rough wall
Smooth and Rough Wall Open Channel Flow Including Effects of Seepage and Ice Cover
... smooth wall compared to a rough wall for near-bed locations and relate this phenomena to strongly favored Reynolds stress contributions from ejection (Q2 events) for the smooth ...
177
Modelling extreme concentration from a source in a turbulent flow over rough wall
... Large eddy simulation (LES) is known as a most promising technical ap- proach to simulate atmospheric flow and dispersion, because of the very large Reynolds number involved. However, we can normally only simulate atmo- ...
19
Spanwise variations in nominally two dimensional rough wall boundary layers
... the rough-wall cases z (and δ) is measured from the base of the roughness elements and in all cases y = 0 is the spanwise centreline of the working ...
9
Vortex interaction with a rough wall formed by a hexagonal lattice of posts
... the wall, inducing itself a train of trailing hairpin-type vortices which is called the wall cycle (Jimenez 1994, Jimenez and Pinelli ...a wall in head-on collision, using dye in water to visualize ...
14
Linear and Non-linear Interactions in a Rough-Wall Turbulent Boundary Layer
... large wall-parallel wavelengths compared to the boundary layer thickness and non-negligible amplitude, the e ff ects of the roughness extend through much of the boundary layer, and hot wire anemometry can be used ...
126
Rough wall boundary layers: mean flow universality
... There is some evidence that even if a universal wake function is accepted for all kinds of boundary layers, the value of Π is significantly higher for rough-wall than for smooth-wall flows. Tani ...
17
Experimental and numerical study of interaction between particle loaded fluid and a rough wall with micropillars
... a rough surface with a defined micro-structure are ...bottom wall contains arrays of micro-cantilever force sensors simulating a defined surface roughness created by deep-etching of micro-pillars in a silicon ...
10
Experimental and numerical study of interaction between particle loaded fluid and a rough wall with micropillars
... Permanent repository link: http://openaccess.city.ac.uk/12979/ Link to published version: http://dx.doi.org/10.1016/j.triboint.2014.10.009 Copyright and reuse: City Research Online aims [r] ...
6
Shock waves in two-dimensional granular flow: Effects of rough walls and polydispersity
... the rough wall pipe flow is extremely sensitive to exact experimental conditions and consequently the statistics obtained for these flows is bound to be more ...
10
On the effects of surface morphology on the structure of wall-turbulence
... about rough walls compared to their smooth wall counterpart ...and rough walls present similarities which are commonly employed in the study of boundary lay- ers ...smooth wall turbulent ...
5
The Experimental and Numerical Approch of Two- phase Flows by a Wall Jets on Rough Beds in Open Channel Flow
... stable wall jet will be created using the constant head. The wall jet test facility is fixed on the bottom of tank shown in figure ...the wall jet will be placed 2 m downstream of the channel ...
5
The influence of lubricants and glidants on the flow and capsule filling properties of powders
... Microcrystalline cellulose was first marketed in 1964 by the FMC corporation under the name Avicel PH. Other brands are also available on the pharmaceutical market nowadays. It is formed from controlled hydrolysis and ...
289
Original Article Diagnostic value of ultrasound compared to CT in patients with suspected acute appendicitis
... Acute appendicitis is a pathological process characterized by inflammation, and different pathological types correspond to the different progressive stages, leading to the distinct imaging manifestations. Simple ...
9
Some Special Properties of I-rough Topological Spaces
... Some of the basic definitions for our further study need to be quoted before introducing the new concepts. Let U be any non-empty set and let β be a complete sub-algebra of the Boolean algebra 2 U of subsets of U Then ...
12
Properties of Directed Rough Graph
... Directed rough graph is one useful kind of rough ...directed rough graph. Rough network is presented which is a special kind of directed rough ...directed rough graph, ...
5
On bipolar fuzzy rough continuous functions
... fuzzy rough image, bipo- lar fuzzy rough inverse image, bipolar fuzzy rough subspace, bipolar fuzzy rough continuous functions and also prove past- ing lemma for bipolar fuzzy rough ...
6
Vol 2, No 3 (2011)
... One of the most powerful notions in system analysis is the concept of topological structures [2] and their generalizations. Rough set theory, introduced by Pawlak in 1982 [4], is a mathematical tool that supports ...
6
1.Rough convergence in 2-normed spaces
... of rough convergence, rough Cauchy sequence and the set of rough limit points of a sequence and obtained rough con- vergence criteria associated with this set in 2-normed ...between ...
9
Vol 8, No 12 (2017)
... There are many approaches to the problem of how to understand and manipulate imperfect knowledge. The most successful approaches to tackle this problem are the Fuzzy set theory and the Rough set theory. Theories ...
8
_04_Lecture_Presentation.ppt
... Figure 4.4B NUCLEUS: Nuclear envelope Chromatin Nucleolus Golgi apparatus Rough endoplasmic reticulum Ribosomes Peroxisome Central vacuole NOT IN ANIMAL CELLS: Chloroplast Cell wall Pla[r] ...
123