Results 21 to 30 of about 4,389,708 (314)

Measuring space radiation shielding effectiveness

open access: yesEPJ Web of Conferences, 2017
Passive radiation shielding is one strategy to mitigate the problem of space radiation exposure. While space vehicles are constructed largely of aluminum, polyethylene has been demonstrated to have superior shielding characteristics for both galactic ...
Bahadori Amir   +4 more
doaj   +1 more source

Effects of 3-D thermal radiation on the development of a shallow cumulus cloud field [PDF]

open access: yesAtmospheric Chemistry and Physics, 2017
We investigate the effects of thermal radiation on cloud development in large-eddy simulations (LESs) with the UCLA-LES model. We investigate single convective clouds (driven by a warm bubble) at 50 m horizontal resolution and a large cumulus cloud field
C. Klinger   +5 more
doaj   +1 more source

The Equivalent Thermal Conductivity of the Micro/Nano Scaled Periodic Cubic Frame Silver and Its Thermal Radiation Mechanism Analysis

open access: yesEnergies, 2021
Currently, there are few studies on the influence of microscale thermal radiation on the equivalent thermal conductivity of microscale porous metal. Therefore, this paper calculated the equivalent thermal conductivity of high-porosity periodic cubic ...
Haiyan Yu   +3 more
doaj   +1 more source

A Thermal Radiation Modulation Platform by Emissivity Engineering with Graded Metal–Insulator Transition

open access: yesAdvances in Materials, 2020
Thermal radiation from a black body increases with the fourth power of absolute temperature (T4), an effect known as the Stefan–Boltzmann law. Typical materials radiate heat at a portion of this limit, where the portion, called integrated emissivity ...
K. Tang   +10 more
semanticscholar   +1 more source

A Numerical Exploration of Modified Second-Grade Nanofluid with Motile Microorganisms, Thermal Radiation, and Wu's Slip

open access: yesSymmetry, 2020
This study is carried out to scrutinize the gyrotactic bioconvection effects on modified second-grade nanofluid with motile microorganisms and Wu’s slip (second-order slip) features. The activation energy and thermal radiation are also incorporated.
Yurong Li   +5 more
semanticscholar   +1 more source

Radiation-Induced Thermal Runaway Propagation in a Cylindrical Li-Ion Battery Pack: Non-Monotonicity, Chemical Kinetics, and Geometric Considerations

open access: yesApplied Sciences, 2023
Li-ion batteries play a key role in energy storage and conversion in engineering systems such as electric vehicles and grid energy storage, with critical impact on electrification and storage of renewable energy.
Liwen Zhang   +4 more
doaj   +1 more source

Flexible and Accurate Simulation of Radiation Cooling with FETD Method

open access: yesScientific Reports, 2018
Thermal management and simulation are becoming increasingly important in many areas of engineering applications. There are three cooling routes for thermal management, namely thermal conduction, thermal convection and thermal radiation, among which the ...
Huan Huan Zhang   +3 more
doaj   +1 more source

Reduction of temperature in silicon photovoltaic module using thermal radiation coating

open access: yesMATEC Web of Conferences, 2016
The temperature of solar cells increases under the actual operating conditions, and the conversion efficiency of solar cells decreases with increasing temperature.
Nakamura Satoshi, Nishioka Kensuke
doaj   +1 more source

Mitochondrial fatty acid oxidation is stimulated by red light irradiation

open access: yesFEBS Letters, EarlyView.
Light at different wavelengths has distinct effects on keratinocyte viability and metabolism. UVA light abrogates metabolic fluxes. Blue and green light have no effect on metabolic fluxes, while red light enhanced oxidative phosphorylation by promoting fatty acid oxidation. Keratinocytes are the primary constituents of sunlight‐exposed epidermis.
Manuel Alejandro Herrera   +4 more
wiley   +1 more source

Assessment of Natural Radioactivity and Radiological Hazards in Soil, Sorghum, and Water in Villy at the West Central Region of Burkina Faso

open access: yesApplied and Environmental Soil Science
This study presents investigation of the exposure levels and the resulting radiological effect of radiation of a natural radioactivity on a population of one village of Burkina Faso called Villy.
Christian Bangou   +5 more
doaj   +1 more source

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