Steady state creep behavior of short fiber composites by …
Highlights Defining the 2nd stage creep strain rate of short fiber composites without using the shear-lag theory. Mapping function and dimensionless parameter techniques are presented. Determination of some unknowns in second stage creep of short fiber composites under axial loading. Good agreements are found between the new presented approaches and …
Comparative cytotoxicity analyses of disinfection byproducts …
In this study, a powerful dimensionless parameter scaling method was adopted to quantitatively determine the relationship of halogen substitution and the cytotoxicity of various DBP groups in three cell lines (i.e., the human breast carcinoma (MVLN), Chinese hamster ovary (CHO), and human hepatoma (Hep G2) cell cytotoxicity) with no need to ...
quantum mechanics
The intrinsic difference is that a dimensionless parameter is invariant if we change our units, whereas other parameters do depend on the units. The former arises when we can specify the property in question in terms of the other measurements made from within the system.
Optimization of Blast Design Parameter for Ring Blasting in …
So, the blast design parameters should be planned according to the scenario of the upcoming ring. The blast design parameters like burden, toe spacing, inclination of …
In-process identification of modal parameters using dimensionless …
Dimensionless parameters to relate vibration frequencies and modal parameters are introduced. Closed-form methods are presented to extract modal parameters from two or multiple test conditions. Stability lobes calculated using extracted in-process parameters match well the experimental results; notably better than results of impact tests on non ...
Dimensionless velocity profiles and parameter maps for …
New dimensionless parameters were defined working on the original expressions for v(r)/~; they are shown in Table 3 together with the relationships for the dimensionless velocity. Results From the practical point of view it is useful to take into account some limiting cases for each model: The Ostwald de Waele model for s = 1 represents a ...
IMPLICATIONS FROM DIMENSIONLESS PARAMETER …
The dimensionless parameter scaling approach is increasingly useful for predicting future tokamak performance and guiding theoretical models of energy transport. Experiments to …
Dimensionless parameter for assessing a solar still's …
A dimensionless parameter N VS (the Vega-Silva number) will find numerous applications in the handling of brine in evaporative ponds and facilitates the separation of the two main participating areas: land surface and evaporation surface. The experimental model was tested to identify an extended evaporative surface employing several porous ...
Dimensionless, Quasidimensionless, Referred and Scaling …
Dimensionless, Quasidimensionless, Referred and Scaling Parameter Groups. Philip P. Walsh BSc, FRAeS, CEng, ... including rights for text and data mining and training of artificial technologies or similar technologies. The full text of this article hosted at iucr is unavailable due to technical difficulties. Log in to Wiley Online Library.
Paper: Tailings beach slopes as a dimensionless parameter …
The dimensionless parameter and conditions found to promote sheet flow also allow to address the advantages and limitations of different discharge operation strategies, such as operating the tailings facility by sectors (allowing drying cycles) of varying geometries. ... 'The behaviour of mine tailings during hydraulic deposition', Journal ...
Double-Loop Multi-Scale Control using Routh-Hurwitz Dimensionless …
For an n×n MIMO process, the proposed scheme requires the tuning of only 3 to 6 dimensionless parameters instead of the 3n original PID parameters. This paper presents a new approach to controlling MIMO processes by using the double-loop multi-scale control scheme in the decentralized control architecture. The decentralized PID control system ...
A DIMENSIONLESS PARAMETER STUDY
show periodic "mining" which can be avoided if pumpage rates are modified. The wells in Kansas are located very far from other pumping locations thus rendering the recharge area excessivly large. Regression analysis was per formed encompassing recharge periods of one month, six months, and twelve months.
Dimensionless Parameter
We introduce the dimensionless parameters X, Y, T, S ¯ and P ¯ as the dimensionless 2D spatial coordinates (x and y), time coordinate (t), C S and C P, respectively. Dimensionless …
Dimensionless, Quasidimensionless, Referred and Scaling …
This chapter contains section titled: Introduction The importance of parameter groups Tables of parameter groups and description Second—order effects—steady state performance Second—order e...
A dimensionless number for predicting universal processing …
Readers are referred to [13], [14], [15] for a more comprehensive list of other dimensionless numbers pertaining to the SLM process. The variables that. Dimensionless number. After implementing Pawlowski's method and investigating the resulting 14 dimensionless groups, the newly discovered dimensionless number can be defined as: Π 1 …
Dimensionless parameters to define process windows of …
As outlined above, there is no simple parameter to define proper thermal condition for PBF 3D . As a practical guideline, the linear energy density defined as E L = P / V (where P is the laser power and V is the scan speed) can be used to approximately describe the thermal conditions because it measures the energy input per unit scan path [27], [28], [29].
