Glossary, Page 13

Heating mat

A heating mat is an electric heating pad or tape that is installed under a floor covering (eg ceramic tile, floating floor, linoleum, etc.) in order to provide effective and comfortable thermal insulation in a room. These heating mats…

heating medium

A heating medium is a substance that is used to transfer heat from a heater (such as a boiler, heat pump, or solar system) to heating elements (such as radiators or underfloor heating) in heating systems. Its task is to transfer heat from the…

Heating output

Heating output (often also called thermal output) is a physical quantity that indicates the amount of heat that can be produced or transferred by a heating device, such as a heater, heat pump, boiler or electric heater. This quantity is…

Heating rod

A heating rod is an electrical device used to generate heat. This element is often used in various heating devices, such as water heaters, radiators or dryers. Its main function is to transform electrical energy into heat, which is then…

heating system

Each central heating system consists of a heat source, a characteristic pipe system for heat distribution and a heating element. Special heating systems consist of a heat source and a heating element, which are built into one device and are located…

Heavy metals

Heavy metals are metallic elements with increased density and weight that occur naturally in the earth. Some of them are essential for the normal functioning of organisms in very small amounts, such as iron, zinc, copper, manganese and others.…

HEPA filter

A HEPA filter is a type of air filter. Its name is an acronym from the English high efficiency particulate arrestance, i.e. a highly efficient filter of air particles. This type of air filter is able to remove particles with a size of 300 nanometers…

HEPWORTH

HEPWORTH corporation UK Webová stránka značky: HEPWORTH corporation UK Push-fit Pipe fittings Push-fit pipes and plumbing fittings are a great alternative to traditional fittings. A quick way to replace or repair…

hepworth

Sytém kúrenia HEPWORTH je flexibilný, ucelený a hlavne rozoberatelný inštalačný systém pre podlahové kúrenie, radiátorové kúrenie a rozvody vody. Medzi najväčšie prednosti systému patrí jeho rýchla montáž bez…

HERZ

HERZ, spol. Ltd. was founded already in 1994 by the parent company HERZ Armaturen, Ges.m.b.H. based in Vienna. The mission of our company is the creation of complex solutions for the technical equipment of buildings, through technical design,…

HEWALEX

  HEWALEX has more than 30 years of experience. What sets us apart is innovative production technology and care for the highest quality and efficiency of the products in our offer. We are constantly improving our products to meet the…

hmax

The abbreviation "hmax" is most often used to denote the maximum lift/discharge head (or maximum pumping head) of the pump. In the context of pumps, this value indicates the maximum height to which the pump can pump liquid from a reservoir or…

HNBR

The abbreviation HNBR stands for "Hydrogenated Nitrile Butadiene Rubber" in English, which in Slovak is "Hydrogenated nitrile-butadiene rubber". HNBR is a special type of synthetic rubber with increased resistance to heat, oil, ozone and…

Honeywell

Honeywell has a rich history that began in 1885. Founded by Mark C. Honeywell, it originally focused on manufacturing thermostatic equipment. It gradually grew and expanded its portfolio of products and services. During the 20th century,…

HPC

HPC (High Performance Computing) is an acronym for High Performance Computing, and refers to the use of powerful computers and clusters of computers to solve complex problems that would be difficult or impossible for ordinary computers to…

Hydraulics

Hydraulics or hydraulic drive is a drive system based on pressure energy and the physical incompressibility of a liquid. In the ratio of the size of the components to the transmitted power, they are among the most powerful and most accurate. Among…

Hydrogen potential

pH (hydrogen potential) is a measure of acidity or alkalinity of a solution, i.e. a measure of the concentration of aqueous hydrogen ions (H+) in a given environment. It is a dimensionless value that is measured on a logarithmic scale from 0 to…

Hydrogen sulfide

Hydrogen sulfide (chemical symbol H2S) is a chemical compound formed by two hydrogen atoms bonded together. It is a gaseous element that has many important uses and can also have some disadvantages depending on the context. Types of hydrogen…

hydrometer

A hydrometer is a submersible body, mostly in the shape of a jar, with a protruding stem, in which a scale is placed. The immersion depth of the flask (and therefore also the stem with the scale) in the liquid depends on the density of the liquid.…

hydropower

Hydropower is a type of renewable energy that uses the movement of water, such as rivers, lakes, dams, and oceans, to produce electricity or other forms of energy. This form of energy has a long history of use and provides several advantages in…

hygrostat

A hygrostat is a device that switches or regulates appliances depending on humidity. According to the set humidity value, the device turns on or off the controlled output. Hygrometers (that is, hygrometers or more rarely hygrometers) are used to…

Hysteresis

    Hysteresis, or more recently hysteresis, can be: generally:dependence of some system (also) on its states in the past, see hysteresis (property)the phenomenon that the effect lags behind the causein electrical…

Hysteréza

Hysteréza je fyzikálny a matematický termín, ktorý sa používa na opis určitých javov, kde je chovanie systému závislé na jeho histórii alebo predchádzajúcich podmienkach. Tento termín sa často používa v kontexte materiálových vlastností,…

Charge (physical quantity)

Charge is a physical quantity that describes the property of particles that have an electric charge. It is the basic unit of electric charge. Charge is measured in units called coulombs (C) and is represented by the symbol "Q". Charge…

Chimney

Chimney is a vertical building (or construction) used to discharge flue gases, steam and smoke into the air.   The chimney is mostly used to remove flue gases from buildings. Stoves, furnaces, fireplaces or boilers are connected to it, where…