Isochoric process ≈ Isochoric process
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Experimental observation of the liquid-liquid transition in bulk supercooled water under pressure Open
Liquid-liquid transitions under pressure Theoretical simulations suggest that deeply supercooled water undergoes a transition between high- and low-density forms, but this transition is difficult to study experimentally because it occurs u…
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Inflatable soft jumper inspired by shell snapping Open
Isochoric snapping of elastomeric spherical caps enables fast actuation in fluidic soft robots.
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Thermophysical Properties of the Lennard-Jones Fluid: Database and Data Assessment Open
Literature data on the thermophysical properties of the Lennard-Jones fluid, which were sampled with molecular dynamics and Monte Carlo simulations, were reviewed and assessed. The literature data were complemented by simulation data from …
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Nonadiabatic single-qubit quantum Otto engine Open
According to Clausius formulation of the second law of thermodynamics, for any thermal machine withdrawing heats $Q_{1,2}$ from two heat reservoirs at temperatures $T_{1,2}$, it holds $Q_1/T_1+Q_2/T_2 \leq 0$. Combined with the observation…
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An interaction-driven many-particle quantum heat engine and its universal behavior Open
A quantum heat engine (QHE) based on the interaction driving of a many-particle working medium is introduced. The cycle alternates isochoric heating and cooling strokes with both interaction-driven processes that are simultaneously isochor…
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Connecting high-temperature and low-temperature protein stability and aggregation Open
Protein aggregation is a long-standing problem for preservation of proteins in both laboratory settings and for commercial biotechnology products. It is well established that heating (cooling) can accelerate (slow) aggregation by populatin…
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Experimental Evaluation of a Novel Thermodynamic Inhibitor for CH4 and CO2 Hydrates Open
In natural gas transmission and processing, gas hydrate formation is a major flow assurance challenge which led scientists towards conducting new and more detailed studies on different aspects of gas hydrates inhibitors. Ionic liquids (IL)…
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Isobaric and Isochoric Heat Capacities of Imidazolium-Based and Pyrrolidinium-Based Ionic Liquids as a Function of Temperature: Modeling of Isobaric Heat Capacity Open
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Thermoresponsive Toughening in LCST-Type Hydrogels with Opposite Topology: From Structure to Fracture Properties Open
The challenge of this work was to investigate the role of topology in LCST hydrogels that strongly and reversibly thermo-reinforce their mechanical strength under isochoric conditions. To achieve this, two different hydrogels with opposite…
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Synergic Kinetic Inhibition Effect of EMIM-Cl + PVP on CO2 Hydrate Formation Open
Kinetic hydrate inhibitors (KHIs) are employed to mitigate gas hydrate formation in pipelines at low concentrations. Ionic liquids and conventional available KHIs (polymers) perform poorly at high subcooling and extended shut-in conditions…
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Freezing water at constant volume and under confinement Open
Water expands upon freezing. What happens when water is cooled below 0 °C in an undeformable, constant-volume container? This is a fundamental question in materials thermodynamics, and is also relevant in biological, geological, and techno…
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THERMOPHYSICAL PROPERTIES OF 1-BUTYL-3-METHYLIMIDAZOLIUM BIS(TRIFLUOROMETHYLSULFONYL)IMIDE AT HIGH TEMPERATURES AND PRESSURES Open
Pressure-density-temperature (p, ρ ,T) data of the ionic liquid 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [BMIM][NTF2] at T = (273.15 to 413.15) K and pressures up to p =140 MPa are reported with an estimated experiment…
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Non-isobaric Thermal Instability Open
Multiphase media have very complex structure and evolution. Accurate numerical simulations are necessary to make advances in our understanding of this rich physics. Because simulations can capture both the linear and nonlinear evolution of…
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Unified one-dimensional finite element for the analysis of hyperelastic soft materials and structures Open
Based on the Carrera unified formulation (CUF) and first-invariant hyperelasticity, this work proposes a displacement-based high order one-dimensional (1 D) finite element model for the geometrical and physical nonlinear analysis of isotro…
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Accurate prediction of heat conductivity of water by a neuroevolution potential Open
We propose an approach that can accurately predict the heat conductivity of liquid water. On the one hand, we develop an accurate machine-learned potential based on the neuroevolution-potential approach that can achieve quantum-mechanical …
