نتایج جستجو برای: fluid absent condition

تعداد نتایج: 574671  

2012
Nargis Khan Tahir Mahmood

Abstract: This paper deals with the influence of slip condition on a thin film flow of a third order fluid. We investigate the thin film flow of non-Newtonian fluid (i) when moves down an inclined plane and (ii) when moves on a moving belt with slip condition using the traditional perturbation technique and HPM. The results obtained using both techniques are compared. The expressions for volume...

Journal: :The Journal of the Association of Physicians of India 2013
Ranjeeta Adhikary Sangeeta Joshi Raj Vigna Venugopa Naveen Ganjoo

Spontaneous (primary) bacterial peritonitis (SBP) due to S. paratyphi A is relatively uncommon. Clinical manifestations of SBP vary widely from severe to slight or absent, necessitating laboratory investigation of ascitic fluid. The disease is confirmed by number of neutrophils > 250/mm3 associated with or without bacterial growth in ascitic fluid culture from diagnostic abdominal paracentesis....

2014
Daniel Heubes Andreas Bartel Matthias Ehrhardt

To confine a spatial domain to a smaller computational domain, one needs artificial boundaries. This work considers the lattice Boltzmann method and deals with boundary conditions for these open boundaries. Ideally, such a condition does not interact with the fluid at all. We present a novel two-dimensional discrete artificial boundary conditions to pursue that goal and we discuss four differen...

Journal: :Clinical chemistry 2014
Nicholas E Heger Mark D Kellogg

Serum contains 1-transferrin, and CSF contains 1 and 2 transferrins. The 2-transferrin in CSF is desialylated because of the presence of neuraminidase in the central nervous system. Hence, 2-transferrin is used as a marker of CSF leakage (1 ). Because 1-transferrin was present in serum but absent in drainage fluid, additional neuraminidase activity was suspected. This suspicion was supported by...

2016
Vadim Ratner Yi Gao Hedok Lee Maiken Nedergaard Helene Benveniste Allen Tannenbaum

It was recently shown that the brain-wide cerebrospinal fluid (CSF) and interstitial fluid exchange system designated the ‘glymphatic pathway’ plays a key role in removing waste products from the brain, similarly to the lymphatic system in other body organs . It is therefore important to study the flow patterns of glymphatic transport through the live brain in order to better understand its fun...

2015
Mohammed H. Kamel Islam M. Eldesoky Bilal M. Maher Ramzy M. Abumandour

Peristaltic pumping induced by a sinusoidal traveling wave in the walls of a two-dimensional channel filled with a viscous incompressible fluid mixed with rigid spherical particles is investigated theoretically taking the slip effect on the wall into account. A perturbation solution is obtained which satisfies the momentum equations for the case in which amplitude ratio (wave amplitude/channel ...

Journal: :British medical journal 1981
M J Whittle A I Wilson C R Whitfield R D Paton R W Logan

A phospholipid profile, the main features of which were the lecithin/sphingomyelin (L/S) ratio and the presence or absence of phosphatidylglycerol (PG), was determined in amniotic fluid from 188 patients. There was a mature profile (L/S ratio of at least 2 . 0 and detectable PG) in 145 patients, including seven insulin-dependent diabetics, and noe of their babies developed respiratory distress ...

Journal: :Queueing Syst. 2001
Hong Chen Heng-Qing Ye

In this paper, we extend the work of Chen and Zhang (2000b) and establish a new sufficient condition for the existence of the (conventional) diffusion approximation for multiclass queueing networks under priority service disciplines. This sufficient condition relates to the weak stability of the fluid networks and the stability of the high priority classes of the fluid networks that correspond ...

2014
Li Lingyan Wang Shanshan

To study the temperature rise of dry-type transformer in different cooling conditions, finite element method is used in this paper to calculate temperature distribution in the transformer. Firstly, thermal-fluid coupled model of a transfomer is built up,and the equivalent heat generation of this model is figured out according to the results of delivery test. Then, thermal-fluid coupled model is...

2008
Anders Olofsson

We consider the Hele-Shaw flow that arises from injection of twodimensional fluid into a point of a curved surface. The resulting fluid domains have and are more or less determined implicitly by a mean value property for harmonic functions. We improve on the results of Hedenmalm and Shimorin [8] and obtain essentially the same conclusions while imposing a weaker curvature condition on the surfa...

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