Results 41 to 50 of about 17,532 (305)
Advanced Functional Materials, EarlyView.A food‐grade cooling composite made from starch and recycled eggshell powder offers a scalable, ultra‐low‐cost solution for passive daytime radiative cooling. Easily prepared using basic kitchen tools, this material empowers communities, even in areas with limited infrastructure, to stay cooler during worsening summer heat waves.
Qimeng Song +3 more
wiley +1 more source
High VoltageTraditional mineral oil has long served as a liquid insulating medium in power transformers. However, its low fire resistance, poor biodegradability and dependence on finite fossil fuel resources, along with its low flash point, contribute to transformer
Ao Zhan +4 more
doaj +1 more source
Development of Mixed Insulation Oil as Alternative Liquid Dielectric: A Review
CSEE Journal of Power and Energy SystemsUse of traditional mineral oil (MO) as a liquid insulation in transformers has spanned more than 130 years. However, MO has poor heat resistance, a low ignition point, and is a non-renewable resource, which does not meet development requirements for high-
Jian Hao +4 more
doaj +1 more source
Research and Development of Natural Vegetable Insulating Oil Based on Jatropha curcas Seed Oil
Energies, 2020 Jatropha curcas is a natural non-food resource with high oil-content seeds, that has attracted worldwide attention as it is an ideal renewable resource for the production of biofuels.
Jun Wu, Junhui Zhang
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The influence of magnetite nano particles on the behavior of insulating oils for pulse power applications [PDF]
, 2011 The effects of the addition of magnetite nanoparticles on the breakdown strength of three insulating liquids have been examined. The liquids considered are: a mineral transformer oil; a synthetic ester liquid, Midel 7131, and a specialist high ...
Given, M +6 more
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Advanced Functional Materials, EarlyView.This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari +4 more
wiley +1 more source
Applied SciencesPetroleum-based insulating liquids have traditionally been used in the electrical industry for cooling and insulation. However, their environmental drawbacks, such as non-biodegradability and ecological risks, have led to increasing regulatory ...
Samson Okikiola Oparanti +3 more
doaj +1 more source
THERMOCHEMICAL STABILITY OF INSULATING OILS [PDF]
Journal of Sustainable Energy, 2015 The widespread use of insulating oils (transformer oils) having mineral origin, because of their toxic organic substances and xenobiotic, poses a serious risk to the environment. Synthetic ester oils, although limited risk to the environment, its use
LINGVAY I., RADU E., UDREA O.
doaj
Sensors, 2023 Mineral oil (MO) is the most popular insulating liquid that is used as an insulating and cooling medium in electrical power transformers. Indeed, for green energy and environmental protection requirements, many researchers introduced other oil types to ...
Hesham S. Karaman +3 more
doaj +1 more source
Geography and intra-national home bias : U.S. domestic trade in 1949 and 2007 [PDF]
, 2013 This paper examines home bias in U.S. domestic trade in 1949 and 2007. We use a unique data set of 1949 carload waybill statistics produced by the Interstate Commerce Commission, and 2007 Commodity Flow Survey data.
Crafts, N. F. R., Klein, Alexander
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