2 edition of Pockels-effect cell for gas-flow simulation found in the catalog.
Pockels-effect cell for gas-flow simulation
by National Aeronautics and Space Administration, Scientific and Technical Information Branch, National Technical Information Service] in Washington, D.C, [Springfield, Va
Written in English
|Series||NASA technical paper -- 2007.|
|Contributions||United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., Lewis Research Center.|
|The Physical Object|
|Pagination||16 p. :|
|Number of Pages||16|
viii Contents Number of Cells Stack Conﬁ guration Distribution of Fuel and Oxidants to the Cells Stack Clamping The second step involves the cell-centered finite volume method and its application to fluid dynamic problems with free surfaces using a volume of fluid approach. Finally, the application of the method for different use cases is presented followed by an introduction to the methodology for the interpretation of the results achieved.
SimFlow CFD Simulation Software. Download SimFlow CFD Software. Download SimFlow and use it for free in an evaluation mode to solve the most complex problems you face as an engineer, scientist or student. Companies. Maybe you use CFD software on a daily basis or maybe just want to start your adventure. Install SimFlow, rediscover the CFD. The Kerr effect, also called the quadratic electro-optic (QEO) effect, is a change in the refractive index of a material in response to an applied electric Kerr effect is distinct from the Pockels effect in that the induced index change is directly proportional to the square of the electric field instead of varying linearly with it. All materials show a Kerr effect, but certain.
In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in static pressure or a decrease in the fluid's potential energy. (Ch.3) (§ ) The principle is named after Daniel Bernoulli who published it in his book Hydrodynamica in Although Bernoulli deduced that pressure decreases when the flow speed increases, it was. Fuel Cell Technology; Hybrid Gas Turbine Fuel Cell Concept; Early Hybrid Gas Turbine Fuel Cell Developments; Dynamic Simulation of Hybrid Systems; Hybrid System Control; Research & Development Needs for Hybrid Gas Turbine Fuel Cell Systems; Acknowledgments; Notes; Axial-Flow Compressors.
How point values are set
U.S.S.R. direct current research
An introductory discourse to a course of lectures on the theory and practice of physic : containing observations on the inductive system of prosecuting medical inquiries, and a tribute to the memory of the late Dr. Benjamin Rush, delivered at the College of Physicians and Surgeons, on the third of November, 1813
Alfred Janniot, 1889-1969
Social safety nets in Bangladesh
War Department Appropriation Bill for 1931.
Three John Everetts and Jehu Everett, North Carolina-Georgia.
The Constitutional Status of Local Government in Other Countries
On the doorway of the Round tower of Kildare
Pockels-effect cell for gas-flow simulation. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va.: National Technical Information Service], A Pockels effect cell using a 75 cu cm DK*P crystal was developed and used as a gas flow simulator.
Index of refraction gradients were produced in the cell by the fringing fields of parallel plate by: 4. ERRATA NASA Technical Paper POCKELS-EFFECT CELL FOR GAS-FLOW SIMULATION David Weimer May Page 1: Equation (1) should be,3 Page 3, reference 8: The author's name should be Ladenburg. Issue date: February 4, Pockels-effect cell for gas-flow simulation.
By D. Weimer. Abstract. A Pockels effect cell using a 75 cu cm DK*P crystal was developed and used as a gas flow simulator. Index of refraction gradients were produced in the cell by the fringing fields of parallel plate : D. Weimer.
Pockels Cell on Stem | Pockels effect | Transverse Pockels cell for demonstrating linear electro-optic effect and measuring half-wave voltage of a lithium niobate crystal.
With accurate, free-moving and smooth angle adjustment for demonstrating double refraction in conjunction with a polar. The particle-source-in-cell (PSI-Cell) model for gas-droplet flows (American Society of Mechanical Engineers. Paper) [Crowe, C. T] on *FREE* shipping on qualifying offers.
The particle-source-in-cell (PSI-Cell) model for gas-droplet flows (American Society of Mechanical Engineers. Paper)Author: C. T Crowe.
Pockels-effect cell for gas-flow simulation / By David. Weimer, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch. and Lewis Research Center. Abstract. STAR Category "May "--Cover."Lewis Research Center."Includes bibliographical of access: Internet.
