Results 21 to 30 of about 180,663 (310)

Métodos transientes de troca de calor na determinação das propriedades térmicas de materiais cerâmicos: II - o método do fio quente Thermal properties of ceramic materials by the non-steady techniques: II - the hot wire technique

Cerâmica, 2005
A condutividade térmica, a difusividade térmica e o calor específico, conhecidos como propriedades térmicas são as três propriedades físicas de um material mais importantes do ponto de vista de cálculos térmicos.
W. N. dos Santos
doaj   +1 more source

Método de fio quente na determinação das propriedades térmicas de polímeros Hot wire technique in the determination of thermal properties of polymers

Polímeros, 2004
A técnica de fio quente paralelo normalizada para a determinação da condutividade térmica de materiais cerâmicos foi empregada na determinação das propriedades térmicas de polímeros.
Wilson N. dos Santos, Rinaldo Gregorio Filho, Paul Mummery, Andrew Wallwork   +3 more
doaj   +1 more source

Thermal Characterization of Microscale Heat Convection under Rare Gas Condition by a Modified Hot Wire Method

, 2017
As power electronics shrinks down to sub-micron scale, the thermal transport from a solid surface to environment becomes significant. Under circumstances when the device works in rare gas environment, the scale for thermal transport is comparable to the ...
Gao, Jianshu, Xie, Danmei, Xiong, Yangheng, Yue, Yanan   +3 more
core   +1 more source

Aplicação da técnica de fio quente na determinação das propriedades térmicas de polímeros fundidos Hot wire technique in the determination of thermal properties of melt polymers

Polímeros, 2005
A natureza da estrutura molecular dos plásticos torna as propriedades desses materiais fortemente dependentes da temperatura. A condutividade térmica, difusividade térmica e o calor específico, conhecidos como propriedades térmicas, são as três ...
Wilson N. dos Santos
doaj   +1 more source

Manufacturing Continuous Fiber‐Reinforced Printing Filaments: Development of a Post‐Consolidation Unit

Advanced Engineering Materials, EarlyView.
A novel, temperature‐controlled post‐consolidation unit is developed to test its potential to improve the melt impregnation process used to manufacture continuous fiber‐reinforced filaments for additive manufacturing of high‐performance thermoplastics.
Daniel Beermann, Patrick Schiebel, David May   +2 more
wiley   +1 more source

Optical Methods for the Determination of Combustion Temperatures [PDF]

, 1953
A brief survey is presented of optical methods for the determination of temperatures which can be used in rocket engines. The data are presented in outlines and include an outline of basic principles involved in application of a given technique, a sketch
Dyne, P. J., Penner, S. S.
core   +1 more source

USING HOT WIRE TECHNIQUE FOR MEASURING THERMAL CONDUCTIVITY OF INFUSIONS OF ORGANIC AND CONVENTIONAL COFFEE

Revista de la Facultad de Ciencias, 2016
The technique of hot wire, a versatile method of low cost and high accuracy for measuring the thermal conductivity of fluids through the increasing temperature of a wire that is immersed into the liquid and between its ends a potential difference is ...
Fernando Gordillo-Delgado, Diego F. Valencia-Grisales, Jesús Plazas-Saldaña   +2 more
doaj   +1 more source

Influence of Sample Preparation and Processing Procedures on the Thermal Diffusivity of MgO‐C Refractories

Advanced Engineering Materials, EarlyView.
The thermal diffusivity of MgO‐C refractories is highly sensitive to sample preparation and processing procedures. In this article, the effects of coking sequence, machining conditions, structural inhomogeneity, and graphite coating application on measurements using laser flash apparatus are systematically investigated.
Luyao Pan, Rhena Wulf, Till M. J. Stadtmüller, Christos G. Aneziris, Tobias M. Fieback   +4 more
wiley   +1 more source

Study of hot wire techniques in low density flows with high turbulence levels [PDF]

, 1966
Prediction of heat, mass, species, and momentum fluxes in a space vehicle and aerodynamic noise production by supersonic jet and rocket exhausts requires a predictability of the associated turbulence fields. The hot wire is a technique that will allow an
Hanson, A. R., Krause, F. R., Larson, R. E.   +2 more
core   +1 more source

Selection of Welding Conditions for Achieving Both a High Efficiency and Low Heat Input for Hot-Wire Gas Metal Arc Welding

Journal of Manufacturing and Materials Processing
This study presents a new gas metal arc welding (GMAW) technique that achieves both high efficiency and low heat input using a hybridization of the hot-wire method.
Keita Marumoto, Akira Fujinaga, Takeshi Takahashi, Hikaru Yamamoto, Motomichi Yamamoto   +4 more
doaj   +1 more source