Results 261 to 270 of about 1,037,044 (293)
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A semi-empirical convection model for northward IMF

Journal of Atmospheric and Terrestrial Physics, 1986
Abstract Observations of convective electric fields and Birkeland currents during northward IMF are unified in a semi-empirical quantitative model, in which the total potential is regarded as the summation of three parts: φ v , viscous convection with two crescent cells around the polar cap boundary; φ n , positive B z convection with ...
Min-Yun Zi, Chang-Shou Shen
openaire   +1 more source

Generalized semi-empirical modelling of wheat radar response

International Journal of Remote Sensing, 2000
Two semi-empirical models, simulating the backscattering coefficient from different crops, were tested on the same wheat canopy. The physics of the semi-empirical models and the limitations of these models when scattering effects are discussed. The results show that both models can be included in a generalized formulation adapted to a large range of ...
Champion, I., Prevot, Laurent, Guyot, G.
openaire   +3 more sources

Semi-Empirical Models for Buoyancy-Driven Ventilation - A Literature Study

International Journal of Ventilation, 2015
A literature study is presented on the theories and models dealing with buoyancy-driven ventilation in rooms. The models are categorised into four types according to how the physical process is conceived: column model, fan model, neutral plane model and pressure model. These models are analysed and compared with a reference model.
openaire   +2 more sources

Semi-empirical groundwork of the bond-valence model

Acta Crystallographica Section B Structural Science, 1995
The bond-valence model (BVM) which relates the length R of a bond to its bond valence s is a widely used empirical approach to the interpretation and prediction of atomic arrangements in crystals. However, a theoretical foundation of the BVM appears to be fairly inadequate so far.
openaire   +1 more source

Semi-Empirical Modelling of SLD Physics

42nd AIAA Aerospace Sciences Meeting and Exhibit, 2004
William Wright, Mark Potapczuk
openaire   +1 more source

Semi-empirical Helmholtz resonator impedance model

5th AIAA/CEAS Aeroacoustics Conference and Exhibit, 1999
J. Celano, A. Hersh, B. Walker
openaire   +1 more source

Semi-Empirical Satellite Models

2013
Richard Perez   +2 more
openaire   +1 more source

A Semi‐Empirical Model for Dynamic Stall

Journal of the American Helicopter Society, 1989
J. G. Leishman, T. S. Beddoes
openaire   +2 more sources

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