Справочник ВК, НВК

The application was created for quick access to formulas and theoretical data in the field of hydraulics, water supply, drainage, water supply and sewerage:

- determination of speed in the pipeline by diameter and flow rate;
- selection of pipeline diameter based on flow rate and speed;
- determination of pipeline capacity by diameter and speed;
- hydraulic calculation of pressure pipelines;
- hydraulic calculation of gravity pipelines, channels and trays according to the formula N.N. Pavlovsky;
- determination of coefficient α (SP 30.13330.2020 Internal water supply and sewerage of buildings);
- diameter of the throttle washer (diaphragm) hole;
- maximum distance between pipeline fastening means;
- calculation of rain runoff from the roof of buildings or structures;
- selection of a water meter;
- calculation of pressure losses on electromagnetic flow meters;
- heat consumption for preparing hot water;
- calculation of capacitive water heaters;
- regulating the volume of the heat storage tank in the hot water supply system;
- regulating the volume of a water tank or reservoir;
- regulating volume of hydropneumatic tank;
- depth of installation of external water supply and sewerage pipelines;
- determination of average annual volumes of surface runoff;
- estimated flow of rain and melt water in the collectors of surface drainage networks;
- determination of the thickness of pipeline insulation in order to prevent freezing of the liquid contained in them when its movement stops;
- determining the thickness of the insulation in order to prevent condensation of moisture from the air on the surface of the insulated object;
- determination of the thickness of pipeline insulation based on a given temperature drop of the liquid transported in them;
- determination of insulation thickness at a given temperature on the insulation surface;
- determination of the temperature drop of the liquid transported in an insulated pipeline;
- required pressure of the booster pumping unit;
- pressure unit converter;
- converter of volumetric flow units;
- temperature unit converter;
- plane angle unit converter;
- length unit converter;
- area unit converter;
- volume unit converter;
- converter of energy and heat units;
- power unit converter;
- speed unit converter;
- mass unit converter;
- engineering calculations for engineers, designers, constructors, installers and other specialists in the field of water supply and sewerage systems.