Numerical modeling of inert gas‐condensing vapor thermoacoustic engines

The swelling of irradiated UO2 has been attributed to the migration and agglomeration of fission gas bubbles in a thermal gradient. High temperatures and thermal gradients obtained by electron beam heating simulate reactor behavior and lead to the postulation of swelling mechanisms. Although electron microscopy studies have been reported on UO2, two experimental procedures have limited application of the results: irradiation was achieved either with a stream of inert gas ions without fission or at depletions less than 2 x 1020 fissions/cm3 (∼3/4 at % burnup). This study was not limited either of these conditions and reports on the bubble characteristics observed by transmission and fractographic electron microscopy in high density (96% theoretical) UO2 irradiated between 3.5 and 31.3 x 1020 fissions/cm3 at temperatures below l600°F. Preliminary results from replicas of the as-polished and etched surfaces of these samples were published.

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Prediction of LPCVD silicon film microstructure from local operating conditions using numerical modeling

Journal de Physique IV (Proceedings) ◽

10.1051/jp4:1999822 ◽

1999 ◽

Vol 09 (PR8) ◽

pp. Pr8-181-Pr8-188 ◽

Cited By ~ 1

Author(s):

A. Dollet ◽

B. Caussat ◽

J. P. Couderc

Keyword(s):

Numerical Modeling ◽

Silicon Film ◽

Operating Conditions ◽

Film Microstructure

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Investigation of Morphosedimentary Processes on a Schematic Louisiana Barrier Island Using Process-Based Numerical Modeling

Coastal Sediments '07 ◽

10.1061/40926(239)51 ◽

2007 ◽

Author(s):

T. Campbell ◽

B. de Sonneville ◽

L. Benedet ◽

D. J. W. Walstra ◽

C. W. Finkl

Keyword(s):

Numerical Modeling ◽

Barrier Island

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Numerical Modeling of Hurricane-Induced Extreme Wave Heights in Pensacola Bay

Coastal Hazards ◽

10.1061/9780784412664.007 ◽

2013 ◽

Author(s):

Wenrui Huang ◽

Yuan He ◽

Shuguang Liu

Keyword(s):

Numerical Modeling ◽

Extreme Wave ◽

Wave Heights

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SIMULATION OF ELECTRICAL MONITORING OF DAMS WITH LEAKAGE WITH A TRANSVERSE PLACEMENT OF THE MEASURING INSTALLATION

Eurasian Journal of Mathematical and Computer Applications ◽

10.32523/2306-6172-2020-8-4-69-82 ◽

2020 ◽

Vol 8 (4) ◽

pp. 69-82

Author(s):

D.S. Rakisheva ◽

◽

B.G. Mukanova ◽

I.N. Modin ◽

◽

...

Keyword(s):

Numerical Modeling ◽

Water Level ◽

Electrical Resistivity Tomography ◽

Resistivity Tomography ◽

Measuring Installation ◽

Basic Functions ◽

Tomography Method ◽

Dam Monitoring ◽

The Mathematical Model ◽

Measurement Line

Numerical modeling of the problem of dam monitoring by the Electrical Resistivity Tomography method is carried out. The mathematical model is based on integral equations with a partial Fourier transform with respect to one spatial variable. It is assumed that the measurement line is located across the dam longitude. To approximate the shape of the dam surface, the Radial Basic Functions method is applied. The influence of locations of the water-dam, dam-basement, basement-leakage boundaries with respect to the sounding installation, which is partially placed under the headwater, is studied. Numerical modeling is carried out for the following varied parameters: 1) water level at the headwater; 2) the height of the leak; 3) the depth of the leak; 4) position of the supply electrode; 5) water level and leaks positions are changing simultaneously. Modeling results are presented in the form of apparent resistivity curves, as it is customary in geophysical practice.

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