Articles with "heat sources" as a keyword



An Inverse Source Technique as a Preliminary Tool to Localize Persons in Indoor Spaces

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Published in 2025 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.70153

Abstract: This paper considers an inverse heat source localization problem with applications to indoor person localization from temperature measurements. In particular, this inverse problem consists in the reconstruction of the intensity and position of heat sources… read more here.

Keywords: source technique; heat; technique preliminary; source ... See more keywords
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Influence of Fill Point in Multiple-Heat-Sources Looped District Heating System with Distributed Variable-Speed Pumps

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Published in 2020 at "Journal of Thermal Science"

DOI: 10.1007/s11630-020-1307-1

Abstract: When regulating a pipe network according to user demand, hydraulic balance and power consumption are crucial factors for a multi-source looped-pipe network applying distributed variable-speed pumps compared to the conventional central circulating pump system. In… read more here.

Keywords: heat; distributed variable; heat sources; fill point ... See more keywords

Development and tests of a loop heat pipe with several separate heat sources

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Published in 2018 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2018.08.051

Abstract: Abstract The paper presents the results of development and experimental investigations of ammonia loop heat pipe (LHP) intended for a simultaneous cooling of several heat sources dissipating a variable capacity. The LHP was equipped with… read more here.

Keywords: heat sources; heat pipe; line; heat source ... See more keywords

Energy recovery from natural gas pressure reduction stations: Integration with low temperature heat sources

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Published in 2018 at "Energy Conversion and Management"

DOI: 10.1016/j.enconman.2017.12.084

Abstract: Abstract Energy recovery from Natural Gas (NG) distribution networks is a promising strategy in order to pursue energy sustainability in urban areas. The NG pressure reduction process, normally achieved by means of conventional throttling valves,… read more here.

Keywords: pressure reduction; heat sources; temperature; energy ... See more keywords

Techno-economic assessment of Joule-Brayton cycle architectures for heat to power conversion from high-grade heat sources using CO2 in the supercritical state

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Published in 2018 at "Energy"

DOI: 10.1016/j.energy.2018.02.005

Abstract: Abstract Bottoming thermodynamic power cycles using supercritical carbon dioxide (sCO2) are a promising technology to exploit high temperature waste heat sources. CO2 is a non-flammable and thermally stable compound, and due to its favourable thermophysical… read more here.

Keywords: heat sources; power; cycle; supercritical state ... See more keywords

Thermal spreading resistance of heat sources on rectangular flux channel under non-uniform convective cooling

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Published in 2019 at "International Journal of Thermal Sciences"

DOI: 10.1016/j.ijthermalsci.2019.105979

Abstract: Abstract A general solution, based on the method of separation of variables, for the temperature distribution of an orthotropic rectangular substrate heated by heat sources on one side and cooled with a non-uniform heat transfer… read more here.

Keywords: heat; heat sources; thermal spreading; non uniform ... See more keywords
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A novel method to detect hot spots and estimate strengths of discrete heat sources using liquid crystal thermography

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Published in 2020 at "International Journal of Thermal Sciences"

DOI: 10.1016/j.ijthermalsci.2020.106377

Abstract: Abstract This paper reports the results of an investigation to solve the inverse problem of estimating the strengths of different strip heat sources embedded in a flat plate under laminar steady-state forced convection and by… read more here.

Keywords: heat; forward model; liquid crystal; heat sources ... See more keywords

Gas mixing caused by interacting heat sources. Part ii: Modelling

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Published in 2020 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2020.110887

Abstract: Abstract The analyses of hypothetical accident scenario in various containment designs include the evaluation of the effectiveness of Passive Autocatalytic Recombiners (PARs), which are installed to mitigate the hydrogen risk, or are considered by utilities… read more here.

Keywords: mixing caused; heat sources; part; accident ... See more keywords

Experimental study of effects of different heat sources on the performance of the hybrid multiple-effect diffusion solar still

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Published in 2019 at "Solar Energy"

DOI: 10.1016/j.solener.2019.09.062

Abstract: Abstract This study proposes a hybrid multiple-effect diffusion solar still (HMED) operating with various heat sources, such as solar thermal energy, electric heater and waste heat. The performance characteristics of the HMED may differ with… read more here.

Keywords: heat sources; waste heat; multiple effect; effect ... See more keywords

Satellite-based detection and characterization of industrial heat sources in China.

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Published in 2019 at "Environmental science & technology"

DOI: 10.1021/acs.est.9b02643

Abstract: Despite their important contribution in the economic domain, active heat-releasing industrial plants have significant implications for human health and climate change. Apart from the negative impacts of greenhouse gases, the heat emissions from energy intensive… read more here.

Keywords: detection; heat sources; heat releasing; industrial heat ... See more keywords

Characterization of the acoustic pressure waveforms in Rijke tubes with spatially varying heat sources and temperature distributions

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Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0194337

Abstract: In this work, we implement an asymptotic expansion technique that leverages a small perturbation parameter that arises in the context of one-dimensional tubes with open-open end point configurations and spatially varying heat sources. This approach,… read more here.

Keywords: pressure; temperature; heat; heat source ... See more keywords