Results 1 to 10 of about 35,227 (206)

Improving electrical energy and producing thermal energy in solar photovoltaic system by integrating phase change materials [PDF]

E3S Web of Conferences, 2021
Solar energy is a natural source that provides clean and renewable energy, which supplies two types of energy: thermal energy and photovoltaic energy. Whereas, the most effective way to exploit this energy is photovoltaic cells.
Hassoune Hind, Ben zohra Mouna, Riad Amine, Alhamanyi Abdelilah   +3 more
doaj   +1 more source

Trilhas Interpretativas e Temas Controversos: Uma Proposta Metodológica de Ensino

Indagatio Didactica, 2019
A educação na contemporaneidade possui como objetivo a formação de indivíduos capazes de refletir e atuar de forma crítica sobre as questões socioambientais, sócio-científicas e tecnológicas.
Ana Lucia Olivo Rosas Moreira, Elio Jacob Hennrich Junior, Marcos Paulo Alberto Pereira, Andressa Barbosa dos Santos, Denise Godoi Ribeiro Sanches, Pedro Reis   +5 more
doaj   +1 more source

Experimental investigation of heat transfer in a cavity filled with (50% CuO-50% Al2O3)/Water with hybrid nanofluid attached to a vertically heated wall partially integrated with PCM

Al-Qadisiyah Journal for Engineering Science, 2023
An empirical evaluation of free convective heat transmission was conducted in a rectangular enclosure containing a hybrid nanofluid of (50% CuO-50% Al2O3)/water linked to a PCM-containing wall.
Muqdad Al-Maliki, Khaled Al-Farhany
doaj   +1 more source

Concepções acerca da inclusão de um laboratório de acesso remoto com experimentos de física contemporânea

Revista Brasileira de Ensino de Ciência e Tecnologia, 2018
A física moderna e contemporânea constitui um campo científico muito desenvolvido, sendo a base teórica de funcionamento de inúmeros dispositivos, produzindo, assim, vasta gama de aplicações utilizadas na vida cotidiana da sociedade atual.
Arquimedes Luciano, Polonia Altoe Fusinato   +1 more
doaj   +1 more source

Rotavirus gastroenteritis in a children's hospital specialized in craniofacial malformations

Journal of Venomous Animals and Toxins including Tropical Diseases, 2010
This study aimed to verify the relationship between acute diarrhea provoked by rotavirus and different indicators of craniofacial malformations. In the Hospital for Rehabilitation of Craniofacial Anomalies, 8,724 children with cleft lip and cleft palate ...
NA Vieira, PCM Pereira, LR Carvalho
doaj   +1 more source

Solar Facade Module for Nearly Zero Energy Building. Extended Test Period

Environmental and Climate Technologies, 2020
The study presented in this paper is a continued research of preceding tests of small-scale passive solar wall module to explore 1) the behaviour of solar wall module in various setups for an extended 48-hour period of time, and 2) the performance of ...
Mols Toms, Vanaga Ruta, Blumberga Andra
doaj   +1 more source

A utilização de experimentos químicos em peças de teatro científico no evento Ciência em Cena

Revista Insignare Scientia, 2022
O teatro científico é a interação entre a Ciência e a Arte, no qual a ciência é o tema central das tramas. Diante disso, este trabalho visa identificar as peças de teatro com temáticas da Química que utilizam a experimentação como tema central das ...
Renan Sota Guimarães, Leila Inês Follmann Freire   +1 more
doaj  

Exportaciones de productos no tradicionales en el Perú en una estructura VAR multivariado

Semestre Economico, 2019
Entre los años 2000 a 2017 las exportaciones no tradicionales en el Perú han mostrado un acelerado crecimiento explicado principalmente por el sector agropecuario, seguido por los sectores pesquero, textil, químico y sidero-metalúrgico presentando un ...
Luis Francisco Laurente Blanco, Ayde Marín Bedoya   +1 more
doaj   +1 more source

Synthesis and Characterization of Maleic Anhydride Modified Poly (Ethylene Glycol) as Polymeric Solid-Solid Phase Change Materials

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020
In this study, a novel type of polymeric solid-solid phase change materials (SSPCMs) and Maleic anhydride (MA) modified poly (ethylene glycol) PEG. MAM-PEG polymers were synthesized from different moleculer weight PEG (Mw: 4000, 6000) .On the other hand ...
Tuğba Güngör Ertuğral, Cemil Alkan
doaj   +1 more source

Performance Evaluation of a Small-Scale Latent Heat Thermal Energy Storage Unit for Heating Applications Based on a Nanocomposite Organic PCM

ChemEngineering, 2019
A small-scale latent heat thermal energy storage (LHTES) unit for heating applications was studied experimentally using an organic phase change material (PCM).
Maria K. Koukou, George Dogkas, Michail Gr. Vrachopoulos, John Konstantaras, Christos Pagkalos, Kostas Lymperis, Vassilis Stathopoulos, George Evangelakis, Costas Prouskas, Luis Coelho, Amandio Rebola   +10 more
doaj   +1 more source