Results 51 to 60 of about 321,840 (309)

Boost converter fed high performance BLDC drive for solar PV array powered air cooling system [PDF]

, 2017
This paper proposes the utilization of a DC-DC boost converter as a mediator between a Solar Photovoltaic (SPV) array and the Voltage Source Inverters (VSI) in an SPV array powered air cooling system to attain maximum efficiency.
Depuru, Shobha Rani, Mahankali, Muralidhar   +1 more
core   +2 more sources

Near‐Infrared Emitting Lanthanide Catecholate Giant Single Crystals – Morphology Control and Photon Down‐Conversion

Advanced Functional Materials, EarlyView.
Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr, Alexander Biewald, Andre Mähringer, Thaddäus J. Koller, Peter Mayer, Markus Döblinger, Achim Hartschuh, Dana D. Medina   +7 more
wiley   +1 more source

Effect of biochars on the immobilization and form of Cadmium (Cd) in simulated Cd deposition of iron rich soils

Ecotoxicology and Environmental Safety
Atmospheric deposition of Cd poses a serious threat to ecosystem security. Biochar is widely used for polluted soil remediation, however, whether biochar already applied to the soil can reduce the hazards of newly deposited Cd remains to be studied. Thus,
Xu Wang, Tong Wang, Yizong Huang, Anqi Liu, Qingyun Li, Yunfeng Wang, Ming Li, Fangling Fan, Zhenya Tang   +8 more
doaj   +1 more source

Experimental analysis of thermal storage tank configurationin a solar cooling installation with an absorption chiller [PDF]

, 2006
The use of air conditioning systems in Spanish dwellings is gaining popularity, as the installed units grows by 0,8 million per year. The most popular air conditioning system today is the vapor-compression cycle.
Izquierdo Millán, Marcelo, Lecuona Neumann, Antonio, Rodríguez Aumente, Pedro Acisclo, Salgado Mangual, Rafael A.   +3 more
core   +1 more source

Chandra observations of Abell 2199 [PDF]

, 2002
We present results from an analysis of two Chandra observations of the rich, nearby galaxy cluster Abell 2199. We find evidence (having corrected for projection effects) for radial gradients in temperature and metallicity in the X-ray emitting gas: the ...
A. C. Fabian, Allen, Allen, Anders, Arnaud, Burns, Carter, Di Matteo, Dickey, Dupke, Edge, Ettori, Fabian, Fabian, Fabian, Fabian, Fabian, Fabian, Fabian, Ge, Giovannini, J. S. Sanders, Kaastra, Kaastra, Kelson, Liedahl, McNamara, Moore, Morris, Navarro, Owen, Peres, Peterson, Protassov, R. M. Johnstone, S. W. Allen, Sanders, Sanders, Schmidt, Tamura   +39 more
core   +2 more sources

Composites of Shellac and Silver Nanowires as Flexible, Biobased, and Corrosion‐Resistant Transparent Conductive Electrodes

Advanced Functional Materials, EarlyView.
Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein, Tiago Carneiro Gomes, Eliza Ng, Simon Rondeau‐Gagné, Tricia Breen Carmichael   +4 more
wiley   +1 more source

Cool Kitchen: Processing Starch and Eggshell Powder into Sustainable Coatings for Passive Daytime Cooling

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, Evelyn Kubacki, Alexander Berger, Markus Retsch   +3 more
wiley   +1 more source

From Single Atoms to Nanoparticles: Pathways Toward Efficient and Durable Pt/TiO2 Photocatalysts

Advanced Functional Materials, EarlyView.
Platinum single atoms on TiO2 nanosheets evolve into clusters and nanoparticles under ethanol photoreforming and thermal treatments. By controlling deposition and post‐treatments, particle size and location on specific facets are modulated. The study reveals how stability pathways determine efficiency, guiding the design of more durable photocatalysts.
Juan José Delgado, Enqi Bu, Yaning Han, Carlos López‐Cartes, Mónica Calatayud, Huiyan Pan, Xiaowei Chen   +6 more
wiley   +1 more source

Simulation and economic analysis of solar cooling for building in tropical climate of Surabaya, Indonesia

SHS Web of Conferences, 2018
The possibility of solar cooling technologies is simulated and discussed in this work. Cooling system application for a six-floor university building in Surabaya Indonesia was taken as a case study.
Tarigan Elieser
doaj   +1 more source

Measuring Feedback in Damped Lyman Alpha Systems

, 2001
We measure feedback (heating rates) in damped Lyman alpha systems from the cooling rate of the neutral gas. Since cooling occurs through [C II] 158 micron emission, we infer cooling from C II^{*} 1335.7 absorption lines detected with HIRES on the Keck I ...
Wolfe, Arthur M.
core   +1 more source