The relative room air moisture is derived from the humidity balance. The calculation of volume flow and incoming air temperature takes into account not only the dry load but also the wet load, and the required incoming air status is also computed. Data protection Imprint Deutsch. Worldwide locations The new program also enables the user to perform calculations outside the geographical zone of the VDI Germany tables.
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Calculation of thermal loads and room temperatures design cooling load and annual simulation Order from Beuth Verlag. This will lead to an increase in workload and procurement activities on the part of the planners.
News Fairs Internships Prices. Data protection Imprint Deutsch. There are a number of regulation options that can be considered:. All reports can also be outputted as a PDF file. The user maintains control and retains a good overview; irregularities can be safely localised. This saves the user time, and he can also use most of the data again if he needs to simultaneously calculate the heating load.
There is also the highly convenient option of incorporating complete load profiles, for example for lighting, vei, shade, etc. Thermal comfort factor is becoming an increasingly important vdj.
For lighting, it is possible to select single load recording or to use a global value per square metre.
The following reports are available: Building components such as walls to neighbouring rooms can now be assigned different cooling load and heating load parameters in CAD. In addition to room air temperature, it is possible to base measurements on operative temperature i.
The combined outside temperature is calculated taking into account vdk reflections in the terrestrial vicinity.
Windows application in which the building data, the location, cdi all required building components are defined in a project file. Building data Heating Prof. Neighbouring room temperatures can either be determined statically or they can "oscillate" with adjustable references to outside or inside temperatures.
Worldwide locations The new program also enables the user to perform calculations outside the geographical zone of the VDI Germany tables.
The short cooling load calculation procedure as per VDI is performed by an interactive program with which the user can compute the cooling load of a room or building for predefined vdii conditions. Vdj is only necessary to input the number of persons and their degree of activity. According to requirements, room, zone, level or building reports can be produced.
This requires an extension of the data union between cooling load and heating load.
VDI-Standard: VDI 2078
There are a number of regulation options that can be considered: The program calculates the data required for output, volume flow or incoming air temperature relative to the selected type of computation. Variations can be calculated quickly and simply. It is therefore a great advantage of the new calculation that the building components do not require any layer data, such as thickness, specific heat capacity, density, thermal conductivity, or layer sequence, etc.
In these zones, the user can group individual rooms independently of storeys; he can vi perform zone calculations and observations. The report of the C. This means that projects can be calculated all over the world. Cooling load factors are used for computing in-room storage effects resulting from internal and external radiation loads, while the storage effects in the outside walls and roofs are computed on the basis of equivalent temperature differences.
The generated report has a consciously clear structure, as its aim is to help the user locate precisely the data he requires from the large amount available. The latter allows calculations serving to demonstrate compliance with summertime insulation requirements. Regulating power output Regulating volume flow Regulating volume flow for a source-air system Incoming air temperature regulation Incoming air temperature regulation for a source-air system In addition to room air temperature, it is possible to base measurements on operative temperature i.
Calculation of thermal loads and room temperatures fdi cooling load and annual simulation. For persons, the dry and wet loads are separated and then used automatically in the subsequent part 20078 the program. Abstract This standard serves to determine the cooling load, room air temperature and operative room temperature for rooms of all types with and without air-conditioning, taking into account all relevant parameters influencing the thermal response of 208 room.