Results 21 to 30 of about 26,631 (263)

Achieving Energy Performance in Buildings Using Natural Ventilation as Passive Cooling Technique [PDF]

open access: yesPort Said Engineering Research Journal, 2017
In the present time, scrupulous use of energy is a challenge for the world population especially in Egypt. This period, Egypt is attesting creation new communities and our needs for energy will increasing, so we need a new way to design this communities ...
Mostafa El-Ahwal   +2 more
doaj   +1 more source

Efficiency of Passive Utilization of Ground “Cold” in Adaptive Geothermal Heat Pump Heating and Cooling Systems (AGHCS)

open access: yesMATEC Web of Conferences, 2016
This article deals with estimating a potential and efficiency of utilization of passive ground “cold” for cooling buildings in climatic conditions of Moscow (Russia). The article presents results of numerical analysis to assess the efficiency of reducing
Vasilyev G.P.   +4 more
doaj   +1 more source

Passive Cooling Load Ratio method [PDF]

open access: yesEnergy and Buildings, 2013
Abstract The method Passive Cooling Load Ratio (PCLR) is an innovative simplified method which calculates the monthly cooling energy needs of a thermal zone where passive cooling systems are installed using the variables: cooling energy load and passive cooling potential.
Nunes, Ana I. F., Panão, Marta Oliveira
openaire   +2 more sources

A macroscopic object passively cooled into its quantum ground state of motion beyond single-mode cooling

open access: yesNature Communications, 2021
Compared to active techniques, passive cooling of mechanical modes allows to work with devices in equilibrium with their environment without excess damping. Here, the authors demonstrate passive cooling and thermalisation of a 15 μm drum-head device with 
D. Cattiaux   +10 more
doaj   +1 more source

The Effect of Heat Sink Properties on Solar Cell Cooling Systems

open access: yesApplied Sciences, 2020
High energy demand is leading to the replacement of fossil energy with renewable sources such as solar energy. Solar cells are devices used to generate solar energy.
Zainal Arifin   +5 more
doaj   +1 more source

Feasibility and safety of passive cooling in a cohort of asphyxiated newborn infants

open access: yesSwiss Medical Weekly, 2013
OBJECTIVE: Therapeutic hypothermia has become a standard neuroprotective treatment in term newborn infants following perinatal asphyxia. Active cooling with whole body surface or head cooling is complex, expensive and often associated with initial ...
Karin Daetwyler   +3 more
doaj   +1 more source

Thermal and energy efficiency study of passive heating and cooling systems in Morocco's cold desert climate

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
This research aims to showcase the imperative of integrating passive cooling and heating techniques within buildings to effectively decrease energy consumption. To accomplish this objective, numerical simulations were conducted on a representative double-
Ali Lamrani Alaoui   +8 more
doaj   +1 more source

STEADY-STATE HEAT REJECTION RATES FOR A COAXIAL BOREHOLE HEAT EXCHANGER DURING PASSIVE AND ACTIVE COOLING DETERMINED WITH THE NOVEL STEP THERMAL RESPONSE TEST METHOD

open access: yesRudarsko-geološko-naftni Zbornik, 2018
At three locations in Zagreb, classical and extended thermal response test (TRT) was conducted on installed coaxial heat exchangers. With classic TR test, thermogeological properties of the ground and thermal resistance of the borehole were determined at
Tomislav Kurevija   +2 more
doaj   +1 more source

Sustainable passive cooling strategy for PV module: A comparative analysis

open access: yesCase Studies in Thermal Engineering, 2021
This paper presents the experimental studies of different passive cooling techniques to analyze the electrical power improvement and temperature reduction of a 50 W polycrystalline PV module. Plant cooling, greenhouse cooling, greenhouse + plant cooling,
Ramkiran B, Sundarabalan CK, K. Sudhakar
doaj   +1 more source

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

open access: yesFEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli   +8 more
wiley   +1 more source

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