Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Gras, Raymond"'
Publikováno v:
La Houille Blanche; August 1996, Vol. 1996 Issue: 5 p13-18, 6p
Autor:
Gras, Raymond
Publikováno v:
Périodiques Scientifiques en Édition Électronique.
Evaluation of cooling tower blowdown effects on river water quality : waste heat and europhication problems. Estimates are made of heat quantities released through cooling tower blowdown and their effects on the river thermal regime. Methods to be us
Publikováno v:
Périodiques Scientifiques en Édition Électronique.
Présentation succincte des perturbations apportées aux écosystèmes aquatiques par le fonctionnement des centrales thermiques et des aménagements hydrauliques et des méthodes d'évaluation d'impact.
Khalanski M., Gras Raymond, Gosse Ph. Rap
Khalanski M., Gras Raymond, Gosse Ph. Rap
Publikováno v:
Périodiques Scientifiques en Édition Électronique.
Temperature is a major parameter governing changes in water quality and the development of plankton growth in aquatic environments. The text shows the need to simulate biological and biochemical processes throughout a complete annual cycle in order t
Publikováno v:
Périodiques Scientifiques en Édition Électronique.
The quantity of phytoplankton biomass of a river is used as a simple criterion to measure the eutrophication level. The various mechanisms governing phytoplankton growth are described and a computational routine is used to draw abaci which explain th
Autor:
Jacquet, Joseph, Gras, Raymond
Publikováno v:
Périodiques Scientifiques en Édition Électronique.
The mathematical simulation model described makes use of climatological data from the synoptic meteorological network. It is used to calculate excess evaporation from a river due to the operation of a thermal power station. Application of the model t
Autor:
Jacquet, Joseph, Gras, Raymond
Publikováno v:
Périodiques Scientifiques en Édition Électronique.
The energy transfer processes taking place between an expanse of water and atmosphere are reviewed, and a preliminary design method is proposed for the determination of the cooling capacity of a water-plane for various set temperature criteria (natur