Search results for "Thermal management of electronic devices and systems"

showing 4 items of 4 documents

Batteries for Aerospace: A Brief Review

2018

This paper presents a brief overview on batteries for aerospace application. In particular, More Electric Aircraft (MEA) and All Electric Aircraft (AEA) concepts are introduced at first, together with their main advantages and drawbacks. Subsequently, opportunities and issues related to the employment of batteries on aircrafts are presented and briefly discussed. Reference is then made to aircraft power system architectures and battery technologies, as well as on the state-of-the-art of battery management systems, state-of-charge and state-of-health estimations, and thermal management.

Battery (electricity)All electric aircraftEngineeringControl and Optimization020209 energyEnergy Engineering and Power TechnologyComputerApplications_COMPUTERSINOTHERSYSTEMS02 engineering and technologyThermal management of electronic devices and systemsSettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciAutomotive engineeringBatterieBattery management systemsElectric power systemHardware_GENERALAdaptive system0202 electrical engineering electronic engineering information engineeringState-of-charge estimationState-of-health estimationAerospaceAerospaceBattery management systembusiness.industry021001 nanoscience & nanotechnologyMore electric aircraftComputer Networks and CommunicationAerospace electronicsElectric aircraft0210 nano-technologybusiness
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Metabolic Status and Reaction to Heat of Normal and Tumor Tissue

1995

The occurrence of differential heating and differential thermal sensitivity between malignant tumors and normal tissues is thought to be due to limited heat dissipation and energy depletion in many solid tumors which in turn results from an inadequately functioning tumor microcirculation (Jain and Ward-Hartley 1984; Song 1984, 1991; Vaupel and Kallinowski 1987; Reinhold 1988; Vaupel et al. 1988a; Vaupel 1990). As a consequence of the latter pathophysiological condition, supply and drainage function are restricted in many solid tumors or, at least, in some tumor areas, thus creating a hostile metabolic microenvironment characterized by tissue hypoxia, acidosis, and energy depletion. Thermal …

ChemistrymedicineCancer researchNormal tissueTissue hypoxiaFunctioning tumorThermal management of electronic devices and systemsmedicine.symptomTumor tissuePerfusionAcidosisMicrocirculation
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Layered gadolinium hydroxides for low-temperature magnetic cooling

2015

Layered gadolinium hydroxides have revealed to be excellent candidates for cryogenic magnetic refrigeration. These materials behave as pure 2D magnetic systems with a Heisenberg-Ising critical crossover, induced by dipolar interactions. This 2D character and the possibility offered by these materials to be delaminated open the possibility of rapid heat dissipation upon substrate deposition.

Materials scienceGadoliniumMetals and Alloyschemistry.chemical_elementNanotechnologyGeneral ChemistrySubstrate (electronics)Thermal management of electronic devices and systems7. Clean energyCatalysisSurfaces Coatings and FilmsElectronic Optical and Magnetic MaterialsChemistryDipoleChemical engineeringchemistryMaterials ChemistryCeramics and CompositesMagnetic refrigerationDeposition (phase transition)Chemical Communications
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Q -switched and modelocked all-fiber lasers based on advanced acousto-optic devices

2011

The interest in all-fiber lasers is stimulated by the inherent advantages they have over bulk lasers in aspects such as heat dissipation and robustness. The performance of Q-switched and modelocked fiber lasers can benefit enormously from the development of all-fiber configurations. A fiber laser with strictly all-fiber components can fulfil the requirements of mechanical stability, low maintenance, enhanced power efficiency, simplified assembly process, and low cost. In this framework, recent developments infiber acousto-optic devices are reviewed that have demonstrated new possibilities for actively Q-switched distributed feedback fiber lasers, modelocking lasers and doubly active Q-switc…

Materials sciencebusiness.industryThermal management of electronic devices and systemsCondensed Matter PhysicsLaserQ-switchingAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic Materialslaw.inventionAll fiberlawRobustness (computer science)Fiber laserOptoelectronicsA fibersbusinessElectrical efficiencyLaser & Photonics Reviews
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