نتایج جستجو برای: isothermal condition

تعداد نتایج: 328750  

2008
T. Nagasaka A. Sagara

High purity Flibe was prepared for corrosion study. Fundamental corrosion experiments in static condition were performed on the structural material for Flibe blanket and Material Research Loop, which is non-isothermal forced convection loop simulating the blanket condition. Corrosion rate for the structural materials in static condition was estimated as small as 0.83-5.4 μm/yr in the high purit...

A. Zabett, J. Vahdati Khaki, M. H. Hemmati,

The volatile matter of non-coking coal was used for the reduction of hematite in argon atmosphere at nonisothermal condition. A thermal gravimeter furnace enable to use an 80 mm-height crucible was designed for the experiments to measure the weight changes of about 10 grams samples. A two-layered array of coal and alumina and four-layered array of iron oxide, alumina, coal and alumina was u...

In order to increase the efficiency and working life of mettalic interconnects used in solid oxide fuel cells, protective coatings with high electrical conductivity are used. In this study, AISI 430 ferritic stainless steel was coated in a cobalt-base pack mixture by pack cementation. The effect of oxide thickness on the area specific resistance (ASR) was investigated by applying isothermal ox...

The effect of heat treatment and alloying elements of copper and tin on the microstructure and mechanical properties of austempered ductile cast iron alloys is investigated. The austenitizing temperature of 890°C, the isothermal transformation (austempering) temperatures of 285, 335 and 375°C, and austempering times of 15, 30, 75 and 150 minutes are studied. The alloying elements of copper and ...

2001
J. Zeng R. A. Macdonald

This paper presents the results of experimental measurements and computational fluid dynamics (CFD) simulations of the indoor environment of an open-plan office. The measurements were conducted in the Indoor Environment Research Facility (IERF) at IRC/NRC, in which six mock-up were setup to simulate an interior open-plan office. Two scenarios were investigated: isothermal and non-isothermal. Th...

2002
J. L. Elliot M. J. Person S. Qu

We present a method for obtaining atmospheric temperature, pressure, and number density profiles for small bodies through inversion of light curves recorded during stellar occultations. This method avoids the assumption that the atmospheric scale height is small compared with the radius of the body, and it includes the variation of gravitational acceleration with radius. First we derive the int...

Journal: :Metals 2022

The influences of heating pattern and sodium carbonate addition on the carbothermic reduction ilmenite concentrate have been experimentally studied. experiments were carried out using isothermal–gradient temperature technique between 1000 °C 1500 with different profiles for a total time 110 160 min. was varied 0 to 60 wt%. It found that profile play an important role separation metallic iron gr...

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