high-temperatures' measurement process

Dominik Sankowski, Marcin Bakala, Rafał Wojciechowski
2013 Image Processing & Communications  
In the paper, the brazes' dynamic properties in high-temperatures' measurement methodology and the stand for automatic determination of braze's properties, constructed and implmented within the research  ...  Nowadays, the research in material engineering focuses also on modern, automatic measurement methods of joining process properties, i.a. wetting force and surface tension, which allows for quantitative  ...  and function blocks were made with ST language, the experiment sequence with SFC. Using of standard language 38 D. Sankowski, M. Bakala, R.  ... 
doi:10.2478/v10248-012-0077-0 fatcat:74b5vf4sifca7jp2uqlr23w66m

海外留学案内と学生生活

Hiroshi Kubota, Shoji Kimura, Reiji Mezaki, Satoshi Mochizuki, Tetsuo Akiyama
1968 Chemical engineering  
chemical research, the application of engineering concepts, effective oral and written presentation of the research program, and safety practices. of unit operations, with emphasis on momentum, heat, and  ...  Development of mathematical models to describe dynamic and steady-state processbehavior . Representation of the structure of complex, interconnected chemical processes with arbitrary recycle stream.  ... 
doi:10.1252/kakoronbunshu1953.32.963 fatcat:3yuxcz7fzvebhebd2zbvl73w3y

Thermodynamic analysis of environmental problems of energy

Boris M. Kaganovich, Maxim S. Zarodnyuk, Sergey V. Yakshin, S.V. Alekseenko
2017 MATEC Web of Conferences  
The model of extreme intermediate states developed at the Energy Systems Institute based on the principles of classical equilibrium thermodynamics was chosen to devise specific computational methods.  ...  The results of the conducted studies are presented and directions for further work are outlined.  ...  The model of extreme intermediate states is presented in the language of the mathematical programming which is a modern theory of equilibrium extreme states.  ... 
doi:10.1051/matecconf/201711506009 fatcat:ha2p3prnrnakhiqayrvkhjxcmm

Highlights of (bio-)chemical tools and visualization software for computational science

David Dubbeldam, Jocelyne Vreede, Thijs JH Vlugt, Sofia Calero
2019 Current Opinion in Chemical Engineering  
Typical workflows of computational chemists include the use of dozens of utilities. 3D modeling programs are powerful tools that help researchers visualize their work and create illustrative graphics.  ...  In this review, we describe and highlight tools and visualization packages that are commonly used in the field of (bio-)chemistry and material science.  ...  The Reference Fluid Thermodynamic and Transport Properties (REFPROP) database by NIST, available commercially at https://www.nist.gov/srd/refprop, consists of a collection of models and equations of state  ... 
doi:10.1016/j.coche.2019.02.001 fatcat:lntih5hdgjcsxpizloatezhg5a

Pure and Pseudo-pure Fluid Thermophysical Property Evaluation and the Open-Source Thermophysical Property Library CoolProp

Ian H. Bell, Jorrit Wronski, Sylvain Quoilin, Vincent Lemort
2014 Industrial & Engineering Chemistry Research  
This library is written in C++, with wrappers available for the majority of programming languages and platforms of technical interest.  ...  Over the last few decades, researchers have developed a number of empirical and theoretical models for the correlation and prediction of the thermophysical properties of pure fluids and mixtures treated  ...  ■ ACKNOWLEDGMENTS The authors of this paper are indebted to Eric Lemmon of NIST; he has provided countless words of wisdom throughout the development of this paper and the library CoolProp.  ... 
doi:10.1021/ie4033999 pmid:24623957 pmcid:PMC3944605 fatcat:dgbkf4dt35bajmv5ln747ud6om

Computational Science and Engineering On-line: an integrated web-based environment for multi-scale modelling of complex reaction systems

Thanh N. Truong, Tom Cook, Manohar Nayak, Chaiwoot Boonyasiriwat, Le-Thuy T. Tran, Shaowen Zhang
2004 Molecular Physics  
Our initial efforts are focusing on an integrated environment for multi-scale modelling of complex reacting systems from fundamental quantum chemistry with different entry points.  ...  Current available GUIs are for quantum chemistry, thermodynamics and kinetics. Work is in progress to allow CSEO accessing resources from the computing grids using the Globus technology.  ...  Figure 3 . 3 A snapshot of the GUI for the quantum chemistry programs. Figure 4 . 4 A snapshot of the GUI for the thermo program for calculating thermodynamic properties of molecular species.  ... 
doi:10.1080/00268970310001649392 fatcat:hhwy2srfabhvhahmnnzjgtzjz4

On the construction of binary mixture p -x and T -x diagrams from isochoric thermodynamics

