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1 steady flow
écoulement permanent m, régime permanent m, régime permanent (liquide) mDictionary of Engineering, architecture and construction > steady flow
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2 uniform steady flow
English-French dictionary of Geography > uniform steady flow
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3 flow
flow [fləʊ]circulation ⇒ 1 (a), 1 (b) écoulement ⇒ 1 (a) flux ⇒ 1 (b), 1 (e) mouvement ⇒ 1 (b) flot ⇒ 1 (d) couler ⇒ 2 (a), 2 (d) circuler ⇒ 2 (b), 2 (h)1 noun(a) (of liquid) circulation f; (volume of liquid) volume m; (of river) écoulement m; (of lava) coulée f; (of tears) ruissellement m; (of blood → in veins) circulation f; (→ from wound) écoulement m; (of air, fuel etc) passage m, arrivée f; Electricity (of current) passage m;∎ the decreasing flow of oil from the North Sea la quantité décroissante de pétrole en provenance de la mer du Nord(b) (amount → of traffic, people, information, work) flux m; (→ of ideas) flot m; (movement → of work) acheminement m; (→ of information) circulation f; Finance (→ of capital) mouvement m;∎ there is normally a very heavy flow of traffic here il y a généralement beaucoup de circulation ou une circulation intense par ici;∎ a steady flow of immigrants un courant ininterrompu d'immigration;∎ figurative to go with the flow suivre le mouvement;∎ flow of funds mouvement m de fonds;∎ flow of money flux m monétaire(c) (of dress, cape) drapé m(d) (of prose, novel, piece of music) flot m;∎ to be in full flow (orator) être en plein discours;∎ there's no stopping him once he's in full flow il n'y a pas moyen de l'arrêter quand il est lancé;∎ to follow the flow of sb's argument suivre le fil de l'argumentation de qn(e) (of the tide) flux m∎ the river flows into the sea la rivière se jette dans la mer;∎ I let the waves flow over me j'ai laissé les vagues glisser sur moi;∎ blood was still flowing from the wound le sang continuait à couler ou s'écouler de la blessure;∎ a lot of blood will flow before peace is established beaucoup de sang sera versé avant que la paix ne soit rétablie;∎ I could feel a new vital force flowing through my veins je sentais un regain de force vitale m'envahir;∎ the tears flowed down her cheeks les larmes coulaient sur ses joues;∎ figurative I let the sound of the music just flow over me j'ai laissé la musique m'envahir(b) (traffic, crowd) circuler, s'écouler;∎ new measures designed to enable the traffic to flow more freely de nouvelles mesures destinées à rendre la circulation plus fluide;∎ the traffic isn't flowing as it should la circulation n'est pas aussi fluide qu'elle devrait l'être(c) (hair, dress) flotter∎ this essay doesn't flow very well cette dissertation n'est pas très fluide;∎ Music play it this way, it flows better joue-le comme ça, ça coule mieux;∎ in order to keep the conversation flowing pour entretenir la conversation∎ the whisky flowed freely le whisky a coulé à flots;∎ ideas flowed fast and furious les idées fusaient de tous côtés∎ decisions flowing from head office les décisions qui proviennent ou émanent du siège social;∎ God from whom all blessings flow Dieu, de qui découlent toutes les grâces►► flow diagram organigramme m, graphique m d'évolution; Computing ordinogramme m;Computing flow path branche f de traitement;flow pipe conduite f montante;Accountancy flow sheet feuille f d'avancement(liquid) s'écouler(water) refluer; (in pipe etc) regorger(water, liquid) entrer, s'écouler; (contributions, messages of sympathy, people) affluer(water, liquid) sortir, s'écouler; (people, crowds) s'écouler;∎ the sewage then flows out of the pipe into the lake les égouts se déversent ensuite du conduit dans le lac -
4 flow
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5 stream
stream [stri:m]1 noun∎ mountain stream torrent m∎ to go with the stream aller au fil de l'eau; figurative suivre le courant ou le mouvement;∎ also figurative to go against the stream aller à contre-courant(c) (flow → of liquid) flot m, jet m; (→ of air) courant m; (→ of blood, lava) ruisseau m, flot m, cascade f, torrent m; (→ of people, traffic) flot m, défilé m (continu); (→ of tears) ruisseau m, torrent m;∎ the vent sent out a stream of hot air du conduit s'échappait un courant d'air chaud;∎ a stream of water shot out of the tap l'eau jaillit à flot du robinet;∎ a red hot stream of lava flowed down the mountain une coulée de lave incandescente descendait le flanc de la montagne;∎ there was a continuous stream of visitors il y avait un défilé continu ou ininterrompu de visiteurs;∎ streams of wellwishers have been arriving all day des flots de sympathisants sont arrivés tout au long de la journée;∎ we've received a steady stream of applications nous avons reçu un flot incessant de candidatures;∎ she unleashed a stream of insults elle lâcha un torrent d'injures∎ to be on/off stream être en service/hors service;∎ to come on stream être mis en service∎ we're in the top stream nous sommes dans la section forte∎ the wall was streaming with condensation, condensation streamed down the wall la condensation ruisselait le long du mur;∎ tears streamed down her face des larmes ruisselaient sur son visage;∎ the onions made her eyes stream les oignons l'ont fait pleurer;∎ sunlight streamed into the room le soleil entra à flots dans la pièce∎ flags were streaming in the wind des drapeaux flottaient au vent;∎ her long hair streamed (out) behind her ses longs cheveux flottaient derrière elle(c) (people, traffic)∎ to stream in/out entrer/sortir à flots;∎ cars streamed out of the city in their thousands des milliers de voitures sortaient de la ville en un flot ininterrompu;∎ I watched as the demonstrators streamed past je regardai passer les flots de manifestants∎ to stream blood/tears ruisseler de sang/de larmes►► Literature stream of consciousness monologue m intérieur;∎ a stream of consciousness novel un roman qui utilise la technique du monologue intérieur -
6 stream
stream [stri:m]1. nouna. ( = brook) ruisseau mb. ( = current) courant m• to be/go on stream être/entrer en service• the top/middle/bottom stream la section forte/moyenne/faiblea. [water, tears, oil, milk, blood] ruisseler• to stream with blood/tears ruisseler de sang/de larmes• cold air/sunlight streamed through the window l'air froid/le soleil entra à flots par la fenêtreb. to stream in/out/past [people, cars] entrer/sortir/passer à flotsa. to stream blood/water ruisseler de sang/d'eaub. [+ pupils] répartir par niveauc. (Internet) lire en temps réel or en streaming* * *[striːm] 1.1) ruisseau m2) figa stream of — un flot de [traffic, customers, questions]; un jet de [light]; une coulée de [lava]; un écoulement de [water]
3) GB, School groupe m de niveau2.the top/middle/bottom stream — le groupe des élèves forts/moyens/faibles
transitive verb GB, School répartir [quelque chose/quelqu'un] en groupes de niveau3.1) ( flow) ruisseler2) ( move)3) [banners, hair]4) [eyes, nose] couler -
7 trickle
trickle [ˈtrɪkl]1. noun[of water, blood] filet m[water] ( = drop slowly) tomber goutte à goutte ; ( = flow slowly) dégouliner• to trickle in/away [people] entrer/s'éloigner petit à petit* * *['trɪkl] 1.noun ( of liquid) filet m; (of powder, sand) écoulement m; (of investment, orders) petite quantité f; ( of people) petit nombre m2.to trickle down — dégouliner le long de [pane, wall]
to trickle from — couler de [tap, spout]
to trickle into — [liquid] s'écouler dans [container]; [people] s'infiltrer dans [country, organization]; [ball] rouler dans [net]
to trickle out of — [liquid] suinter de [crack, wound]
Phrasal Verbs: -
8 длительный допустимый ток
- courant permanent admissible, m
- courant admissible, m
(длительный) допустимый ток
Максимальное значение электрического тока, который может протекать длительно по проводнику, устройству или аппарату при определенных условиях без превышения определенного значения их температуры в установившемся режиме
[ ГОСТ Р МЭК 60050-826-2009]
Этот ток обозначают IZ
[ ГОСТ Р 50571. 1-2009 ( МЭК 60364-1: 2005)]EN
(continuous) current-carrying capacity
ampacity (US)
maximum value of electric current which can be carried continuously by a conductor, a device or an apparatus, under specified conditions without its steady-state temperature exceeding a specified value
[IEV number 826-11-13]
ampacity
The current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
[National Electrical Cod]FR
courant (permanent) admissible, m
valeur maximale du courant électrique qui peut parcourir en permanence, un conducteur, un dispositif ou un appareil, sans que sa température de régime permanent, dans des conditions données, soit supérieure à la valeur spécifiée
[IEV number 826-11-13]Ampacity, the term is defined as the maximum amount of current a cable can carry before sustaining immediate or progressive deterioration. Also described as current rating or current-carrying capacity, is the RMS electric current which a device can continuously carry while remaining within its temperature rating. The ampacity of a cable depends on:
- its insulation temperature rating;
- conductor electrical properties for current;
- frequency, in the case of alternating currents;
- ability to dissipate heat, which depends on cable geometry and its surroundings;
- ambient temperature.
Electric wires have some resistance, and electric current flowing through them causes voltage drop and power dissipation, which heats the cable. Copper or aluminum can conduct a large amount of current before melting, but long before the conductors melt, their insulation would be damaged by the heat.
The ampacity for a power cable is thus based on physical and electrical properties of the material & construction of the conductor and of its insulation, ambient temperature, and environmental conditions adjacent to the cable. Having a large overall surface area may dissipate heat well if the environment can absorb the heat.