Molecular Gas Dynamics and the Direct Simulation of Gas Flows (Oxford Engineering Science Series) [Bird, G. A.] on *FREE* shipping on qualifying offers. Molecular Gas Dynamics and the Direct Simulation of Gas Flows (Oxford Engineering Science Series)Cited by: Lecture Introduction to nonlinear optics I.
Petr Kužel Formulation of the nonlinear optics: nonlinear polarization Classification of the nonlinear phenomena • Propagation of weak optic signals in strong quasi-static fields (description using renormalized linear parameters).
Linear electro-optic (Pockels) effect. Quadratic electro-optic File Size: KB. 3 Fuel Cell Model The objective is to model a fuel cell such as the one in Figure 1. The output voltage of the fuel cell is given by: Ec = Er – vact – vohm – vconc (1) where Ec is the fuel cell output voltage, Er is the reverse potential for the cell, vact is the activation potential, vohm is the voltage drop due to ohmic losses and vconc File Size: KB.
The overall fuel cell reaction is also known as the Faradic reaction. A cross section of a typical fuel cell is shown in Fig. Individual cells are joined in series into stacks, anode to cathode bipolar plate, to increase the voltage output. Hydrogen enters the anode channels, permeates the.
CTSP models the transport of molecular and particulate contaminants from their sources to the eventual settling locations in order to estimate the end of life cleanliness levels. The code utilizes a kinetic method in which the contaminants are represented by particles, which are advanced through small time steps.
The Pockels effect (first described in by the German physicist Friedrich Pockels) is the linear electro-optic effect, where the refractive index of a medium is modified in proportion to the applied electric field strength. This effect can occur only in non-centrosymmetric materials.
Book Description. Fuel Cells: Principles, Design, and Analysis considers the latest advances in fuel cell system development and deployment, and was written with engineering and science students in mind. This book provides readers with the fundamentals of fuel cell operation and design, and incorporates techniques and methods designed to analyze different fuel cell systems.
PEM Fuel Cell Modeling and Simulation Using Matlab, provides design engineers and researchers with a valuable tool for understanding and overcoming barriers to designing and building the next generation of PEM Fuel Cells.
With this book, engineers can test components and verify designs in the development phase, saving both time and money. Laser-induced fluorescence was detected by looking along the flow axis. Rotational temperatures were derived from the data using a spectral simulation program .
Figure 3 shows the dependencies of the LIF signal intensity (I) on wavelength O of the exciting laser for gas temperatures of T = K and by: 1.
PEM Fuel Cell Modeling and Simulation Using Matlab, provides design engineers and researchers with a valuable tool for understanding and overcoming barriers to designing and building the next generation of PEM Fuel Cells. With this book, engineers can test components and verify designs in the development phase, saving both time and money.
Pockels effect, 3B Scientific, Pockels Cell on Stem. Transverse Pockels cell for demonstrating linear electro-optic effect and measuring half-wave voltage of a lithium niobate crystal.
In fuel cells, the flow field plates are designed to provide an adequate amount of the reactants (hydrogen and oxygen) to the gas diffusion layer (GDL) and catalyst surface while minimizing pressure drop.
The most popular channel configurations for PEM fuel cells are serpentine, parallel, and interdigitated flow. Some small-scale fuel cells do not use a flow field to distribute the hydrogen. The temperature of the surrounding atmosphere was K.
Computational simulation of flow over an aircraft and in a wake was carried out with ANSYS soft on an unstructured grid with a total number.
Vol Issue 5, May ISSN: X (Print) Characterization of gas flow configurations for phosphoric acid fuel cells. K Pages Papers. Dynamic simulation of the charge-discharge characteristics of the sodium-sulphur cell.
H. Kawamoto Pages Papers. Estimation of current bypass in a bipolar electrode.The Molecular Flow Module is designed to offer previously unavailable simulation capabilities for the accurate modeling of low-pressure gas flows in complex geometries.
It is ideal for the simulation of vacuum systems, including those used in semiconductor .Maurice I. Stewart Jr. PhD, PE, in Surface Production Operations (Third Edition), Volume 2, Deferred Capital Investment.
Gas flow rates often increase over time as more wells are brought online. With traditional technologies, the system design needs to take this later production into account in the initial design; thus, the majority of the equipment is installed before it is even.