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:imreattila„at”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 liquid–vapor
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 vapor–liquid
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 region – Application 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:imreattila„at”energia.bme.hu)