Results 1 to 10 of about 21,435 (170)

High-Pressure Thermophysical Properties of Eight Paraffinic, Naphthenic, Polyalphaolefin and Ester Base Oils

open access: yesLubricants, 2023
In this work, the thermophysical properties of four mineral (paraffinic and naphthenic) and four synthetic (polyalphaolefin and ester) base oils are measured.
Antía Villamayor   +7 more
doaj   +1 more source

Calcification in free-living coralline algae is strongly influenced by morphology: Implications for susceptibility to ocean acidification

open access: yesScientific Reports, 2021
Rhodolith beds built by free-living coralline algae are important ecosystems for marine biodiversity and carbonate production. Yet, our mechanistic understanding regarding rhodolith physiology and its drivers is still limited.
Nadine Schubert   +8 more
doaj   +1 more source

Classification and quantification of pore shapes in sandstone reservoir rocks with 3-D X-ray micro-computed tomography [PDF]

open access: yesSolid Earth, 2016
Recent years have seen a growing interest in the characterization of the pore morphologies of reservoir rocks and how the spatial organization of pore traits affects the macro behavior of rock–fluid systems.
M. Schmitt   +3 more
doaj   +1 more source

Effect of Wheat Straw Biochar on Thermophysical Properties of Loessial Soil [PDF]

open access: yesNature Environment and Pollution Technology, 2021
Soil thermophysical properties are the key factors affecting the internal heat balance of soil. In this paper, biochars (BC300, BC500 and BC700) were produced with wheat straw at the temperatures of 300, 500 and 700°, respectively. The effects of biochar
B. W. Zhao, Y. Zhao, H. Liu, Y. Q. Li, K. X. Duan and X. Zhang
doaj   +1 more source

Effect of catalyst support layers on emissivity of carbon nanotubes grown via floating catalyst chemical vapor deposition

open access: yesMeasurement: Sensors, 2022
We propose an efficient method of growing carbon nanotube (CNT) arrays on a variety of metals using chemical vapor deposition (CVD) assisted by a simple surface treatment of the substrate materials.
Sohei Shibuki   +2 more
doaj   +1 more source

Modeling the Impact of the Soluble Solids Content and Temperature on the Thermophysical Properties of Lime Juice (Mexican Lime) [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2023
It is necessary to determine the thermophysical properties of the various types of agricultural products in order to control thermal operations, as well as processes such as drying, freezing, cooling, and pasteurization.
Niloofar Goodarzi   +3 more
doaj   +1 more source

Impact of Temperature and Nanoparticle Concentration on Turbulent Forced Convective Heat Transfer of Nanofluids

open access: yesEnergies, 2022
Theoretical analysis of the influence of nanoparticles and temperature on the average Nusselt (Nu) number and the average heat transfer coefficient (HTC) during the turbulent flow of nanofluid in a horizontal, round tube was carried out. The Nu number is
Janusz T. Cieśliński   +2 more
doaj   +1 more source

Study on the Thermophysical Properties and Influencing Factors of Regional Surface Shallow Rock and Soil in China

open access: yesFrontiers in Earth Science, 2022
Thermophysical properties of rock and soil are important parameters that affect the efficiency of shallow geothermal energy utilization. This paper analyzes the thermophysical parameters (specific heat capacity and thermal conductivity) and their ...
Xi Zhu   +8 more
doaj   +1 more source

Data-measuring device to determine the thermophysical properties of polymer composites: information support part [PDF]

open access: yesE3S Web of Conferences, 2023
This paper deals with the problem of developing an information support subsystem of the data-measuring device for determining the thermophysical properties of polymer composites during cure, designed to identify the parameters of a mathematical model ...
Dmitriev Oleg   +2 more
doaj   +1 more source

Influence of Nanoparticles on Thermophysical Properties of Hybrid Nanofluids of Different Volume Fractions

open access: yesNanomaterials, 2022
Nanofluids are frequently employed in numerous heat transfer applications due to their improved thermophysical properties compared to a base fluid. By selecting suitable combinations of nanoparticles, hybrid nanofluids can have better thermophysical ...
Mohd Zulkifly Abdullah   +5 more
doaj   +1 more source

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