Heat flow
View article: On the Variability and Increasing Trends of Heat Waves over India
On the Variability and Increasing Trends of Heat Waves over India Open
Over India, heat waves occur during the summer months of April to June. A gridded daily temperature data set for the period, 1961–2013 has been analyzed to examine the variability and trends in heat waves over India. For identifying heat w…
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Analysis and Mapping of an Updated Terrestrial Heat Flow Data Set Open
The number of heat flow measurements at the Earth surface has significantly increased since the last global analysis (Pollack et al., 1993, https://doi.org/10.1029/93RG01249 ), and the most recent of them provide insights into key location…
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Thermally radioactive bioconvection flow of Carreau nanofluid with modified Cattaneo-Christov expressions and exponential space-based heat source Open
The nanoparticles proved a motivating research area in the fourth generation of the world due to their extensive use in science and infrastructure, such as vehicle cooling, higher heat transfer rates in microchips, food manufacturing, biot…
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Thermal Metamaterial: Fundamental, Application, and Outlook Open
Thermal metamaterials have amazing properties in heat transfer beyond naturally occurring materials owing to their well-designed artificial structures. The idea of thermal metamaterial has completely subverted the design of thermal functio…
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Increased impact of heat domes on 2021-like heat extremes in North America under global warming Open
During summer 2021, Western North America (WNA) experienced an unprecedented heatwave with record-breaking high temperatures associated with a strong anomalous high-pressure system, i.e., a heat dome. Here, we use a flow analog method and …
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Predicting Geothermal Heat Flow in Antarctica With a Machine Learning Approach Open
We present a machine learning approach to statistically derive geothermal heat flow (GHF) for Antarctica. The adopted approach estimates GHF from multiple geophysical and geological data sets, assuming that GHF is substantially related to …
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Enthalpy <i>vs.</i> friction: heat flow modelling of unexpected temperature profiles in mechanochemistry of metal–organic frameworks Open
Numerical simulations for precise temperature profiles of milling reactions revealed dominant contribution of frictional heating, while reaction enthalpy remained negligible.
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CALCULUS, HEAT FLOW AND CURVATURE-DIMENSION BOUNDS IN METRIC MEASURE SPACES Open
The theory of curvature-dimension bounds for nonsmooth spaces has several motivations: the study of functional and geometric inequalities in structures which arc very far from being Euclidean, therefore with new non-Riemannian tools, the d…
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Horizontal extent of the urban heat dome flow Open
Urban heat dome flow, which is also referred to as urban heat island circulation, is important for urban ventilation and pollutant transport between adjacent cities when the background wind is weak or absent. A “dome-shaped” profile can fo…
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Review article: Geothermal heat flow in Antarctica: current and future directions Open
Antarctic geothermal heat flow (GHF) affects the temperature of the ice sheet, determining its ability to slide and internally deform, as well as the behaviour of the continental crust. However, GHF remains poorly constrained, with few and…
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Electrically gated molecular thermal switch Open
Controlling heat flow is a key challenge for applications ranging from thermal management in electronics to energy systems, industrial processing, and thermal therapy. However, progress has generally been limited by slow response times and…
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Characterising thermal behaviour of buildings and its effect on urban heat island in tropical areas Open
The heat island phenomenon in major cities is partly due to the excessive use of concrete and brick, which causes many problems regarding thermal comfort and energy expenditure. The thermal behaviour of the envelope wall material depends o…
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Thermal conductivity of major rock types in western and central Anatolia regions, Turkey Open
Thermal conductivity is a key parameter in heat flow and geothermal investigations as it controls the temperature distribution within the Earth. Turkey has a significant geothermal potential yet rock thermal conductivity studies have been …
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Global thermal spring distribution and relationship to endogenous and exogenous factors Open
Here we present digitization and analysis of the thermal springs of the world dataset compiled by Gerald Ashley Waring in 1965 into a collection of analog maps. We obtain the geographic coordinates of ~6,000 geothermal spring areas, includ…
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KHA model comprising MoS<sub>4</sub>and CoFe<sub>2</sub>O<sub>3</sub>in engine oil invoking non-similar Darcy–Forchheimer flow with entropy and Cattaneo–Christov heat flux Open
The Newton building in-shooting technique (ND-solve method) was utilized for solution of nonlinear non-dimensional systems.
