Results 1 to 10 of about 267,332 (193)

Market Survey of Modern Oral Nicotine Products: Determination of Select HPHCs and Comparison to Traditional Smokeless Tobacco Products

open access: yesSeparations, 2022
In an effort to combat the risks associated with traditional tobacco products, tobacco product innovation has been redirected towards reducing the consumer’s potential exposure to harmful or potentially harmful constituents (HPHCs).
Joseph J. Jablonski   +2 more
doaj   +1 more source

An open carbon–phenolic ablator for scientific exploration

open access: yesScientific Reports, 2023
Space exploration missions rely on ablative heat shields for the thermal protection of spacecraft during atmospheric entry flights. While dedicated research is needed for future missions, the scientific community has limited access to ablative materials ...
Erik Poloni   +10 more
doaj   +1 more source

Novel heat flux controlled surface cooling for hypersonic flight

open access: yesScientific Reports, 2023
This paper presents a new method in theory and experiment to adjust the transpiration cooling based on the actual measured heat flux. This is particularly useful in extreme heating environments, e.g.
Fabian Hufgard   +3 more
doaj   +1 more source

Enthalpy arrays [PDF]

open access: yesProceedings of the National Academy of Sciences, 2004
We report the fabrication of enthalpy arrays and their use to detect molecular interactions, including protein–ligand binding, enzymatic turnover, and mitochondrial respiration. Enthalpy arrays provide a universal assay methodology with no need for specific assay development such as fluorescent labeling or immobilization of reagents, which can ...
Francisco E, Torres   +16 more
openaire   +2 more sources

Investigation of nozzle flow in high altitude test facility

open access: yesAdvances in Mechanical Engineering, 2022
A high altitude test facility was developed for the experimental studies on nozzles for various levels of vacuum. The current study is focused on the performance of the nozzle under various altitude condition and to characterized the high altitude test ...
Kavin Prashana ANL   +2 more
doaj   +1 more source

Efficiency of Using the Auxiliary Boiler for Peak Power Generation by a Steam Turbine of NPP

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2021
The article presents the technique of an estimation of efficiency of use of potential heat output of an auxiliary boiler (AB) to improve electric capacity and manoeuvrability of a steam turbine unit of a power unit of a nuclear power plant (NPP) equipped
V. A. Khrustalev, M. V. Garievskii
doaj   +1 more source

Calculation of thermodynamic parameters of metals

open access: yesЛитьë и металлургия, 2021
Method of calculation of thermodynamic parameters of metals has been developed. Based on the thermodynamic parameters of the metals, it is shown that the Gibbs molar volumetric energy has a negative value.
E. I. Marukovich   +2 more
doaj   +1 more source

Impact of Thermal Fluctuations on Logarithmic Corrected Massive Gravity Charged Black Hole

open access: yesEntropy, 2021
We investigate the influence of the first-order correction of entropy caused by thermal quantum fluctuations on the thermodynamics of a logarithmic corrected charged black hole in massive gravity.
Abdul Jawad   +2 more
doaj   +1 more source

Nonlinear enthalpy transformation for transient convective phase change in Smoothed Particle Hydrodynamics (SPH)

open access: yes, 2022
A three-dimensional model is presented for the prediction of solidification behavior using a nonlinear transformation of the enthalpy equation in a Smoothed Particle Hydrodynamics (SPH) discretization.
Bussmann, Markus   +2 more
core   +1 more source

On the computation of moist-air specific thermal enthalpy [PDF]

open access: yes, 2014
The specific thermal enthalpy of a moist-air parcel is defined analytically following a method in which specific moist entropy is derived from the Third Law of thermodynamics.
Ambaum   +48 more
core   +3 more sources

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