Results 21 to 30 of about 16,052 (158)

Modelo simple y generalizado para estimar la entalpía de vaporización de sustancias puras

open access: yesEntre Ciencia e Ingeniería, 2017
El calor de vaporización de sustancias puras en su temperatura normal de ebullición es una propiedad utilizada en diferentes aplicaciones en la industria de procesos.
Luis Fernando Cardona Palacio
doaj   +1 more source

Avaliação da capacidade térmica de equipamentos de ar condicionado para conforto

open access: yesVetor, 2022
A climatização de ambientes residenciais vem crescendo ao longo dos últimos anos e com isso, avaliar se uma instalação de ar condicionado está operando de acordo com o projeto é extremamente importante.
Juvenil Nunes Oliveira Júnior   +2 more
doaj   +1 more source

Hysteresis and thermodynamic properties of water sorption in ‘Malagueta’ pepper seeds

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
The objective of this study was to determine hysteresis, enthalpy, entropy, enthalpy-entropy compensation theory and Gibbs free energy for water adsorption and desorption in ‘Malagueta’ pepper seeds.
Hellismar W. da Silva   +2 more
doaj   +1 more source

Design of a Schlieren system for low enthalpy hypersonic flow visualization in GHIBLI facility and development of image processing and quantitative analysis codes with preliminary application to sonic free jet [PDF]

open access: yes, 2015
GHIBLI is a 2 MW arc-jet hypersonic facility located at CIRA premises in Capua (Italy), designed for testing candidate TPS materials for re-entry vehicles. Measured data during cold flow tests, i.e.
Carletta, Stefano   +4 more
core  

Caracterització del recurs geotèrmic per al Centre Esportiu Municipal de Can Caralleu [PDF]

open access: yes, 2014
L'energia geotèrmica de molt baixa entalpia és un recurs energètic renovable poc aprofitat actualment. En aquest treball es mostra l'aprofitament d'aquest recurs per a fer-ne ús al Centre Esportiu Municipal de Can Caralleu, al barri de Sarrià, Barcelona.
Armengol Jiménez, Clara   +1 more
core  

Comportamento higroscópico de partes aéreas de pimenta-de-macaco (Piper aduncum L.)

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2015
Isotermas de dessorção de pimenta-de-macaco foram determinadas pelo método gravimétrico estático nas temperaturas de 35, 45 e 55 ºC, com umidade relativa variando de 5,5-81%.
Carolina de L. O. C. e Silva   +2 more
doaj   +1 more source

Thermal and spectroscopic analyses on the molecular interaction between eucalyptus kraft pulp components and offset printing inks

open access: yesBrazilian Archives of Biology and Technology, 2009
Thermal and infrared spectroscopic analyzes were carried out in order to study the kind of interaction between the anatomical components of the bleached eucalyptus kraft pulp with offset inks.
Ericka Figueiredo Alves   +3 more
doaj   +1 more source

Teknologia kimikoa. Sistema kimikoen datuak eta konposatu kimikoen parametroak [PDF]

open access: yes, 2017
50 p.Teknologia kimikoaren alorrean (ingeniaritzako kimika-arloa) ezinbestekoa da bibliografian agertzen diren sistema kimikoen zenbait datu eta konposatu kimiko industrialen hainbat propietate erabiltzea. Lehenengo aipatutakoen artean oreka-konstanteak,
Acha Peña, Esther   +2 more
core   +1 more source

"La mort de Teddy" : una experiència per a gaudir i aprendre [PDF]

open access: yes, 2013
Mitjançant aquesta experiència demostrarem el què si l'atmosfera només fora 100% oxigen, al respirar ens cremaríem els pulmons, no obstant això, gràcies a què només té un 21% d'oxigen podem respirar sense cap problema. Amb aquest exemple de reacció també
Martínez Jiménez, Esther   +1 more
core   +2 more sources

Kinetics of water sorption of damaged bean grains: Thermodynamic properties

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
This study aims to determine the thermodynamic properties of damaged beans. Grains with initial moisture content of 53.85% (d.b.) were used. A part of the grains was used to obtain the desorption isotherms, while another part was subjected to drying ...
Paulo C. Corrêa   +5 more
doaj   +1 more source

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