Weak current College】 【HVAC professional English CRT (11).

General provisions
The first article for unified 1.0.1 for heating, ventilation and air conditioning engineering terminology and interpretation, terminology standardization, in order to facilitate domestic and international technical communication, promotion of heating, ventilation and air conditioning technology, specially developed this standard.

The 1.0.2 article this standard applies to heating, ventilation and air conditioning and refrigeration engineering design, scientific research, construction, inspection, teaching and maintenance management.

The 1.0.3 to select the standard primarily for heating, ventilation and air conditioning engineering common terminology. Implementation of this standard, the country still should comply with existing relevant standards.

Chapter 2 indoor and outdoor calculation parameters

The first section of general terms

Section 2.1.1 designconditions calculation parameters

Especially design calculation used for characterization of air or change process and the physical quantity of solar radiation. Common calculation parameters are dry-bulb temperature, wet bulb temperature, moisture content, enthalpy, wind speed and pressure, etc.

Section 2.1.2 of the indoor and outdoor indoorandoutdoor-designconditions calculation parameters

Design calculation process used in the calculation of parameters of the indoor air, outdoor air calculation parameters and solar irradiance parameter.

Section 2.1.3 of the air temperature airtemperature

Exposure to the air but is not subject to direct radiation thermometer temperature indicated. Generally refers to the dry-bulb temperature.

Section 2.1.4, dry-bulb temperature dry-bulbtemperature

Dry-bulb thermometer temperature indicated.

Section 2.1.5 wet bulb temperature wet-bulbtemperature

Wet bulb thermometer temperature indicated.

2.1.6 black bulb temperature blackglobetemperature

Black bulb thermometer temperature indicated.

2.1.7 of dew point temperature dew-pointtomperature

The atmospheric pressure must be, a moisture content of unsaturated air saturated due to cooling temperature.

Section 2.1.8 bar air humidity airhumidity

Characterization of how much water vapor content in the air or dry and wet the degree of physical quantities.

The absolute humidity absolutehumidity 2.1.9

The unit volume of humid air in the quality of water vapor.

The article relative humidity relativehumidity 2.1.10

Air actual water vapour partial pressure and the temperature of the air saturated State water vapour partial pressure ratio, expressed as a percentage.

Chapter 2.1.11 bar calendar year value annual [value]

Year-to-value. Especially the integration of meteorological information, given a previous year of a year in the average value of a certain period or extreme.

The first section 2.1.12 leinian value normals

For many years. Especially the integration of meteorological information, given a previous year and an average time of cumulative or extreme.

The coldest month of the calendar year maximum 2.1.13 annualcoldestmonth

Each of the monthly average temperature minimum month.

The hottest 2.1.14 bar calendar month annualhottestmonth

Each year, the highest monthly average temperature of the month.

The first section 2.1.15 leinian most cold normalcoldestmonth

Leinian monthly average temperature minimum month.

The hottest article leinian 2.1.16, normalhottestmonth

Leinian monthly average temperature for the month of the most high.

The coldest 2.1.17 article leinian three months normalcoldest3-monthperiod; normalthreewintermonths

Leinian yearly average temperature is lowest in three months.

The hottest 2.1.18 article leinian three months normalhottest3-monthperiod; normalthreesummermonths

Leinian monthly average temperature maximum of three months.