Results 11 to 20 of about 1,369,127 (302)

Thermal performance analysis of a poly c-Si PV module under semi-arid conditions

open access: yesMaterials Science for Energy Technologies, 2022
The performance of the photovoltaic (PV) module decreases as the PV module temperature increases. To improve the electrical performance, the PV module must be cooled by removing heat in some way.
Ibtissam Lamaamar   +2 more
doaj   +1 more source

Research and suggestions on the grid-connected operation management policy of new energy in Hunan Province [PDF]

open access: yesE3S Web of Conferences
Large-scale new energy access to the power grid will cause a series of problems such as the decrease of system frequency and voltage strength, affecting the safe and stable operation of the power grid.
Jie Sheng   +6 more
doaj   +1 more source

Characterization and thermal performance assessment of earthen adobes and walls additive with different date palm fibers

open access: yesCase Studies in Construction Materials, 2021
This study deals on the one hand, with experimental characterization of the thermophysical properties of adobes made from raw earth reinforced with five different plant waste fibers from palm trees in the Drâa-Tafilalet region in southeastern Morocco ...
Abdellah Mellaikhafi   +7 more
doaj   +1 more source

Energetics of Forced Thermal Ratchet [PDF]

open access: yes, 1998
Molecular motors are known to have the high efficiency of energy transformation in the presence of thermal fluctuation. Motivated by the surprising fact, recent studies of thermal ratchet models are showing how and when work should be extracted from ...
A. Ajdari   +17 more
core   +3 more sources

Modulation characteristics of multi-physical fields induced by air–gap eccentricity faults for typical rotating machine

open access: yesAlexandria Engineering Journal, 2023
Air-gap eccentricity is one of the common faults of typical rotating machine, which results in a dynamic instability state of multi-physical fields.
Zhengyang Liu   +6 more
doaj   +1 more source

Investigation of the energy performance of a novel modular solar building envelope [PDF]

open access: yes, 2017
The major challenges for the integration of solar collecting devices into a building envelope are related to the poor aesthetic view of the appearance of buildings in addition to the low efficiency in collection, transportation, and utilization of the ...
Jin, Hong   +4 more
core   +2 more sources

Cavitation characteristics analysis of a novel rotor-radial groove hydrodynamic cavitation reactor

open access: yesUltrasonics Sonochemistry, 2022
Hydrodynamic cavitation was widely used in sterilization, emulsion preparation and other industrial fields. Cavitation intensity is the key performance index of hydrodynamic cavitation reactor.
Yongxing Song   +5 more
doaj   +1 more source

Advanced smokeless stove towards green environment and for sustainable development of rural women [PDF]

open access: yesE3S Web of Conferences, 2023
Maximum family members in India are using traditional stoves to prepare their three meals per day. Generally, raw wood, cow dung and rice husk are the main fuels for running traditional stoves.
Fidvi Huzaifa   +5 more
doaj   +1 more source

Characteristic Study of Briquette Cyanobacteria as Fuel in Chemical Looping Combustion with Hematite as Oxygen Carrier

open access: yesApplied Sciences, 2021
Due to the more and more serious cyanobacteria bloom problem, it is particularly urgent to find a technology suitable for large-scale disposal and the efficient recovery of abundant nitrogen and phosphorus resources in cyanobacteria.
Haifeng Zhang   +3 more
doaj   +1 more source

Thermal Investigations of Double Pass Solar Air Heater with Two Types of Porous Media of Different Thermal Conductivity [PDF]

open access: yesEngineering and Technology Journal, 2021
This study describes an experimental investigation of the thermal efficiency of stainless steel mesh and steel wool as a porous medium in the lower channel of a double pass solar air heater. An experimental setup was planned and developed.
Jalal M. Jalil, Shrooq J. Ali
doaj   +1 more source

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