搜索结果: 1-15 共查到“工学 Coefficient”相关记录41条 . 查询时间(0.123 秒)
Effect of Mass on Convective Heat Transfer Coefficient During Onion Flakes Drying
Convective Heat Transfer Coefficient Onion Flakes
2016/5/27
In this present study an open sun and greenhouse drying of onion flakes has been performed to study the effect of mass on convective heat transfer coefficient. Three sets of experiments with total qua...
DEVELOPMENT AND IMPLEMENTATION OF RATIONAL POLYNOMIAL COEFFICIENT ALGORITHMS FOR GEOREFERENCING CARTOSAT-1 DATA
Leader file Georeferencing Rational Function
2015/8/28
This particular study deals with the development of a Generic model called Rational Polynomial
Coefficient, which relates the object space with the image space thereby, georeferencing a satellite
im...
Modeling Exposure Close to Air Pollution Sources in Naturally Ventilated Residences:Association of Turbulent Diffusion Coefficient with Air Change Rate
Air Pollution Sources Naturally Ventilated Residences Turbulent Diffusion Coefficient Air Change Rate
2015/6/30
For modeling exposure close to an indoor air pollution source, an isotropic turbulent diffusion coefficient is used to represent the average spread of emissions. However, its magnitude indoors has bee...
Antioxidant activity coefficient, mechanism, and kinetics of different derivatives of flavones and flavanones towards superoxide radical
antioxidant activity coefficient flavonoids binding constant homogeneous kinetics cyclic voltammetry
2014/2/25
A systematic investigation of the electrochemically generated superoxide radical (O2●–) has been conducted in the presence of some flavonoids. Cyclic voltammetry was used to generate O2●– by reducing ...
The coefficient of friction of individual potatoes and various handling materials – Short communication
handling equipment machinery potato damage surfaces
2014/2/25
The dynamic coefficient of friction of single potatoes was determined on mild steel, rubber and plastic, for tubers in each of four conditions: dry and dirty, wet and dirty, clean and wet and clean an...
Dependence of the Ion-Aerosol Equivalent Attachment Coefficient on the Ratio of Polar Conductivities in a Steady State
Aerosol Ion Attachment coefficient
2016/3/28
The article discusses certain theoretical problems of the diffusion charging of aerosol particles in a bipolar ion
environment. The ratio of polar conductivities, induced by cluster ions of either po...
Drag Coefficient of a Spherical Particle Attached on the Flat Surface
Drag coefficient Boundary layer Numerical simulation Reynolds number
2016/3/28
The previous analytical solution for the drag coefficient (Cd) for a spherical particle attached on the flat surface, which
was derived by O’Neill (1968), is only valid in the creeping flow condition...
Reconstruction of the heat transfer coefficient on the grounds of experimental data
Artificial intelligence methods Casting Inverse Stefan Problem
2009/12/14
Purpose: Solidification of pure metal can be modelled by a two-phase Stefan problem, in which the distribution of temperature in the solid and liquid phases is described by the heat conduction equatio...
The Variation of the Friction Coefficient in Pipe Connections Working Under Static and Dynamic Loads
Galling Time Dependent Friction Coefficient Lubrication
2009/10/14
The friction coecient and the galling process in metal to metal parts depend on many variables such as normal load, lubricant, roughness and design of the friction surfaces. Since developing a mathem...
FLOW BOILING HEAT TRANSFER COEFFICIENT OF R-134A/R-290/R-600A MIXTURE IN A SMOOTH HORIZONTAL TUBE
heat transfer coefficient stratified flow acetone
2009/10/14
An investigation on in-tube flow boiling heat transfer of R-134a/R-290/R-600a (91%/4.068%/4.932% by mass) refrigerant mixture has been carried out in a varied heat flux condition using a tube-in-tube ...
PARAMETRIC STUDY OF THE HEAT TRANSFER COEFFICIENT IN BI-DIMENSIONAL SMOLDERING SIMULATION
smoldering fixed bed heat transfer porous medium finite volume method
2009/10/14
In this paper, we present the transient modeling results of 2-D forward smoldering in a cylindrical configuration filled with a foam porous material. The objective of the study is to explain the effec...
Investigation of the Friction Coefficient in Smooth Open Channel Flows
Open channel energy loss friction factor
2009/10/14
In practical engineering, the friction coecient formulations developed for circular pipes are usually assumed to be valid for open channels and used in derivation of mathematical formulation. However...
Effect of Wall Shear Stress Distribution on Manning Coefficient of Smooth Open Rectangular Channel Flows
Open channel flow Manning friction coecient Wall shear stress
2009/10/12
The determination of velocity distribution in open channel flows is crucial in many critical engineering problems such as channel design, calculation of energy losses and sedimentation. In this study,...
Automatic motion learning in the presence of anomalies using coefficient feature space representation of trajectories
Object trajectory dimensionality reduction trajectory clustering
2009/9/9
Techniques for understanding video object motion activity are becoming increasingly important with the widespread adoption of CCTV surveillance systems. Motion trajectories provide rich spatiotemporal...
变冲击系数的几何参数化变矩器特性模型（Parametric Torque Converter Dynamic Model with Variable Shock Loss Coefficient）
液力变矩器 键合图 无因次特性
2009/8/11
为解决变矩器特性模型中因冲击损失造成理论预测误差偏大的问题，建立了变冲击损失系数的几何参数化变矩器特性模型。模型以键合图作为系统动力学工具，采用模块化建模方法，分析了各工作轮的工作特性与能量损失，实现了通过几何参数进行工作特性的预测，采用变冲击损失系数的方法来增加模型精度。与样机性能实验结果对比表明，在转速比0至1全区段内，变冲击损失系数方法得出的变矩比和效率百分比误差的波动变化更小，这说明在工况...