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Definitions

Absorber: A vertical, cylindrical vessel that recovers heavier hydrocarbons from a mixture of predominantly lighter hydrocarbons. Also called absorption tower.

Shock absorber - A mechanical dampener above a perforating gun that attenuates some of the acceleration force created by firing the gun.

Absorber (absorber) - an absorber (fluctuations, gases).

Adsorption - substance absorption by a blanket of a firm or liquid sorbent.

Aero tank (from aero... and English tank - the reservoir) - a row definitely the built pools in system of treatment facilities for sewage in which there is an active silt and where oxygen moves.

Adsorption – concoction of substance (adsorbate) from amount of phases on an interface between them, for example, from gas or solution on a surface of a solid body (adsorbent) or liquid. Is also a special case of sorption.

Air coolers (fig. 1) of general purpose belong to heat exchange and condensations of steam and vapor-liquid environments in engineering procedures of chemical, petrochemical, oil processing, oil and gas industries with pressure of Wednesday from 0,6 to 10 MPas (from 6 to 100 kgfs/cm2) or under vacuum with residual pressure not lower than 665 Pas, with the temperature not higher than + 4000C and viscosity at the exit to 5х10 – 5 sq.m/c are intended for chilling of gases and liquids.

Antifreeze (antifreeze) - the water solutions of alcohols, glycols, glycerin and some salts which aren't freezing at low temperatures and used in an engine cooling system.

Designations and reductions (nomenclature)

ρc

=

continuous phase density, kg/m3;

μc

=

continuous phase dynamic viscosity, kg/(m∙s) or N∙s/m2;

Vc

=

continuous phase velocity, m/s;

dh

=

hydraulic diameter.

Vr

=

drop/rise velocity, m/s;

Vh

=

horizontal water velocity, m/s;

L

=

plate-pack length, m;

dpp

=

plate-pack perpendicular gap spacing, m.

ρw

=

water density, kg/m3;

ρo

=

oil density, kg/m3;

μw

=

water dynamic viscosity, kg/(m∙s) or N∙s/m2;

g

=

gravitational acceleration, 9.81 m/s2;

Do

=

drop diameter, m.

Vm

=

design velocity, m/s;

ρg

=

gas-phase density, kg/m3;

ρl

=

liquid-phase density, kg/m3;

K

=

mesh capacity factor, m/s.

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