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Ecophysiological strategies to daily air temperature variations in two key species in the northwestern slope of the superpáramo of the Antisana volcano
(PUCE, 2016)
Background: Tropical alpine plants experience daily freezing risk, yet little is known about the
interaction between their surroundings and thermal traits. Existent studies are based on
information taken over short periods ...
Avaliação da influência da temperatura de junção no desempenho de um módulo IGBT empregando sensores a fibra ótica
(Universidade Tecnológica Federal do ParanáPato BrancoPrograma de Pós-Graduação em Engenharia Elétrica, 2010)
This study aims to evaluate the temperature influence on power losses of an IGBT module
(Insulated Gate Bipolar Transistor), monitoring the temperature through direct measurement, using optical sensors. The direct monitoring ...
Rheological and thermal characterization of the effects of high pressure and high temperature on the properties of water-based drilling fluids with xanthan gum
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Mecânica e de MateriaisUTFPR, 2021-05-04)
The water-based drilling fluid with xanthan gum and limestone under high-pressure and hightemperature conditions is investigated in the following experimental study using an Anton Paar MCR 702TD rheometer with pressure ...
Análise de temperatura em um motor de combustão com arrefecimento a ar utilizando sensores baseados em redes de Bragg em fibras óticas
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Elétrica e Informática IndustrialUTFPR, 2022-02-14)
This study reports the analysis of the temperature in air-cooled internal combustion engines using sensors based on fiber optic Bragg gratings (FBG) as a measuring device to obtain temperature values in different operating ...
Controle de potência via algoritmo de enxame de vaga-lumes para atenuação dos efeitos da variação da temperatura ambiente em redes OCDMA
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilPrograma de Pós-Graduação em Engenharia ElétricaUTFPR, 2017-07-31)
This work presents a research related to power control in OCDMA networks aiming to mitigate the effects of environmental temperature variation in optical fibers. The optical signal transmitted in fibers exposed to environmental ...
Avaliação de um sistema de resfriamento passivo para o clima de Curitiba
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em TecnologiaUTFPR, 2016-05-31)
Direct evaporative cooling systems (DECS) based on sprinkling water indoors in the form of droplets and indirect evaporative cooling systems (IECS), characterized by the use of wetted roof or wall surfaces for cooling ...
Automação da ventilação em sistema compost barn: implicações no comportamento e fisiologia térmica de vacas leiteiras
(Universidade Tecnológica Federal do ParanáDois VizinhosBrasilPrograma de Pós-Graduação em ZootecniaUTFPR, 2021-07-01)
Compost bedded pack barn (compost barn) system has been increasingly used for milk production in the south region of Brazil. However, acclimatizing systems are still consisted of manual activation of ventilators, which ...
Medição da temperatura de corte no torneamento do aço-ferramenta AISI D6 temperado e revenido auxiliado por LN2
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA MECÂNICA, 2020-02-17)
The present work has the main purpose to investigate the cutting temperature
when machining quenched and tempered AISI D6 tool-steel assisted by liquid
nitrogen (LN2). Uncoated PCBN inserts were used as cutting tools ...
Estudo comparativo do desempenho térmico de células-teste enterrada e semienterrada na cidade de Curitiba - PR
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia CivilUTFPR, 2018-06-14)
Aiming at a bioclimatic architecture that uses passive methods to reduce the energy consumption, this research has the purpose aim of verifying the thermal performance of buried and semi-buried test cells when compared to ...
O uso de imagens térmicas na avaliação do risco de complicações do pé diabético
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia BiomédicaUTFPR, 2020-10-14)
Diabetes mellitus is a serious public health problem that can cause micro and macrovascular disorders. One of the most frequent complications is the appearance of foot ulcers, which can lead to the need for amputation. ...