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A comparison of freezing-damage during isochoric and isobaric freezing of the potato Open
Background Freezing is commonly used for food preservation. It is usually done under constant atmospheric pressure (isobaric). While extending the life of the produce, isobaric freezing has detrimental effects. It causes loss of food weigh…
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Microscopic Theory for the Role of Attractive Forces in the Dynamics of Supercooled Liquids Open
We formulate a microscopic, no adjustable parameter, theory of activated relaxation in supercooled liquids directly in terms of the repulsive and attractive forces within the framework of pair correlations. Under isochoric conditions, attr…
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Petapascal Pressure Driven by Fast Isochoric Heating with a Multipicosecond Intense Laser Pulse Open
Fast isochoric laser heating is a scheme to heat matter with a relativistic intensity (>10^{18} W/cm^{2}) laser pulse for producing an ultrahigh-energy-density (UHED) state. We have demonstrated an efficient fast isochoric heating of a com…
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Accurate quantum-corrected cubic equations of state for helium, neon, hydrogen, deuterium and their mixtures Open
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Thermodynamic scaling of vibrational dynamics and relaxation Open
We investigate by thorough molecular dynamics simulations the thermodynamic scaling (TS) of a polymer melt. Two distinct models, with strong and weak virial-energy correlations, are considered. Both evidence the joint TS with the same char…
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Detailed model for hot-dense aluminum plasmas generated by an x-ray free electron laser Open
The possibility of creating hot-dense plasma samples by isochoric heating of solid targets with high-intensity femtosecond X-ray lasers has opened up new opportunities in the experimental study of such systems. A study of the X-ray spectra…
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A Simple Method of Finding New Dry and Isentropic Working Fluids for Organic Rankine Cycle Open
One of the most crucial challenges of sustainable development is the use of low-temperature heat sources (60–200 °C), such as thermal solar, geothermal, biomass, or waste heat, for electricity production. Since conventional water-based the…
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Evolution of granular materials under isochoric cyclic simple shearing Open
By means of 3D particle dynamics simulations, we analyze the microstructure of granular materials subjected to isochoric (constant volume) cyclic shearing, which drives the system towards a liquefaction state characterized by loops of jamm…
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Two coupled double quantum-dot systems as a working substance for heat machines Open
This paper presents a conceptual design for quantum heat machines using a pair of coupled double quantum dots (DQDs), each DQD with an excess electron to interact, as an working substance. We define a compression ratio as the ratio between…
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Finite-time performance of a single-ion quantum Otto engine Open
We study how a quantum heat engine based on a single trapped ion performs in finite time. The always-on thermal environment acts like the hot bath, while the motional degree of freedom of the ion plays the role of the effective cold bath. …
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Shatter or not: role of temperature and metallicity in the evolution of thermal instability Open
We test how metallicity variation (a background gradient and fluctuations) affects the physics of local thermal instability using analytical calculations and idealized, high-resolution 1D hydrodynamic simulations. Although the cooling func…
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A 10-node composite tetrahedral finite element for solid mechanics Open
We present a reformulation of the composite tetrahedral finite element first introduced by Thoutireddy et al. By choosing a different numerical integration scheme, we obtain an element that is more accurate than the one proposed in the ori…
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Kinetics of Mixed Amino Acid and Ionic Liquid on CO<sub>2</sub> Hydrate Formation Open
The formation of gas hydrate in oil and gas and carbon dioxide sequestration processing pipelines is unwanted and must be prevented for easy and safety processes. However, conventional kinetic hydrate inhibitors are less effective and thus…
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Pressure in isochoric systems containing aqueous solutions at subzero Centigrade temperatures Open
The data obtained in this study can be used to aid in the design of isochoric cryopreservation protocols. The results suggest that the pressure measurement is important in the design of "constant volume" systems and can provide a simple me…
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Structural Manipulation of Phase Transitions by Self‐Induced Strain in Geometrically Confined Thin Films Open
Strain engineering is a well‐known method often used to tune material properties in thin films. The most studied sources of strain are lattice mismatch and differential thermal contraction between the substrate and film. However, in materi…