نتایج جستجو برای: chamber geometry

تعداد نتایج: 184904  

Journal: :International Journal of Chemical Engineering 2022

Micromixers are crucial parts of microfluidic systems when it comes to efficiency and precision, as mixing is the central process in most relevant applications, including medical diagnosis, chemical production, drug discovery. In view importance improving quality, for first time, present work investigates simultaneous effects chamber geometry (circular, hexagonal, octagonal), electric field fre...

2004
Edward A Silverstein

“As a graduate student at the University of Wisconsin in Madison in low energy nuclear physics, I wished to design a small volume gas scattering chamber with the detector system outside the chamber while at the same time permitting a continuous choice of scattering angle. This could be accomplished by bringing the detector up out of the horizontal plane and pointing it at the center of the cham...

A. Qadir, M. Afzal, M.N. Anjum,

Background: The dosimetric performance of Eclipse 6.5 three dimensional treatment planning system (3DTPS) is evaluated by comparing the calculated and measured dose in two dimensions following the guide lines of American Association for Physicists in Medicine Task Group 53. Materials and Methods: The calculations were performed by the 3DTPS for symmetric as well as asymmetric fields for standar...

2009
S. Ting P. Thavendiranathan H. Houle G. Pedrizzetti S. V. Raman M. Vannan O. Simonetti

Introduction: Characterization of turbulence phenomena in fluid transport systems is useful in understanding energy conservation, dissipation, and exchange. Vortices, structures exhibiting circular or swirling motion, are central in defining flow fields and flow structure. Formation of vortices and changes in their structure are determined by structural geometry of the system as well as other g...

2010
Kai Knoerzer Pascal Baumann Roman Buckow

8 An important component of the Pulsed Electric Field (PEF) technology is the 9 treatment chamber in which the food is exposed to high electric field pulses. A 10 detailed knowledge of the electric field strength and the induced temperature 11 distribution in the chamber is essential to achieve efficient and gentle pasteurisation. 12 Experimental determination of such distributions is extremely...

2006
Yukinobu Toda

In this paper, we describe the spaces of stability conditions for the triangulated categories associated to three dimensional Calabi-Yau fibrations. We deal with two cases, the flat elliptic fibrations and smooth K3 (Abelian) fibrations. In the first case, we will see there exist chamber structures similar to those of the movable cone used in birational geometry. In the second case, we will com...

Journal: :Circulation. Cardiovascular imaging 2017
Rohan Samson Thierry H Le Jemtel

The complex geometry and structure of the right ventricular (RV) cavity make the assessment of RV function and volumes by 2-dimensional (2D) echocardiography arduous. Highly trabeculated endocardial border and bellows-like contractile pattern are not explicitly imaged by 2D echocardiography. Furthermore, the retrosternal position of the right ventricle hinders its visualization, and minimal cha...

2008
S. Pei A. Seryi T. O. Raubenheimer

To achieve super high luminosity, high current beams with very short bunch length are needed, which carry high intensity EM fields. For ILC, two bunch trains with bunch length of 300μm and bunch charge of 3.2nC are needed to collide at the IR to achieve the ILC luminosity goals. When the 300μm bunches pass through the IR chamber, wakefields will be excited, which will cause HOM power flowing th...

2010
Elena Bianchi Federica Boschetti Gabriele. Dubini Carlotta Guiducci

A finite elements model of an interdigitated microsensor has been used to investigate the sensitivity of the sensor to the detection and the quantification of cells flowing in a test chamber. In particular the sensitivity of the sensor towards the geometry of sensors and the presence of a cell flowing through the channels was evaluated; several sensors topologies were considered in order to def...

Journal: :The Review of scientific instruments 2008
Robert A Hardin Earl E Scime John Heard

A compact and portable 300 GHz collective scattering diagnostic employing a homodyne detection scheme has been constructed and installed on the hot helicon experiment (HELIX). Verification of the homodyne detection scheme was accomplished with a rotating grooved aluminum wheel to Doppler shift the interaction beam. The HELIX chamber geometry and collection optics allow measurement of scattering...

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