搜索结果: 1-15 共查到“diffusivity”相关记录28条 . 查询时间(0.064 秒)
Moisture and thermal diffusivity of lentil seed under convective infrared-microwave:Modelling with and without shrinkage
infrared radiation equilibrium content Fick’s second equation drying rate dehydration
2016/9/2
The effect of infrared radiation and microwave radiation on the moisture and thermal diffusivity characteristics of lentil seeds during infrared and microwave drying was investigated. Using mathematic...
Effective moisture diffusivity during hot air solar drying of tomato slices
falling rate period Fick’s second law mathematical models solar dryer swivel collector
2016/4/5
Mathematical modelling and effective moisture diffusivity of tomato (Lycopersicon esculentum) was studied during hot
air solar drying. An experimental solar dryer with a swivel collector was used fo...
Evaluation of soil thermal diffusivity algorithms at two equatorial sites in West Africa
Thermal diffusivity Soil temperature Soil moisture content West Africa
2015/8/18
This study presents comparisons between six algorithms used in the calculation of apparent thermal diffusivity (Kh) of the topsoil during measurement campaigns conducted at two equatorial sites. It fu...
Moisture Diffusivity of Five Major Varieties of Iranian Pistachios
Five Major Varieties Iranian Pistachios
2016/5/31
The moisture diffusion coefficients of five major varieties of Iranian pistachios (Ahmad_aghayee, Akbari, Badami, Fandoghi and Kaleh_ghoochi) were successfully interpreted and modeled by using Fick’s ...
Three‐dimensional earthquake sequence simulations with evolving temperature and pore pressure due to shear heating: Effect of heterogeneous hydraulic diffusivity
Three‐dimensional earthquake sequence simulations evolving temperature pore pressure due to shear heating:heterogeneous hydraulic diffusivity
2014/4/8
A new methodology for three‐dimensional (3‐D) simulations of earthquake sequences is presented that accounts not only for inertial effects during seismic events but also for shear‐induced temperature ...
Thermal diffusivity of RE2Zr2O7 - type ceramic powders intended for TBCs deposited by APS
Metallic alloys Thin&thick coatings TBC
2009/12/3
Purpose: The aim of this paper is to provide overall characteristics of the Laser-Flash method and to determine the thermal diffusivity of powders intended for thermal spraying of thermal barrier coat...
Determination of Aquifer Diffusivity from Annual Fluctuations of Ground Water Levels
Aquifer Diffusivity Annual Fluctuations Ground Water Levels
2009/10/29
Annual fluctuations of ground water levels of an aquifer are described as a
consequence of water recharging periodically over a part of the aquifer. These
areas can be depicted by drawing maps showi...
OPTIMAL PARAMETERIZATION IN THE MEASUREMENTS OF THE THERMAL DIFFUSIVITY OF THERMAL BARRIER COATINGS
laser flash method optimal parameterization parameter estimation
2009/10/14
The paper presents an estimation procedure for the measurement of the thermal diffusivity of thermal barrier coatings deposited on thermal conductive substrates using the laser flash method when the t...
The existence of the effective diffusivity tensor for diffusions with incompressible mixing drifts
Random field diffusions in random media mixing
2009/9/21
In the present article we consider a model of motion of
a passive tracer particle under a random, non-steady (time dependent),
incompressible velocity flow in a medium with positive molecular diffus...
On the Diffusivity of Turbulent Flow.
Vertical Eddy Diffusivity of Waters in the Baltic Sea
Vertical Eddy Diffusivity Waters Baltic Sea
2009/6/18
Vertical Eddy Diffusivity of Waters in the Baltic Sea
Thermal Diffusivity Measurements of Metals and Alloys by Making Use of the Phase Shift of Laser-Induced Thermoelastic Wave
Thermal diffusivity measurement Thermo elastic wave CO2 laser
2009/6/8
This paper describes a method of obtaining the thermal diffusivity of a metal sample of known thickness. By irradiating an intensity-modulated laser beam of 8 W to the sample at power density of 1.5 ×...
Determining of moisture diffusivity and activation energy in drying of apricots
apricots drying effective moisture diffusivity activation energy
2014/2/26
In this study, Fick’s second law was used as a major equation to calculate the moisture diffusivity for apricot fruit with some simplification. Drying experiments were carried out at the air temperatu...
On the Sensitivity of Thermocline Depth and Meridional Heat Transport to Vertical Diffusivity in OGCMS
Thermocline Depth ocean general circulation models Vertical Diffusivity Meridional Heat Transport
2008/12/10
Aimed at a further understanding of the role of vertical diffusivity in determining the vertical structure of the thermocline circulation and meridional heat transport in ocean general circulation mod...
Turbulent vertical diffusivity in the sub-tropical stratosphere
Turbulent vertical diffusivity sub-tropical stratosphere
2008/10/29
Vertical (cross-isentropic) mixing is produced by small-scale turbulent processes which are still poorly understood and paramaterized in numerical models. In this work we provide estimates of local eq...