Библиотека

— A centre for the reception, sorting, packaging, cooling, storing and dispatch of vegetables.

— In a flowing fluid, the height of fluid equivalent to the velocity pressure.

— The velocity (local or average) characterizing the circulation of a fluid in a pipe or canal, or across an orifice.

— The pressure over the static pressure of a fluid resulting from the conversion of kinetic energy into pressure energy when the fluid is stopped by an obstacle.

— A graph which represents, in a plane section, the velocity distribution in a flowing fluid.

— A method in which ducts are sized so that selected velocities occur in specific duct lengths.

— A small opening in the wall of a vapour proofed space allowing moisture contained in the insulation to escape.

— A false ceiling perforated with regularly spaced holes so as to provide homogeneous air distribution into a room or space.

— A closed vehicle, the body of which has openings for entry and exit of air, or which is fitted with fans.

— The process of supplying or removing air, by natural or mechanical means to or from any space.