# one-dimensional flow

## one-dimensional flow

[′wən di‚men·chən·əl ′flō]
(fluid mechanics)
Fluid flow in which all flow is parallel to some straight line, and characteristics of flow do not change in moving perpendicular to this line.
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GTI) and Wisconsin Engine Research Consultants, LLC (WERC) today announced plans to jointly produce an integrated software product that will combine GTI's GT-POWER and GT-SUITE one-dimensional flow simulation with WERC's combustion modelling in the 3-D KIVA code.
The development of the coathanger die originates in a simplified one-dimensional flow design equation.
Chapter 6 One-Dimensional Flow of Water Through Soils.
19, 20], the existence of periodic solutions in the linearly unstable regime is demonstrated in the case of the one-dimensional flow, without the use of periodic conditions in the direction of the flow.
The above models, which assumed that only one significant flow exists in each control volume, were called one-dimensional flow models.
Some models apply the well-known lubrication approximation to both the cavity(s) and slot(s) of a die (1-9); some models use a one-dimensional flow model, which includes the inertia and gravity terms, in the cavity(s), and the lubrication approximation in the slot(s) (10-12); some models solve the two-dimensional flow inside the slot(s) (13-15); and some models use a three-dimensional numerical approach (16, 17).
The truncated power-law model, in which the power-law model is terminated at the limiting Newtonian viscosities, has been applied to this situation without sacrificing the power-law equations for one-dimensional flow [5, 10, 11].
Water- and Sewerage Authority (VAV) need a software for flood modeling that can be linked dynamically against both drainage models and one-dimensional flow model for water resources.
His topics include optoisolation one-dimensional flow and bifurcation, optoisolation negative differential resistance circuits as a dynamical system, optoisolation circuit two-dimensional flow, optoisolation circuit time period delay differential equation, and optoisolation circuit chaos characteristics.
For one-dimensional flow of perfect gas without any energy loss, the ideal pressure rise for given diffuser can be computed by considering energy conservation.
The author uses worked examples, exercises and analysis techniques to cover such topics as thrust calculations on production aircraft engines, compressible one-dimensional flows and the basics of combustion thermodynamics.
Most popular texts in fluid mechanics primarily present flows that can be approximated as one-dimensional flows, they say, and treat other flows using experimental data.

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