Article
Physics, Nuclear
Meng-Yao Zhang, Hao Chen, Hassan Hassanabadi, Zheng-Wen Long, Hui Yang
Summary: Based on the Einstein-Maxwell theory, the J-T expansion of charged dilatonic black holes in (n+1)-dimensional spacetime is studied. The effects of the dimension n and dilaton field alpha on J-T expansion are analyzed, and an explicit expression for the J-T coefficient is derived. Negative heat capacity leads to a cooling process, and the behavior of the minimum inversion mass indicates a cooling-heating transition under certain conditions may not occur.
Article
Thermodynamics
Arash Pakravesh, Hosseinali Zarei
Summary: The study applies six equations of state to predict the Joule-Thomson coefficient and inversion curve for natural gas components, finding that SAFT-CP and original SAFT equations provide the best results compared to literature data.
Article
Chemistry, Physical
Erich T. Tiuman, Matheus V. R. Pereira, Moises A. Marcelino Neto, Dalton Bertoldi, Rigoberto E. M. Morales
Summary: Several methods involving specific cubic equations of state (EoS) have been tested to evaluate the Joule-Thomson coefficient (JTC) and inversion curves, but the Cubic Plus Association (CPA) EoS stands out in accurately predicting the JTC for various substances and mixtures under different conditions.
JOURNAL OF SUPERCRITICAL FLUIDS
(2021)
Article
Physics, Multidisciplinary
Muhammad Yasir, Lining Tong, Tiecheng Xia, Allah Ditta
Summary: The thermodynamics of charged and slowly rotating black holes in 4D Gauss-Bonnet gravity are analyzed in this study. The accurate thermodynamic volume and entropy are provided. Furthermore, thermodynamic geometric methods are used to investigate the microstructure, and the Joule-Thomson expansion of slowly rotating black hole in 4D Gauss-Bonnet gravity is explored. The expression of the Joule-Thomson coefficient is obtained and the cooling-heating region is demonstrated on the T - P graph.
FRONTIERS IN PHYSICS
(2023)
Article
Thermodynamics
Johannes Rossler, Ivan Antolovic, Simon Stephan, Jadran Vrabec
Summary: In this study, the performance of thermodynamic models is evaluated with respect to Joule-Thomson inversion using 29 fluids with different molecular structures. Three types of thermodynamic models are considered, and it is found that physically motivated models provide more realistic predictions at low and moderate temperatures, while deviations are observed at high temperatures.
FLUID PHASE EQUILIBRIA
(2022)
Article
Engineering, Chemical
Zhongyao Zhang, Ming Gao, Xiaopeng Chen, Xiaojie Wei, Jiezhen Liang, Chenghong Wu, Linlin Wang
Summary: The Joule-Thomson effect of binary mixtures (CO2 + H2) was determined using an apparatus, and the accuracy was verified through comparison with experimental data. The coefficients for different mole fractions of carbon dioxide at various pressures were measured, and five equations of state were used to calculate the effect. The GERG-2008 equation provided the best prediction, and a comparison was made between experimental and predicted data, showing similar results for the low-temperature branch.
CHINESE JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Green & Sustainable Science & Technology
Zhuoran Li, Caigong Zhang, Changjun Li, Hanyu Xie, Linyu Jiang
Summary: This study analyzed the characteristics of hydrogen-blended natural gas (HBNG) using the Soave-Benedict-Webb-Rubin (BWRS) equation of state. The study developed a thermodynamic model to evaluate the effects of hydrogen concentration on the isenthalpic curve, Joule-Thomson coefficient (JTC), and Joule-Thomson inversion curve (JTIC) of HBNG. The results showed that the addition of hydrogen caused the isenthalpic curve of HBNG to rise and the JTC to decrease, and this effect was nonlinearly correlated with hydrogen concentration, pressure, and temperature.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Thermodynamics
Sina Nabati Shoghl, Abbas Naderifar, Fatola Farhadi, Gholamreza Pazuki
Summary: Six cubic equations of state (CEoSs) were used to predict Joule-Thomson valve parameters, with three-parameter CEoSs showing better accuracy in JTC estimation and high-temperature branch, while two-parameter CEoSs performed better in the low-temperature branch. The study also examined the impact of different alpha-functions and volume translation factor, showing significant improvement in accuracy with the inclusion of a volume translation factor as a third parameter. Additionally, SRK-Twu88 and PR-Twu91 CEoSs demonstrated higher accuracy in predicting SHC compared to original SRK and PR.
Article
Thermodynamics
Kohei Tada
Summary: This paper presents the full range Joule-Thomson inversion curve of helium-3 constructed by a virial-type equation of state, and compares it with previous studies to validate the results. The peak temperature, peak pressure, and minimum and maximum inversion temperatures at zero pressure of helium-3 are determined in this study. The reduced inversion curve of helium-3 is also obtained and compared with other quantum and non-quantum fluids, with discrepancies explained by the thermal de Broglie wavelength.
INTERNATIONAL JOURNAL OF REFRIGERATION
(2021)
Article
Physics, Multidisciplinary
Nan Li, Jin-Yu Li, Bing-Yu Su
Summary: When a black hole is enclosed in a cavity in asymptotically flat space, an extended phase space similar to the anti-de Sitter (AdS) space can be constructed, but with notable dissimilarities. The Joule-Thomson (JT) effect of the black holes in the cavity only exhibits a cooling region, while a constant-thermal-energy process shows only a heating region. Unlike the AdS case, there is no inversion temperature or curve in the cavity. The discrepancy between the two extended phase spaces is revealed to be sensitive to specific boundary conditions.
