Research Group of Working Fluids

 

Budapest University of Technology and Economics, Faculty of Mechanical Engineering, Department of Energy Engineering

homepage:energia.bme.hu/~imreattila/WorkingFluidGroup

 

Profile:

-          Physical-chemical properties of high-pressure fluids (including supercritical states)

-          Selection of working fluids for various energy-related applications

-          Metastable systems and metamaterials

 

Head of the Group:                                                                                                Researchers:

Prof.  Attila R. Imre, DSc, dr. habil.                                                                        Dr. Axel Groniewsky, PhD, Associate Professor, Deputy Head of the Group

contact:imreattilaat”energia.bme.hu                                                                       Dr. Gábor Györke, Assistant Professor

                                                                                                                                 Ms. Réka Kustán, PhD student

                                                                                                                                 Mr. Aram Mohammed Ahmed, PhD student

 

Undergraduate members:

Mr. László Kondor, MSc student, Energy Engineering

 

Former members

Dávid Velmovszki

Adrienn Katona

Anna Mihók

 

The Working Fluids group is the member of the COSSMAT network.

 

Recent publications:

Working Fluids

1.      Attila R. Imre, Sergio E. Quinones-Cisneros, Ulrich K. Deiters: Adiabatic processes in the liquidvapor two-phase region - 1. Pure fluids, Industrial&Engineering Chemistry Research, 53(2014) 13529-13542 , https://doi.org/10.1021/ie5022688

2.      Attila R. Imre, Sergio E. Quinones-Cisneros, Ulrich K. Deiters: Adiabatic processes in the vaporliquid two-phase region - 2. Binary mixtures, Industrial&Engineering Chemistry Research, 54 (2015) 6559-6568, https://doi.org/10.1021/acs.iecr.5b01247

3.      A. Groniewsky, Analysis of Particle Swarm-Aided Power Plant Optimization, Periodica Polytechnica. Engineering. Mechanical Engineering, vol. 59 (3), pp. 102-108, 2015, https://doi.org/10.3311/PPme.7850

4.      Axel Groniewsky, Gábor Györke, Attila R. Imre: Description of wet-to-dry transition in model ORC working fluids, Applied Thermal Engineering, 125 (2017) 963–971, https://doi.org/10.1016/j.applthermaleng.2017.07.074

5.      Gábor Györke, Ulrich K. Deiters, Axel Groniewsky, Imre Lassu, Attila R. Imre: Novel Classification of Pure Working Fluids for Organic Rankine Cycle, Energy, 145 (2018) 288-300, https://doi.org/10.1016/j.energy.2017.12.135

6.      Axel Groniewsky and Attila R. Imre: Prediction of the ORC working fluid's temperature-entropy saturation boundary using Redlich-Kwong equation of state, Entropy, 20 (2018) 93; https://doi.org/10.3390/e20020093

7.      Gábor Györke, Axel Groniewsky, Attila R. Imre: A simple method to find new dry and isentropic working fluids for Organic Rankine Cycle, Energies, 12 (2019) 480, https://doi.org/10.3390/en12030480

8.      Attila R. Imre and Axel Groniewsky: Various ways of adiabatic expansion in Organic Rankine Cycle (ORC) and in Trilateral Flash Cycle (TFC), Zeitschrift für Physikalische Chemie, 233 (2019)577-594, https://doi.org/10.1515/zpch-2018-1292

9.      Attila R. Imre, Réka Kustán, Axel Groniewsky: Thermodynamic Selection of the Optimal Working Fluid for Organic Rankine Cycles, Energies, 12(2019)2028; https://doi.org/10.3390/en12102028

 

Supercritical states

10.  A. R. Imre, U.K. Deiters, T. Kraska, I. Tiselj: The pseudocritical regions for supercritical water,  Nuclear Engineering & Design, 252(2012)179-183, https://doi.org/10.1016/j.nucengdes.2012.07.007

