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NPSH

net positive suction head

technologie et réglementation technique - iate.europa.eu
NPSH est l’abréviation de Net Positive Suction

NPSH, This is the abbreviation for Net Positive Suction Head.

général - CCMatrix (Wikipedia + CommonCrawl)
Le NPSH est l’abréviation de Net Positive Suction Head.

The full form of NPSH is Net positive suction head.

général - CCMatrix (Wikipedia + CommonCrawl)
Le NPSH est l’abréviation de Net Positive Suction Head.

NPSH, This is the abbreviation for Net Positive Suction Head.

général - CCMatrix (Wikipedia + CommonCrawl)
Le NPSH est l’abréviation de Net Positive Suction Head.

It is important to remember the NPSH stands for net POSITIVE suction head.

général - CCMatrix (Wikipedia + CommonCrawl)
Le NPSH est l’abréviation de Net Positive Suction Head.

NPSH is an acronym that stands for Net Positive Suction Head.

général - CCMatrix (Wikipedia + CommonCrawl)
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Multiobjective optimization design and performance prediction of centrifugal pump based on orthogonal test... hydraulic performance of the centrifugal pump, based on the original model, the optimization mathematical model with the four indexes head, efficiency, shaft power, and pump net positive suction head as objective function was established, and the multiobjective optimization design of the centrifugal pump was carried out by orthogonal test....
général - core.ac.uk - PDF: doaj.org
Improved method for calculating pump thermodynamic suppression head... Comparisons of required net positive suction head and thermodynamic suppression head are made for a head coefficient ratio of 0.98
 PDF: hdl.handle.net
System pump net positive suction head requirements."... The amendment request addresses the containment overpressure contribution to emergency core cooling system (ECCS) pump net positive suction head (NPSH) requirements....
 PDF: citeseerx.ist.psu.edu
T'empera!curf and fluid property effeds on cavil'al'ion in aircraft fuel pumps... Consideration is given to the problems of measuring net positive suction head and a novel test technique is described for examining cavitation performance using a closed loop system....
 PDF: citeseerx.ist.psu.edu
Simulation of cavitation performance of an axial flow pump with inlet guide vanes... The effects of inlet guide vanes on pump hydraulic performance and cavitation are investigated, where the total vapor fraction of impeller zone (Ftv) is calculated to predict the critical net positive suction head, which is compared with that predicted by efficiency criterion for different flow rates....
 PDF: doaj.org
NPSH

NPSH

technologie et réglementation technique - iate.europa.eu
Pour un système de pompage donné, il aura un NPSH appelé «NPSH disponible».

For a given pumping system it will have an NPSH called ‘Available NPSH’.

général - CCMatrix (Wikipedia + CommonCrawl)
le NPSH disponible dans le système est plus élevé que le NPSH requis par la pompe.

It needs to be ensured that the NPSH available in the system is larger than the NPSH required to avoid cavitation.

général - CCMatrix (Wikipedia + CommonCrawl)
le NPSH disponible dans le système est plus élevé que le NPSH requis par la pompe.

Ensure that the NPSH available at the pump inlet is greater than the NPSH required by the pump.

général - CCMatrix (Wikipedia + CommonCrawl)
le NPSH disponible dans le système est plus élevé que le NPSH requis par la pompe.

During operation the available NPSH must be maintained at a level greater than the NPSH required by the pump manufacturer.

général - CCMatrix (Wikipedia + CommonCrawl)
Si la pompe doit fonctionner sans cavitation, le «NPSH disponible» doit être supérieur à «NPSH requis».

If the pump needs to work without Cavitation the ‘Available NPSH’ should be greater than ‘Required NPSH’.

général - CCMatrix (Wikipedia + CommonCrawl)

Publications scientifiques

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Ozone interaction with rodent lung. iii. oxidation of reduced glutathione and formation of mixed disulfides between protein and nonprotein sulfhydryls.Nonprotein sulfhydryls (NPSH), a major source of cellular reducing substances, were examined in lung tissue after short-term exposure of rats to O3....
général - core.ac.uk - PDF: www.pubmedcentral.nih.gov
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Long-term variability of the western edge of the north pacific subtropical high and its relation to summer temperatures over japan, 1901-2000... In the post50, a significant positive correlation between temperature andthe meridional displacement of the western edge of the NPSH was observed at the most stations, which indicates that temperatures over...
général - core.ac.uk - PDF: hosei.repo.nii.ac.jp
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Thiol specific and mitochondria selective fluorogenicbenzofurazan sulfide for live cell nonprotein thiol imaging and quantificationin mitochondriaCellular thiols aredivided into two major categories: nonproteinthiols (NPSH) and protein thiols (PSH)....
général - core.ac.uk - PDF: figshare.com
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Association between tissue hypoxia and elevated non-protein sulphydryl concentrations in human cervical carcinoma xenograftsA double staining technique was developed for the simultaneous measurement of tissue hypoxia and the concentration of non-protein sulphydryls (NPSH), based on the fluorinated nitroimidazole EF5 and the fluorescent histochemical NPSH stain 1-(4-chloromercuriphenoylazo)-naphthol-2 (mercury orange)....
général - core.ac.uk - PDF: www.pubmedcentral.nih.gov
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Modifikasi dan pengujian kinerja test bed pompa sentrifugal pada tekanan isap 0,9 bar( modification and performance testing of centrifugal pump testbed in section pressure of 0,9 bar )... From the test results of test bed at the pressure tank 1 = 1 bar and the pressure tank 2 = 1,15 kgf/cm2 with adjusting of the valve is obtained the following data: suction pressure 0,9 bar with maximum flow rate 30 LPM, system head 2,584 m, total head 20,171 m, efficiency of 43,25% and NPSH 9,427 m....
général - core.ac.uk - PDF: core.ac.uk

