National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Lumped Water Balance Rainfall-Runoff Model Within a Daily Computational Time Step
Bednář, Martin ; Marton, Daniel
This paper aims to show the developed software representing a lumped water balance rainfall-runoff hydrological model. The software allows the user to create a simulation model of the rainfall-runoff process in any catchment for which the user can provide the necessary measured climatological and hydrological data. The calibrated model then can be used to predict runoff from the catchment based on the predicted input data, allowing for some analysis of the impact of climate change on hydrological conditions in the landscape. The model is developed and tested on a part of the Thaya river catchment, the part above the Vranov reservoir.
Experimentální studie o matematickém modelování velmi rychlého pneumatického systému
Hrubý, Jan ; Šmíd, Bohuslav ; Pavelka, Miroslav ; Krejčí, A. Petr
We provide some general considerations for design, mathematical modeling, and experimental testing of pneumatic systems with typical transient times of 1 ms. The gas flow is typically critical or near-critical, with significant compressibility effects. We provide a lumped model of a pneumatic system, incorporating the balances of mass, energy and momentum. We show that inertia of the gas plays an important role. For a particular system, designed for application in fundamental research of aerosol particles, we show a reasonable agreement of the lumped model with experimental test of the prototype.

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