Mach Number Determination in a High-Enthalpy Supersonic Arc-Heated Plasma Wind Tunnel
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Aeronautical and Space Sciences"
DOI: 10.1007/s42405-018-0128-x
Abstract: In this experimental study, an intrinsic flow diagnostic technique involving a wedge probe is studied in a 0.4 MW class arc-jet plasma wind tunnel. The main objectives of this study are to determine the Mach number… read more here.
Keywords: mach number; wind tunnel; plasma wind; enthalpy ... See more keywords
Prediction of enthalpy for the gases Cl2, Br2, and gaseous BBr
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2019.01.001
Abstract: Abstract We report a new efficient analytical representation of the molar enthalpy for gaseous substances. The predicted molar enthalpy values are in good agreement with the experimental data in a wide temperature range for the… read more here.
Keywords: cl2 br2; gases cl2; enthalpy; gaseous bbr ... See more keywords
Nonconstant enthalpy of thermosetting solid-solid phase change materials controlled by light
Sign Up to like & getrecommendations! Published in 2020 at "Energy and Buildings"
DOI: 10.1016/j.enbuild.2020.109894
Abstract: Abstract Phase change materials (PCMs) based on the principle of latent heat thermal energy storage have been highly concerned by researchers and widely developed in various fields. However, for traditional PCMs, especially thermosetting solid-solid change… read more here.
Keywords: change materials; thermosetting solid; phase change; change ... See more keywords
Downhole measurement of enthalpy in geothermal wells – An analytical, experimental and numerical study
Sign Up to like & getrecommendations! Published in 2020 at "Geothermics"
DOI: 10.1016/j.geothermics.2020.101902
Abstract: Abstract The enthalpy of two-phase geothermal fluids is typically monitored at the surface to understand the performance of a geothermal field. Surface enthalpy, however, cannot reflect real reservoir conditions downhole because of the heat loss… read more here.
Keywords: feed zone; two phase; surface; geothermal wells ... See more keywords
Substitution of nickel in Mg2Ni and its hydride with elements from groups XIII and XIV: An ab initio study
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2021.02.011
Abstract: Abstract We have performed ab initio calculations with equilibrium supercells of the Mg2Ni compound and its hydride Mg2NiH4 doped with elements X = Al, Ga, In, Si, Ge and Sn. Two concentrations of X in both structures… read more here.
Keywords: substitution nickel; mg2ni hydride; hydrogen; enthalpy ... See more keywords
Influence of the convective energy formulation for melting problems with enthalpy methods
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2020.106477
Abstract: Abstract The simulation of melting phenomena in the frame work of continuum theory can be handled through many different approaches, among which the fixed-grid methods are the most common ones. Even though such methods have… read more here.
Keywords: convective energy; energy; influence convective; formulation ... See more keywords
Alkyl-imidazolium tetrafluoroborates: Vapor pressure, thermodynamics of vaporization, and enthalpies of formation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2017.07.094
Abstract: Abstract The absolute vapor pressures for the series of [Cnmim][BF4] ionic liquids with (n = 2, 4, 6, 8, and 10) were measured over the temperature range 404–457 K by using the quartz-crystal microbalance. An absence of possible… read more here.
Keywords: thermodynamics; vapor pressure; formation; enthalpy ... See more keywords
Enthalpy of formation and disordering temperature of transient monotropic liquid crystals of poly(butylene 2,6-naphthalate)
Sign Up to like & getrecommendations! Published in 2018 at "Polymer"
DOI: 10.1016/j.polymer.2018.10.037
Abstract: Abstract Melt-crystallization of poly(butylene 2,6-naphthalate) (PBN) at temperatures lower than about 160 °C follows Ostwald's rule of stages via intermediate formation of a smectic liquid crystalline phase (LC-phase). The transient LC-phase has been isolated by interruption… read more here.
Keywords: phase; temperature; butylene naphthalate; formation ... See more keywords
Wall Cooling Effect on High-Enthalpy Supersonic Modes over a Cone
Sign Up to like & getrecommendations! Published in 2021 at "AIAA Journal"
DOI: 10.2514/1.j060161
Abstract: High-enthalpy hypersonic boundary-layer transition plays an important role in many entry/descent vehicles. The aerothermodynamic performance of these vehicles strongly depends on the transition loc... read more here.
Keywords: high enthalpy; cooling effect; enthalpy supersonic; effect high ... See more keywords
Enthalpy of Mixing in Al-Tb Liquid
Sign Up to like & getrecommendations! Published in 2017 at "Entropy"
DOI: 10.3390/e19060290
Abstract: The liquid-phase enthalpy of mixing for Al–Tb alloys is measured for 3, 5, 8, 10, and 20 at% Tb at selected temperatures in the range from 1364 to 1439 K. Methods include isothermal solution calorimetry… read more here.
Keywords: enthalpy; enthalpy mixing; mixing liquid;
Numerical Analysis of Engine Exhaust Flow Parameters for Resolving Pre-Turbine Pulsating Flow Enthalpy and Exergy
Sign Up to like & getrecommendations! Published in 2021 at "Energies"
DOI: 10.3390/en14196183
Abstract: Energy carried by engine exhaust pulses is critical to the performance of a turbine or any other exhaust energy recovery system. Enthalpy and exergy are commonly used concepts to describe the energy transport by the… read more here.
Keywords: flow enthalpy; enthalpy exergy; enthalpy; flow parameters ... See more keywords