11.  A. R. Imre, C. Ramboz, U.K. Deiters and T. Kraska :Anomalous fluid properties of carbon dioxide in the supercritical regionApplication to geological CO2 storage and related hazards, Environmental Earth Sciences, 73 (2015) 4373–4384, https://doi.org/10.1007/s12665-014-3716-5

12.  Imre, A.R., Groniewsky, A., Györke, G., Katona, A. and Velmovszki, D.: Anomalous Properties of Some Fluids - with High Relevance in Energy Engineering - in Their Pseudo-critical (Widom) Region, Periodica Polytechnica Chemical Engineering, 63 (2019)276-285, https://doi.org/10.3311/PPch.12905.

13.  Györke, G. and Imre, A.R.: Physical-chemical Background of the Potential Phase Transitions during Loss of Coolant Accidents in the Supercritical Water Loops of Various Generation IV Nuclear Reactor Types, Periodica Polytechnica Chemical Engineering, 63(2019) 333-339, https://doi.org/10.3311/PPch.12770.

 

Metastates

14.  S. Braun, A. R. Imre, T. Kraska: Stability limits of n-nonane calculated from molecular dynamics interface simulations, Journal of Chemical Physics, 138(2013)244710; https://doi.org/10.1063/1.4811197

15.  A.R. Imre, A. Baranyai, U. Deiters, P.T. Kiss, T. Kraska and S. E. Quiñones Cisneros: Estimation of the Thermodynamic Limit of Overheating for Bulk Water from Interfacial Properties, International Journal of Thermophysics, 34(2013)2053–2064, https://doi.org/10.1007/s10765-013-1518-8

16.  A. R. Imre: Metamaterials with negative compressibility – a novel concept with a long history, Materials Science – Poland, 32(2014)126-129, https://doi.org/10.2478/s13536-013-0179-4

17.  I. F. Barna, M. A. Pocsai, A. Guba, and A. R. Imre (2015). Theoretical study of steam condensation induced water hammer phenomena in horizontal pipelines, Kerntechnik, 80 (2015) 420-423, https://doi.org/10.3139/124.110537       

18.  Sega, Marcello; Fábián, Balázs; Imre, Attila R.; Jedlovszky, Pal: Relation Between the Liquid Spinodal Pressure and the Lateral Pressure Profile at the Liquid-Vapor Interface, Journal of Physical Chemistry C,  121 (2017) 12214-12219, https://doi.org/10.1021/acs.jpcc.7b02573

19.  Attila R. Imre, Axel Groniewsky, Gábor Györke: Description of the metastable liquid region with quantic and quasi-quintic equation of states, Interfacial Phenomena and Heat Transfer, 5(3) (2017) 173-185, https://10.1615/InterfacPhenomHeatTransfer.2018025457 (real publication year 2018)

20.  Attila R. Imre, Krzysztof W. Wojciechowski, Gábor Györke, Axel Groniewsky and Jakub.  W. Narojczyk: Pressure-volume work for metastable liquid and solid at zero pressure, Entropy 20 (2018) 338; https://doi.org/10.3390/e20050338

 

Metamaterials

21.  A. R. Imre: Metamaterials with negative compressibility – a novel concept with a long history, Materials Science – Poland, 32(2014)126-129, https://doi.org/10.2478/s13536-013-0179-4

22.  Jakub W. Narojczyk, Krzysztof W. Wojciechowski, Konstantin V. Tretiakov, Jerzy Smardzewski, Fabrizio Scarpa, Pawel M. Piglowski, Mikolaj Kowalik, Attila R. Imre and Mikolaj Bilski: Auxetic Properties of a f.c.c. Crystal of Hard Spheres with an Array of [001]-nanochannels Filled by Hard Spheres of Another Diameter, physica status solidi b, 256 (2019) 1800611, https://doi.org/10.1002/pssb.201800611

 

 


last update: Dec. 12, 2019 by A.R. Imre (contact:imreattilaat”energia.bme.hu)