Results 101 to 110 of about 1,514,329 (231)

Macroscopic Balance Equations [PDF]

open access: yes, 2001
A balance equation accounts for changes in an extensive quantity (such as mass or energy) that occur in a well-defined region of space, called the control volume (CV). The control volume is set off from its surroundings by boundaries, called control surfaces (CS). These surfaces may coincide with real surfaces, or they may be mathematical abstractions,
openaire   +1 more source

THE ECOLOGIC BALANCE IN THE EQUATION OF THE DURABLE DEVELOPMENT [PDF]

open access: yes
In the pure ethnic and economic logic of the development, like it was in general create till not long ago, the environment medium and the natural resources have been considered simple instruments which served to the economic increase.
Boncea Amelia, Rabontu Cecilia Irina
core  

Towards soliton solutions of a perturbed sine-Gordon equation

open access: yes, 2005
We give arguments for the existence of {\it exact} travelling-wave (in particular solitonic) solutions of a perturbed sine-Gordon equation on the real line or on the circle, and classify them.
D'Anna, Armando   +2 more
core  

Periodic Moving Track Analysis of Spiral Oil Wedge Journal Bearing under Dynamic Loading

open access: yesJournal of Applied Fluid Mechanics, 2018
The moving track of journal bearing changes with the time in the condition of dynamic loading. The force balance equation of journal bearing is established, and the generalized Reynolds equation, the oil film thickness equation of spiral oil wedge ...
L. L. Wang   +3 more
doaj  

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