Ian H. Bell, Ulrich K. Deiters
2018 AIChE Journal  
isochoric thermodynamics formalism for the multi-fluid mixture models of GERG (and other models). • fully reproducible results through the dissemination of the C++ source code and the Python scripts used  ...  In this work we describe how to efficiently and reliably calculate p-x and T -x diagrams for binary mixtures of fluids.  ...  Bell, who generously shared his love of 3D printing and was the inspiration to print a phase envelope in 3D, and Andreas Jäger of TU Dresden for several in-depth reviews of the manuscript.  ... 
doi:10.1002/aic.16074 fatcat:yn3ulsf5svcyjpb4yhdwwzqj24

The Art of Molecular Dynamics Simulation

D. C. Rapaport, Robin L. Blumberg, Susan R. McKay, Wolfgang Christian
1996 Computers in physics  
It is organized as a series of case studies that take the reader through each of the steps from formulating the problem, developing the necessary software, and then using the programs to make actual measurements  ...  This book is a blend of tutorial and recipe collection, providing both an introduction to the subject for beginners and a reference manual for more experienced practitioners.  ...  The view that programs are best kept out of sight along with the plumbing is seriously outdated, and program listings are integrated into the text, with the same status as mathematical equations.  ... 
doi:10.1063/1.4822471 fatcat:64rx2iw2wre4holeq3qdftu6v4

Gibbs' rational reconstruction of thermodynamics according to the heuristic tradition of Descartes' analytical method

Jojomar Lucena, Cássio Costa Laranjeiras, José Raimundo Novaes Chiappin
2018 Revista Brasileira de Ensino de Física  
Our contention is that Descartes's method of discovery illuminates the intellectual itinerary of the construction of the thermodynamics of potentials.  ...  Throughout this paper we shall use the heuristic tradition of Descartes' analytical (or discovery) method for a rational reconstruction of Gibbs' thermodynamics, or thermodynamics of potentials, seeking  ...  We are also grateful to the referees whose observations and suggestions helped to improve this work.  ... 
doi:10.1590/1806-9126-rbef-2018-0012 fatcat:nbg26756fzcytmzpvi7eo22zze

COMPUTER PROGRAM FOR CALCULATION MICROCHANNEL HEAT EXCHANGERS FOR AIR CONDITIONING SYSTEMS

Olga V. Olshevska
2016 Holodilʹnaâ Tehnika i Tehnologiâ  
Software packages for thermophysical properties of the working substance and the coolant, the correlation equation for calculating heat transfer, aerodynamics and hydrodynamics, the thermodynamic equations  ...  Creating a computer program to calculate microchannel air condensers to reduce design time and carrying out variant calculations.  ...  In the research was developed the methodology for calculations of thermotechnical characteristics of the microchannel condensers based on mathematical models of heat transfer, fluid-and aerodynamics of  ... 
doi:10.15673/ret.v52i3.123 fatcat:a5g5yj2bjzfcnkmbquawd4id4m

Decompression wave speed in CO2 mixtures: CFD modelling with the GERG-2008 equation of state

Alhoush Elshahomi, Cheng Lu, Guillaume Michal, Xiong Liu, Ajit Godbole, Philip Venton
2015 Applied Energy  
A range of representative CO2 mixtures was examined in terms of the changes in fluid properties from the initial conditions, with time and distance, immediately after a sudden pipeline opening at one end  ...  A range of representative CO 2 mixtures was examined in terms of the changes in fluid properties from the initial conditions, with time and distance, immediately after a sudden pipeline opening at one  ...  The modern multi-component GERG-2008 EOS [20, 52] was used to provide the thermodynamic properties of CO 2 mixtures.  ... 
doi:10.1016/j.apenergy.2014.11.054 fatcat:idxrenwqhbhc5ixvrrqg4gtl64

Topological inference of teleology: Deriving function from structure via evidential reasoning

John Otis Everett
1999 Artificial Intelligence  
TNT comprises a representation language for structure and function that enables the construction, extension, and maintenance of the domain-specific knowledge base required for such inferences, and an evidential  ...  We conclude with a discussion of CARNOTbased coaching tools that we have implemented as part of our publicly available CyclePad system, which is a design-based learning environment for thermodynamics.  ...  Goldman and Charniak [20] have developed what they call a "network construction language" for incrementally constructing belief networks to facilitate natural language understanding.  ... 
doi:10.1016/s0004-3702(99)00049-1 fatcat:d4vp7cbx3zfj3k7zt66dpvrhqq

Foundations of Engineering Mathematics Applied for Fluid Flows

Yuli D. Chashechkin
2021 Axioms  
In the theory of fluid flows within the continuous medium model, a key role for the total energy is distinguished.  ...  The complete solutions constructed describe both the structure and dynamics of non-stationary flows.  ...  theory of waves of various types and stratified flows.  ... 
doi:10.3390/axioms10040286 fatcat:yz2apyfqpjgijcfohzleuwktee
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