5.3.5. Compartments data and results<br>

### 5.3.5. Compartments data and results

For each group of results there is an information concerning project name, theme of displayed results and project data. Compartments data have been presented in tabular form. Results are divided for individual rooms both heated and non-heated, for each of them there is determined a belonging to a flat and number and description of flat.

Compartment temperature θi | temperature in compartment | [°C]
Dimensions |  |
Width of compartment in light “wf” | width of partition measured in light | [m]
Length of compartment in light “lf” | length of partition measured in light | [m]
Compartment area in light Af | area of compartment measured in light | [m2]
Height of storey in axes ho | height of storey measured in axes | [m]
Ceiling thickness dflo | ceiling thickness | [m]
Height in light hf | height of compartment in light | [m]
Cubic capacity of compartment | cubic capacity of compartment measured in light | [m3]
Ground |  |
Depression below ground z’ | depression of floor on the ground under the floor level | [m]
Floor perimeter on the ground | floor perimeter on the ground in compartment | [m]
Compartment floor characteristic dimensions B | characteristic dimension of floor on the ground calculated for a compartment | [m]
Ventilation |  |
Min multiplication factor of vent. air exchanges nmin | min multiplication factor of ventilation air exchanges in compartment | [1/h]
Multiplication factor of air exchanges at difference of 50 Pa n50 | multiplication factor of air exchanges between compartment interior and external environment at pressure difference of 50 Pa depending on building construction and its air-tightness | [1/h]
Shielding coefficient e | shielding coefficient of a building depending on grade of shielding | [ - ]
Height above ground h | height of compartment over the ground calculated in the half of compartment height | [m]
Height correction coefficient ε | height correction coefficient depending on the height of compartment’s middle over the ground level | [ - ]
Stream of blown air Vsup | stream of air blown into compartment on the way of declared mechanical ventilation | [m3/h]
Temperature of blown air „θmech” | temperature of air blown mechanically | [°C]
Temperature reduction factor fV | temperature reduction factor taking into consideration the difference between temperature in compartment and temperature of blown air | [ - ]
Stream of exhausted air Vexh | declared stream of air exhausted on the way of mechanical ventilation | [m3/h]
Temperature of drawn-in air θmech,inf | temperature of air drawn-in from outside into compartment | [°C]
Temperature reduction factor | temperature reduction factor taking into consideration the difference between temperature in compartment and temperature of air flowing from other compartments | [ - ]
Additional thermal power |  |
Vertical warming-up coefficient fRH | coefficient of repeated warming-up is a function of several compartment parameters during warming-up | [W/m2]
Effective building mass cwirk | a value determining the heat accumulation ability of building partitions | [Wh/m3K]
Temperature drop ΔφRH | temperature drop in compartment after temperature reduction phase | [K]
Temperature reduction time tAbs | time of temperature reduction in compartment | [h]
Exchanges multiplication factor in temperature reduction phase nAbs | declared multiplication factor of air in compartment in temperature reduction phase | [1/h]
Warming-up time tRH | time of warming-up in compartment to the value of level before its reduction, determined on the basis of regulatory capabilities of heating system | [h]
Multiplication factor of exchanges in warming-up phase nRH | declared multiplication factor of air exchanges in compartment in warming-up phase | [1/h]

Data of partitions used in compartment

Orient. | orientation of used partition towards cardinal points of the compass | [ - ]
Type | type of use partition pre-defined in program | [ - ]
n | number of partitions | [pc]
b | partition width measured according to dimensions in axes | [m]
h/l | height/length of partition measured according to dimensions in axes | [m]
A | area of partition measured according to dimensions in axes | [m2]
AAbzu | area of sub-partition | [m2]
A’ | external analytical area (net) | [m2]
Zw/Gr | determines the heat loss to... | [ - ]
θos | temperature on the other side of partition | [°C]
ek/bu | correction index depending on partition type | [ - ]
Uo | heat transfer coefficient | [W/m2K]
ΔU | addition because of the presence of heat leakage bridges | [W/m2K]
Uc | corrected heat transfer coefficient taking into consideration a normative addition to Uo coefficient and addition for thermal bridges in partition | [W/m2K]
HT | coefficient of heat loss by penetration | [W/K]
Φ | heat loss through partition | [W]

Heat losses for ventilation in compartment

Min. ventilation air stream Vmin | minimal ventilation air stream | [m3/h]
Infiltration air stream Vinf | stream of air infiltrating into compartment from outside through leaks in windows/doors | [m3/h]
Stream of air blown mechanically Vsu fv,su | stream of air blown mechanically, corrected by temperature coefficient | [m3/h]
Excess of removed air Vmech,inf fv,mech | stream of air blown into compartment as a result of operation of exhaust ventilation, corrected by temperature coefficient | [m3/h]
Stream of ventilation air V | stream of ventilation air flowing into compartment, used for calculations of compartment heat losses | [m3/h]
Heat loss for ventilation HV/ΦV | heat loss for ventilation in compartment | [W]
Total heat loss net ΦNetto | sum of heat losses in compartment by penetration and for ventilation | [W]
Additional heat demand ΦRH | heat demand resulting from declaring of temporary temperature reduction in compartment | [W]
Total heat loss, reduced ΦZred | total heat loss in compartment reduced by heat loss through heated partitions | [W]