Liquid-Liquid Flow Pattern Prediction Using Relevant Dimensionless
Accurate predictions of flow patterns in liquid-liquid flow are critical to the successful design and operation of industrial and geo-energy systems where two liquids are jointly transported. Unfortunately, there is no unified flow pattern map, because all published maps are based on limited ranges of dimensional parameters. Dimensional analysis was performed on …
Solved The number is a significant dimensionless parameter …
Question: The number is a significant dimensionless parameter for forced convection and the number is a significant dimensionless parameter for natural convection. Reynolds, Grashof Grashof, Sherwood Reynolds, Mach Reynolds, Eckert. Show transcribed image text. There are 2 steps to solve this one.
CFD modeling of nonlinear tsunami wave run-up dynamics: …
(a) The dimensionless maximum run-up velocity versus ξ ′. The dashed, dot-dashed, and solid lines represent the analytical solution by Eq. (15) for run-up velocities of initial wave non-linearity of H o / D = 0. 1, 0.5, and 1.0, respectively. (b) Dimensionless maximum run-up velocity as a function of wave non-linearity H / D. The overbar ...
Getting the (dimensionless) numbers right
Gareth McKinley discusses the physical interpretation that lies behind the dimensionless parameters that are so widely used by engineers.
Analysis of the slump test for on-site yield stress …
This technology is now being adopted by many mines, such as the Musselwhite Mine, Barun Mine, and numerous other mining operations. ... Dimensionless slump degree of all three slurry concentrations shows an increasing trend, while the yield stress shows a decreasing trend. Among them, the variation of 62% concentration slurry is smaller, ...
Dimensionless parameter method for evaluating decentralized …
Fig. 1 is a flow diagram illustrating the use of RWHs, GWRs, and HRGs for non-potable water reuse in buildings. As shown by the green line in Fig. 1, rainfall harvested from capture on the roofs of buildings is filtered and stored in rainwater tanks for use as non-potable water.First flushing or suspended filtration devices are used to remove suspended solids from …
Why use dimensionless variables
There are great benefits of dimensionless variable (eng. dimensionless numbers), why they are mostly used in engineering and physics. They are independent of scale (at least …
Corrigendum to "Frost risk assessment based on the frost …
1.2 The sentence "Ecodormancy is driven by competition between chilling and thermal (Chuine, 2000) on a given date t (CCF t), expressed as:" in line 8–9 of page 4 under Section 2.2 is replaced with "Ecodormancy is driven by competition between chilling and thermal (Chuine, 2000) on a given date t (CCF t) as formulated by Kimura et al. (2021a) and Kimura et …
Nonlocal Criteria for Brittle and Quasi-Brittle Fracture of
e is the size of the stress concentration zone, is the dimensionless parameter that characterizes the plasticity of the material. For brittle materials, 0; for plastic materials, 1. In the case where ~ 1, the material is characterized by moderate plastic properties.
Final Report OWRR A-027-0KLA OURI 1779 A …
lated to the use of dimensionless parameters. The authors referred to in the bibliography, Yeh (2), Singh (3), Hunt (4), Ahmed and Sunada (5), and Esmaili and Scott (6), have all integrated different parameters to form dimensionless terms in order to solve complex equations en countered in various hydraulics problems. In their studies
Dimensional Analysis
Dimensional analysis permits us to organize the process by which we vary the independent parameters. In fact, it helps us identify the true dependent and independent parameters in a …
Data-driven discovery of dimensionless numbers …
Dimensionless learning can reduce complex, highly multivariate problem spaces into descriptions involving only a few dimensionless parameters with clear physical meanings.
Dimensionless parameters for the design of optical traps …
T1 - Dimensionless parameters for the design of optical traps and laser guidance systems. AU - Nahmias, Yaakov K. AU - Gao, Bruce Zhi. AU - Odde, David J. PY - 2004/7/10. Y1 - 2004/7/10. N2 - Optical traps are routinely used for the manipulation of neutral particles. However, optical trap design is limited by the lack of an accurate theory.
Prediction of scour depth around monopiles in combined …
A range of dimensionless parameter associated with lower failure probabilities could provide a reference for the design of monopile foundations. Abstract. ... In recent years, machine learning and data mining methods have been applied across various scientific disciplines. The M5' model tree method is a novel approach in machine learning and ...