Results 31 to 40 of about 5,112,258 (199)

Assessment of the Efficiency of a Hybrid Photovoltaic and Photovoltaic Heating System (PV–Solar) in the Context of a Warehouse for a Housing Community in Poland

open access: yesEnergies
In light of global challenges such as the war in Ukraine and the depletion of fossil fuel resources, it is essential to explore sustainable energy solutions.
Andrzej Gawlik   +7 more
doaj   +1 more source

Energy-Optimal Flight Strategy for Solar-Powered Aircraft Using Reinforcement Learning With Discrete Actions

open access: yesIEEE Access, 2021
The low efficiency of photovoltaic cells limits the energy absorption of high-altitude long-endurance (HALE) solar-powered unmanned aircraft vehicles (UAVs), which dramatically weakens the capacity for long-endurance missions. Therefore, finding a method
Wenjun Ni, Di Wu, Xiaoping Ma
doaj   +1 more source

Understanding the effects of sand and dust accumulation on photovoltaic modules [PDF]

open access: yes, 2012
Numerical and analytical models of sand and dust particle accumulation on photovoltaic modules in dry regions are presented and supported by a laboratory investigation of sand particle accumulation on a glass surface.
Moir, Robert   +5 more
core   +1 more source

Performance Assessment of a Photovoltaic Cell Coupled with a Thermoelectric Generator

open access: yesEngineering Proceedings
Solar energy resources have been widely harvested through the use of photovoltaic cells. Nevertheless, its effectiveness is still tricky because the Sun’s heat is rarely considered.
Tri Widodo Besar Riyadi   +3 more
doaj   +1 more source

Investigation into the effects of flow distribution on the photovoltaic performance of a building integrated photovoltaic/thermal solar collector [PDF]

open access: yes, 2013
The conversion of solar energy into usable forms of energy such as electricity and heat is attractive given the abundance of solar energy and the numerous issues recently raised in the consumption of fossil fuels.
Ghani, Faisal Abid
core  

SOLAR 1.1 software: a case study of a chicken farm illumination project

open access: yesExacta, 2012
The aim of this paper is to describe the use of SOLAR 1.1 software to de¬sign an illumination system for a chicken farm. This software version also helps carry out the economic analysis for grid-connected or stand-alone photovoltaic systems for choosing ...
Paolo Laranci   +2 more
doaj   +1 more source

A review of international and local developments in photovoltaic technology and economics for developing areas [PDF]

open access: yes, 1989
Bibliography: leaves 251-258.The experiences with photovoltaic systems in developing areas in the Third World, generally, and in South Africa, in particular, are assessed with respect to technical and economic performance.
Sinclair, David John
core   +1 more source

Deep learning algorithms were used to generate photovoltaic renewable energy in saline water analysis via an oxidation process

open access: yesJournal of Water Reuse and Desalination, 2023
The amount of particles and organic matter in wash-waters and effluent from the processing of fruits and vegetables determines whether they need to be treated to fulfil regulatory standards for their intended use. This research proposes a novel technique
Wongchai Anupong   +6 more
doaj   +1 more source

Small molecule tandem organic photovoltaic cells incorporating an α-NPD optical spacer layer [PDF]

open access: yes, 2013
We report an improvement in power conversion efficiency in a small molecule tandem organic photovoltaic (OPV) device by the optimisation of current balancing of the sub-cells using an optical spacer layer. A co-deposited layer of N,N’-bis(1-naphthyl)-N,N′
Howells, Thomas J.   +7 more
core   +1 more source

Modelling of a stand alone photovoltaic system with dedicated hybrid battery energy storage system [PDF]

open access: yes, 2012
Includes abstract.Includes bibliographical references.The purpose of this thesis project was to model and simulate a stand-alone photovoltaic (PV) plant that utilized the maximum power point tracking (MPPT) technique and included a hybrid battery energy ...
Vanden Eynde, Nicholas
core   +1 more source

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