QUE SIGNIFIE DOWNCOMER EN ANGLAIS
Glossaire des termes de la chaudière
Les chaudières pour la production de vapeur ou d'eau chaude ont été conçues sous d'innombrables formes, tailles et configurations. Une terminologie étendue a évolué pour décrire leurs caractéristiques communes. Ce glossaire fournit des définitions pour ces termes. Les termes qui concernent uniquement les chaudières utilisées pour le chauffage des locaux ou la production d'eau chaude sont identifiés par.
définition de downcomer dans le dictionnaire anglais
La définition de downcomer dans le dictionnaire est une pipe qui relie une citerne à un WC, à un lavabo, etc. Aussi appelé: downcome.
MOTS EN ANGLAIS EN RAPPORT AVEC «DOWNCOMER»
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system ·
boiler ·
clearance ·
backup ·
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steam ·
water ·
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been ·
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countless ·
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more ·
oxford ·
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american ·
meaning ·
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10 LIVRES EN ANGLAIS EN RAPPORT AVEC «DOWNCOMER»
Découvrez l'usage de
downcomer dans la sélection bibliographique suivante. Des livres en rapport avec
downcomer et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Handbook Of Separation Process Technology
la) lb) lc) Id) It) FIGURE 5.7-17 Possible downcomer arrangements: (a) vertical
baffle, no recess, no inlet weir (this type is quite common); (b) vertical baffle, no
recess, inlet weir, (c) vertical baffle, recess, no inlet weir; (d) sloped baffle, no
recess ...
Ed Ronald W. Rousseau,
2009
2
Handbook of Petroleum Processing
Allowable Downcomer inlet velocity, ft/sec of clear liq. b. Type downcomer
Inboard Downcomer Width (Inlet and Outlet) d. Outlet Weir Height Valve diameter
is fixed by the vendor 8 to 15 Open area should be set by the designer. In general
, the ...
David S. J. Jones, Peter R. Pujadó,
2006
3
Encyclopedia of Chemical Processing (Print)
... design minimum Total tower cross-sectional area Area of the downcomer,
actual or design Area of the downcomer, top of outboard downcomer Area of the
downcomer, bottom of outboard downcomer Area of the downcomer, top of
inboard ...
4
Distillation and Absorption 2006
A major factor is the feed into the downcomer. A slow gentle feed from a tray with
a 450 mm tray spacing will cause liquid to exit a downcomer differently than a fast
moving liquid falling into a downcomer with a 750 mm tray spacing. This is due ...
5
Rules of Thumb for Chemical Engineers
Another good rule of thumb is that the downcomer area should not be less than
10% of the column area, except at unusually low liquid rates. If a downcomer
area of less than 10% of column area is used at low liquid rate, it should still be at
...
6
Boilers, Evaporators, and Condensers
Pressure drop distribution— 19.7-MPa drum boiler. downcomer hydrostatic head
(0.303 MPa) is compared to the hydrostatic head in the evaporator tubes and
risers to identify the available pumping head. This pumping head is to used to ...
7
Distillation And Absorption
The liquid flows as a dense froth into the downcomer, where the liquid and
vapour separate. The liquid flows down to the tray below while the vapour carried
into the downcomer rises and eventually enters the tray above. Figure 2 shows a
...
8
Simulation of Industrial Processes for Control Engineers
Steam Oullel Riser and Separator Figure 12.2 Schematic of boiler recirculation
loop. from the bottom of the drum into the downcomer pipework by the circulating
pump, which supplies the evaporator. The heat is added to the evaporator ...
9
Flotation Science and Engineering
G. Downcomer Void Fraction Experimental studies by Evans (11) and Marchese
et aL (17,18) have shown that the void fraction (gas holdup) in a Jameson
downcomer is generally in the range 50 to 60% by volume. The downcomer void
...
10
Piping Design Handbook
Entering the graph with known liquid flow quantities, downcomer pipe sizes can
be intersected in the shaded portion of the graph (corresponding velocities can
also be obtained at the same time for calculating Reynolds numbers). The riser ...
10 ACTUALITÉS CONTENANT LE TERME «DOWNCOMER»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
downcomer est employé dans le contexte des actualités suivantes.
Greenland Minerals and Energy's Kvanefjeld pilot plant a success
The hydrodynamic conditions for particle collection inside the downcomer and the separation in the tank are identical between laboratory, pilot ... «Proactive Investors Australia, juin 15»
Tijeras targets emission limits
For each of the kiln systems, modification includes a new gas duct from the cooler vent to the preheater downcomer, a new modular baghouse ... «International Cement Review, avril 15»
Many theatres in Kochi lack fire safety mechanism
Theatres with ground plus a single floor must have a downcomer (an internal hydrant that is connected to a roof tank) used by firemen while ... «The Hindu, oct 14»
Andheri tower blaze: Fire department is playing with fire, and lives
High-rises should have a wet/dry riser (equipment which helps firemen pump water to each floor) and downcomer system (which brings water ... «Mid-Day, juil 14»
CAREM: Argentina's innovative SMR
The coolant exits the steam generators and flows through the downcomer to the lower plenum, closing the circuit. At steady-state conditions, the ... «Nuclear Engineering, mai 14»
The Integral Inherently Safe Light Water Reactor
... turns around in the plenum/pumps area, flows downwards through the PHXs, and after exiting continues through the downcomer to the lower ... «Nuclear Engineering, avril 14»
San Onofre: What Happened And What Must Not Happen Now
... to reduce the void fraction (e.g. using a larger downcomer, using large flow slot design for the tube support plates and even removing a TSP). «CleanTechnica, avril 13»
Inspect boiler drums effectively
Some boiler drums have an opening for a downcomer pipe in the bottom of the head. Check the anti-vortex screen and attachment welds to the ... «Plant Services, juin 12»
COMMENT: Rosatom plans dangerous thermal capacity increases …
Moreover, there is, in the existing design of the steam drum internals, the threat of steam getting caught in the downcomer, which can lead to a ... «Bellona, mars 11»
Under The Hood With Duncan Williams - Mitsubishi's US-APWR
The water then flows down between the reactor vessel (2) and the reactor core tank (4) via a downcomer portion (5). Water continues to flow ... «Nuclear Street - Nuclear Power Portal, janv 10»