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THERMAL OSCILLATION ARISING IN A HEAT SHOCK OF A POROUS HIERARCHY AND ITS APPLICATION Open
A building or a bridge might collapse after a heat shock. This paper shows that a porous hierarchy of a coating can effectively prevent a building or a bridge from such damage. A cocoon’s geometrical structure is studied and its resistance…
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The parametric study of hybrid nanofluid flow with heat transition characteristics over a fluctuating spinning disk Open
The study explored the 3D numerical solution of an unsteady Ag-MgO /water hybrid nanofluid flow with mass and energy transmission generated by a wavy rotating disc moving up and down. The nanofluid is generated in the context of Ag-MgO nan…
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Estimating Non-Conductive Heat Flow Leading to Intra-Permafrost Talik Formation at the Ritigraben Rock Glacier (Western Swiss Alps) Open
Although non-conductive heat flow plays an important role in the evolution of rock glacier temperature and dynamics, few studies have quantified it. At the Ritigraben rock glacier (Switzerland), intra-permafrost talik formation was observe…
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Eye region surface temperature reflects both energy reserves and circulating glucocorticoids in a wild bird Open
Body temperature of endotherms shows substantial within- and between-individual variation, but the sources of this variation are not fully understood in wild animals. Variation in body temperature can indicate how individuals cope with the…
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Optimization of the wall thermal insulation characteristics based on the intermittent heating operation Open
The intermittent heating operation is used widely, but the heating behavior status is always ignored to simplify the energy conservation design in the present optimization of thermal insulation characteristics and then the heating equipmen…
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On steady heat flow problem involving Yang-Srivastava-Machado fractional derivative without singular kernel Open
In this article, we present a new application for the Yang-Srivastava-Machado fractional derivative without singular kernel to the steady heat flow problem. The Sumudu transform is used to find the analytical solution of the fractional-ord…
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Numerical investigation of heat source induced thermal slip effect on trihybrid nanofluid flow over a stretching surface Open
The fluid flow model is evaluated with the mass and energy transfer through the trihybrid nanofluid (Thnf) past a stretching permeable sheet. The proficiency of the nanofluid could be more effective, improved and stable by introducing nano…
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Effect of the insulation materials filling on the thermal performance of sintered hollow bricks Open
Wall insulation performance is an important factor affecting building energy consumption and indoor comfortable level. The common method to improve the wall insulation performance is to integrate the insulation layer into the built foundat…
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Spectrally Resolved Specular Reflections of Thermal Phonons from Atomically Rough Surfaces Open
The reflection of waves from rough surfaces is a fundamental process that plays a role in diverse fields such as optics, acoustics, and seismology. While a quantitative understanding of the reflection process has long been established for …
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Depth to the bottom of magnetic layer in South America and its relationship to Curie isotherm, Moho depth and seismicity behavior Open
We have estimated the DBML (depth to the bottom of the magnetic layer) in South America from the inversion of magnetic anomaly data extracted from the EMAG2 grid. The results show that the DBML values, interpreted as the Curie isotherm, va…
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Temperature and pressure corrections applied to rock thermal conductivity: impact on subsurface temperature prognosis and heat-flow determination in geothermal exploration Open
Precise knowledge of the subsurface thermal field plays a key role in the assessment of geothermal targets. Unfortunately, deep underground temperature data is generally scarce and a matter of research. To achieve first estimates for subsu…
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Thermal Conductivity of the Martian Soil at the InSight Landing Site From HP <sup>3</sup> Active Heating Experiments Open
The heat flow and physical properties package (HP 3 ) of the InSight Mars mission is an instrument package designed to determine the martian planetary heat flow. To this end, the package was designed to emplace sensors into the martian sub…
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The Cornubian geothermal province: heat production and flow in SW England: estimates from boreholes and airborne gamma-ray measurements Open
The Cornubian granite batholith provides one of the main high heat production and flow provinces within the UK. An extensive programme of borehole measurements was undertaken in the 1980’s to characterise the geothermal resource. Here we r…
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Thermal Properties of Hemp Shives Used as Insulation Material in Construction Industry Open
The article presents the results of studies concerning raw hemp shives obtained from the Polish crop of industrial hemp as a loose-fill thermal insulation material. The study focuses mainly on the measurements of the pore size distribution…
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Heat flux mapping of oxyacetylene flames and their use to characterise Cf-HfB<sub>2</sub>composites Open
Cost effective and fast ultra-high-temperature testing methods such as oxyacetylene torch testing are extremely useful for the rapid screening of ultra-high-temperature ceramic (UHTC) materials for hypersonic applications. There is no repo…