FORTSCHRITTE DER PHYSIK-PROGRESS OF PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Ming Gao, Linlin Wang, Xiaopeng Chen, Xiaojie Wei, Jiezhen Liang, Luji Li
Summary: This study verified the accuracy of the apparatus for determining the Joule-Thomson effect, performed new measurements for three binary mixtures of (CO2 + N-2), and used three equations of state for calculation and prediction. The results showed that the GERG-2008 and AGA8-92DC equations performed well in predicting the JTIC, while the Peng-Robinson equation showed some deviations, performing well for pure N-2 JTIC but poorly for pure CO2.
Article
Chemistry, Multidisciplinary
Jingfa Li, Yue Su, Bo Yu, Peng Wang, Dongliang Sun
Summary: Blending hydrogen into the natural gas pipeline is a feasible way for large-scale hydrogen delivery, but it can affect the Joule-Thomson coefficient of natural gas significantly. This study numerically investigates the J-T coefficient of natural gas at different hydrogen blending ratios, finding that the J-T coefficient decreases linearly as the hydrogen blending ratio increases.
Article
Multidisciplinary Sciences
Sergey Il'ich Kruglov
Summary: The thermodynamics and phase transitions of magnetic Anti-de Sitter black holes were studied using the extended-phase-space thermodynamics approach. It was found that the extended-phase-space thermodynamics of black holes exhibits similar behavior to that of a Van der Waals liquid. Additionally, the thermodynamic critical points of phase transitions and the coupling of nonlinear electrodynamics were investigated.
Article
Physics, Particles & Fields
S. I. Kruglov
Summary: We study the critical behavior of charged AdS black holes in an extended phase space, considering the negative cosmological constant as thermodynamic pressure and the black hole mass as chemical enthalpy. Thermodynamic analogies and quantities are introduced, and the first law of black hole thermodynamics and the Smarr relation are demonstrated. The Joule-Thomson thermodynamic coefficient and adiabatic expansion are calculated and investigated.
Article
Computer Science, Interdisciplinary Applications
Ziyang Huang, Guang Lin, Arezoo M. Ardekani
Summary: In this study, a consistent and conservative Phase-Field model is developed for thermo-gas-liquid-solid flows with liquid-solid phase change. The model honors mass, momentum, and energy conservation, as well as temperature equilibrium.
JOURNAL OF COMPUTATIONAL PHYSICS
(2022)
Article
Thermodynamics
Vinicius M. da Silva, Rafael P. do Carmo, Felipe P. Fleming, Jean-Luc Daridon, Jerome Pauly, F. W. Tavares
FLUID PHASE EQUILIBRIA
(2018)
Article
Energy & Fuels
Rafael P. do Carmo, Vinicius M. da Silva, Felipe P. Fleming, Jean-Luc Daridon, Jerome Pauly, Frederico W. Tavares
Article
Thermodynamics
Natalia Munoz-Rujas, Jean Patrick Bazile, Fernando Aguilar, Guillaume Galliero, Eduardo Montero, Jean Luc Daridon
JOURNAL OF CHEMICAL THERMODYNAMICS
(2019)
Article
Thermodynamics
Dan Vladimir Nichita
FLUID PHASE EQUILIBRIA
(2019)
Article
Thermodynamics
Jean-Patrick Bazile, Djamel Nasri, Abdoul Wahidou, Saley Hamani, Guillaume Galliero, Jean-Luc Daridon
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2019)
Article
Energy & Fuels
Mohamed Saidoun, Thierry Palermo, Nicolas Passade-Boupat, Jean-Philippe Gingras, Herve Carrier, Jean-Luc Daridon
Article
Thermodynamics
Dan Vladimir Nichita
FLUID PHASE EQUILIBRIA
(2019)
Article
Thermodynamics
Dan Vladimir Nichita
FLUID PHASE EQUILIBRIA
(2019)
Article
Thermodynamics
Natalia Munoz-Rujas, Jean Patrick Bazile, Fernando Aguilar, Guillaume Galliero, Eduardo Montero, Jean Luc Daridon, Christian Boned
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2019)
Article
Energy & Fuels
Martin Petitfrere, Dan Vladimir Nichita, Denis Voskov, Rustem Zaydullin, Igor Bogdanov
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
(2020)
Article
Thermodynamics
Jean-Luc Daridon, Francois Montel, Dan Vladimir Nichita, Jerome Pauly
Summary: This study investigates the full phase diagram of a binary system comprising of carbon dioxide and a heavy paraffin, including fluid phase equilibria, fluid-solid phase transition conditions, and the influence of carbon dioxide content on the system.
FLUID PHASE EQUILIBRIA
(2021)
Article
Thermodynamics
Sergiu Sima, Catinca Secuianu, Dan Vladimir Nichita
Summary: New isothermal vapor-liquid equilibrium data for the carbon dioxide + 1,4-dioxane system were reported at four temperatures and pressures, with the critical curve measured up to a certain point. Experimental results were compared with literature data, and modeling with SRK and PR equations of state showed accurate prediction of the system's phase behavior.
FLUID PHASE EQUILIBRIA
(2021)
Article
Thermodynamics
Dan Vladimir Nichita
Summary: Beyond the conventional phase equilibrium calculations, the stability of phases at different specifications such as volume, temperature and moles (VTN) has become a topic of increasing interest. This study analyzes the convergence behavior of different numerical methods for VTN stability testing and proposes more robust and efficient calculation procedures. It also highlights the potential instability of the successive substitution method in VTN stability and suggests the cautious use of damped successive substitution in the early iteration stages.
FLUID PHASE EQUILIBRIA
(2023)
Article
Chemistry, Multidisciplinary
Dan Vladimir Nichita, Catinca Secuianu
Article
Energy & Fuels
Dan Vladimir Nichita, Daniel Broseta, Francois Montel
OIL & GAS SCIENCE AND TECHNOLOGY-REVUE D IFP ENERGIES NOUVELLES
(2019)