Synonymes et termes associés français

NPSH

•

charge nette absolue à l'aspiration

•

hauteur de charge nette absolue à l'aspiration

Traductions en contexte français - anglais

Ce réglage est aussi adapté pour minimiser la valeur NPSH.

Select this setting to minimise the NPSH value as well.

général - CCMatrix (Wikipedia + CommonCrawl)
Cette pression minimum requise est le NPSH dis requis ou NPSHr.

The other is the NPSH Required by the pump, or NPSHR.

général - CCMatrix (Wikipedia + CommonCrawl)
Les courbes caractéristiques donnent également la puissance absorbée et le NPSH requis.

The curves also show the power required and the NPSH required.

général - CCMatrix (Wikipedia + CommonCrawl)
Ainsi la pompe aspire depuis le point le plus bas pour optimiser la NPSH.

The pump conveys from the lowest point to optimize the NPSH.

général - CCMatrix (Wikipedia + CommonCrawl)
Cette nouvelle roue améliore sensiblement la capacité d’aspiration (valeur NPSH) des pompes.

This new impeller significantly improves these pumps’ suction characteristics (NPSH value).

général - CCMatrix (Wikipedia + CommonCrawl)
Les pompes devaient présenter un jeu réduit, des vitesses réduites et une valeur NPSH faible.

The pumps also needed to have a reduced width, slow speeds and a low NPSH value.

général - CCMatrix (Wikipedia + CommonCrawl)
La hauteur d'aspiration maximum Hmax et le NPSH sont liés entre eux par l'équation:

The maximum suction depth Hmax and NPSH are linked by the relationship:

général - CCMatrix (Wikipedia + CommonCrawl)
Les valeurs d'ANNa et d'ANNb qui en résultent peuvent être comparées directement à la valeur de NPSH calculée provenant de la marche d'essai.

The resulting ANNa- and ANNb-values can be straightly compared to the calculated NPSH-value from the test drive.

industrie mécanique - wipo.int
Garder le NPSH sous contrôle est très important pour éviter la cavitation dans les pompes cryogéniques.

Keeping the NPSH under control is a key asset to avoid cavitation in cryogenic pumps.

général - CCMatrix (Wikipedia + CommonCrawl)
Elles sont également toutes alimentées par des moteurs économes en énergie et ont un très faible NPSH.

They are also all powered by energy-efficient motors and have a very low NPSH.

général - CCMatrix (Wikipedia + CommonCrawl)
Nos pompes centrifuges sont conçues pour donner le meilleur rendement possible et une faible valeur NPSH requise.

Our centrifugal pumps are designed to provide the optimal performance while only requiring a low NPSH value.

général - CCMatrix (Wikipedia + CommonCrawl)
Et la troisième à NPSh, Nephesh, la vie animale et les désires, correspondant à Yesod, le monde matériel et sensuel.

And the third is Nephesch, NPSh, the animal life and desires, corresponding to Yesod, and the material and sensuous world.

général - CCMatrix (Wikipedia + CommonCrawl)
La valeur NPSH des pompes est automatiquement vérifiée pourvu que les données d'entrée de la pompe aient été saisies.

The NPSH value at pumps is checked automatically if the required parameters have been defined at the pump input.

général - CCMatrix (Wikipedia + CommonCrawl)
Le terme NPSH (Net Positive Suction Head) aide le concepteur à choisir la bonne pompe qui évitera complètement la cavitation.

The term NPSH (Net Positive Suction Head) helps the designer to choose the right pump which will completely avoid Cavitation.

général - CCMatrix (Wikipedia + CommonCrawl)
Est un terme employé pour décrire le phénomène qui se produit dans une pompe quand le NPSH est insuffisamment disponible.

Cavitation is a term used to describe the phenomenon which occurs in a pump when there is insufficient NPSH Available.

général - CCMatrix (Wikipedia + CommonCrawl)


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