Magnetic induction heating of planetary satellites: Analytical formulae and applications

Chyba, Christopher F.; Hand, K. P.; Thomas, Paul J.

doi:10.1016/j.icarus.2021.114360

Cited by 7 publications

(2 citation statements)

References 30 publications

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“… 55 Long-lived radiogenic and tidal heating was thought to be negligible for Amalthea 56 as well as magnetic induction heating. 57 Thus, the only possible explanation for the observed pyroxene/olivine bands is an initial entrainment during its formation, maybe heated due to short-lived radiogenic elements, which soon exhausted according to the known 58 half-life of 26 Al for example. This means that the internal heat of Amalthea may have ceased 7.05 × 10 5 years ± 3.4% after calcium - aluminum inclusions (CAI).…”

Section: Igneous Processes In Small Satellites Of the Solar Systemmentioning

confidence: 99%

Igneous processes in the small bodies of the Solar System II: Small satellites and dwarf planets

Leone,

Tanaka

2024

iScience

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Section: Igneous Processes In Small Satellites Of the Solar Systemmentioning

confidence: 99%

Igneous processes in the small bodies of the Solar System II: Small satellites and dwarf planets

Leone,

Tanaka

2024

iScience

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“…The induction heating equipments are being extensively used in many industrial and domestic fields [1][2][3]. The IH principles are useful in domestic cooking purposes as it has more advantages over the conventional methods [4][5]. Induction heating equipment also attenuates the injection of current harmonics with the help of interface filters [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Implementation of Boost PFC in the Induction Heating System for EMI–RFI Suppression

Raman

Baruah

Dey

et al. 2021

HighTech. Innov. J.

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The present work deals with the design and performance analysis of high frequency resonant inverter based Induction Heating (IH) System employing Boost Power Factor Correction (PFC) technique to overcome the problems due to EMI and RFI. Most of the existing techniques use passive filters for harmonics attenuation that fails to meet the present day requirement because of drawbacks like considerably high THD, poor dynamic performance, etc. This paper presents a new control approach for boost PFC based on inner and outer loops to eliminate the problems due to harmonics in the IH system. The equivalent circuit parameter model of the IH system has been used to analyze the presence of harmonics and the incorporation of boost PFC at the input of the system shows its elimination as per the stringent EMI-RFI regulations. Moreover, attention has been paid off to the design algorithm of the boost PFC and a detailed mathematical analysis has been done to outline an approach for its parameter selection. A comparative analysis of the IH system with and without the incorporation of the boost PFC has been done in terms of the THD in the input current waveform. The findings of the present work show that the incorporation of Boost PFC eliminates the harmonics in the IH system in a better manner than the existing techniques. Doi: 10.28991/HIJ-2021-02-02-05 Full Text: PDF

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Unravelling the Electrical Conductivity of Earth and Planets

Grayver

2024

Surv Geophys

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This review presents the progress made in the last decade in the field of large-scale electromagnetic (EM) induction with natural sources, which fluctuate at periods from seconds to years and originate in oceans, ionosphere and magnetosphere. These mechanisms produce field variations that can be used to image subsurface electrical structure of Earth and planets across scales and depths from the shallow crust to the lower mantle. In the last decade, we have seen a substantial progress made in different areas related to methods, observations and 3-D numerical modelling of EM phenomena at crustal and mantle scales. Specifically, new methods for handling complex ionospheric and magnetospheric sources were proposed, accompanied by more efficient forward and inverse modelling tools that allowed us to combine several broadband sources and constrain electrical conductivity on multiple scales simultaneously. Magnetic signals due to oceanic tides were established as a new source to probe conductivity of the sub-oceanic upper mantle. Further, the launch of ESA Swarm satellites in 2013 and their successful ongoing operation have marked a new era in the field of large-scale EM induction, unlocking a set of new opportunities, but also posing new challenges. These developments were backed by new lab measurements of electrical conductivity for mantle minerals at temperatures and pressures that are getting closer to the relevant pressure and temperature conditions in the mantle, alleviating the need for inaccurate extrapolations. The latter enabled more plausible quantitative estimates of water content, melt fractions and temperature in the mantle. In parallel, crust and mantle conductivity models along with developed modelling techniques have become an integral part of geomagnetic field and geomagnetically induced currents (GICs) modelling workflows, establishing new inter-disciplinary knowledge domains.

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Magnetic induction heating of planetary satellites: Analytical formulae and applications

Cited by 7 publications

References 30 publications

Igneous processes in the small bodies of the Solar System II: Small satellites and dwarf planets

Igneous processes in the small bodies of the Solar System II: Small satellites and dwarf planets

Implementation of Boost PFC in the Induction Heating System for EMI–RFI Suppression

Unravelling the Electrical Conductivity of Earth and Planets

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