In a long run of cable, different conditions govern, and installation regulations normally specify that the most severe condition along the run governs the cable's rating. Cables run in wet or oily locations may carry a lower temperature rating than in a dry installation. Derating is necessary for multiple circuits in close proximity. When multiple cables are near, each contributes heat to the others and diminishes the amount of cooling air that can flow past the individual cables. The overall ampacity of the insulated conductors in a bundle of more than 3 must be derated, whether in a raceway or cable. Usually the de-rating factor is tabulated in a nation's wiring regulations.
Depending on the type of insulating material, common maximum allowable temperatures at the surface of the conductor are 60, 75 and 90 degrees Celsius, often with an ambient air temperature of 30°C. In the U.S., 105°C is allowed with ambient of 40°C, for larger power cables, especially those operating at more than 2 kV. Likewise, specific insulations are rated 150, 200 or 250°C.
The allowed current in cables generally needs to be decreased (derated) when the cable is covered with fireproofing material.
For example, the United States National Electric Code, Table 310-16, specifies that up to three 8 AWG copper wires having a common insulating material (THWN) in a raceway, cable, or direct burial has an ampacity of 50 A when the ambient air is 30°C, the conductor surface temperature allowed to be 75°C. A single insulated conductor in air has 70 A rating.
Ampacity rating is normally for continuous current, and short periods of overcurrent occur without harm in most cabling systems. The acceptable magnitude and duration of overcurrent is a more complex topic than ampacity.
When designing an electrical system, one will normally need to know the current rating for the following:- Wires
- Printed Circuit Board traces, where included
- Fuses
- Circuit breakers
- All or nearly all components used
Some devices are limited by power rating, and when this power rating occurs below their current limit, it is not necessary to know the current limit to design a system. A common example of this is lightbulb holders.
[http://en.wikipedia.org/wiki/Ampacity]
Тематики
- электротехника, основные понятия
Синонимы
EN
DE
- Dauerstrombelastbarkeit, f
- Strombelastbarkeit, f
FR
- courant admissible, m
- courant permanent admissible, m
Русско-французский словарь нормативно-технической терминологии > длительный допустимый ток
См. также в других словарях:
steady flow — nuostovusis tekėjimas statusas T sritis chemija apibrėžtis Skysčio arba dujų judėjimas, kurio parametrai kiekviename taške laikui bėgant nekinta. atitikmenys: angl. stationary flow; steady flow rus. установившееся течение … Chemijos terminų aiškinamasis žodynas
steady flow — nuostovusis tekėjimas statusas T sritis fizika atitikmenys: angl. stationary flow; steady flow vok. beständige Strömung, f; stationäre Strömung, f rus. стационарное течение, n; установившееся течение, n pranc. écoulement continu, m; écoulement… … Fizikos terminų žodynas
steady flow — nuostovusis tekėjimas statusas T sritis Standartizacija ir metrologija apibrėžtis Tekėjimas, kurio parametrai (greitis, slėgis, tankis ir temperatūra) laikui bėgant beveik nekinta, todėl neturi poveikio reikalaujamam matavimo tikslumui.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
steady flow — Flow where the velocity at a point remains constant with respect to time [16] … Lexicon of Cave and Karst Terminology
steady flow — noun Etymology: steady (I) : a flow in which the velocity of the fluid at a particular fixed point does not change with time called also stationary flow; compare uniform flow … Useful english dictionary
steady flow — regular flow, constant flow, fixed movement … English contemporary dictionary
non-steady flow — nenuostovusis tekėjimas statusas T sritis fizika atitikmenys: angl. non stationary flow; non steady flow; unsteady flow vok. instationäre Strömung, f; nichtstationäres Fließen, n; unstabile Strömung, f rus. нестационарное течение, n;… … Fizikos terminų žodynas
flow — [fləʊ ǁ floʊ] verb [intransitive] 1. if money flows somewhere, such as into a bank account or into a particular country, it is moved there: flow from/into/between etc • A record $10 billion in foreign capital flowed into Mexican stocks last… … Financial and business terms
flow — flow1 W2S2 [fləu US flou] n ▬▬▬▬▬▬▬ 1¦(liquid/gas/electricity)¦ 2¦(traffic)¦ 3¦(goods/people/information)¦ 4¦(speech/writing)¦ 5¦(of the sea)¦ 6 in full flow 7 go with the flow 8 go against the flow ▬▬▬▬▬▬▬ 1.) … Dictionary of contemporary English
steady — ▪ I. steady steady 2 verb steadied PTandPP [intransitive, transitive] to stop increasing or decreasing and stay about the same, or to make something do this: • The dollar has steadied after early losses on the money markets. • Some cautious… … Financial and business terms
flow — flow1 [ flou ] noun *** 1. ) count or uncount the continuous movement of a liquid in one direction: drugs that improve the blood flow around the body flow of: Leaves in the ditch were blocking the flow of water. a ) the continuous movement of a… … Usage of the words and phrases in modern English