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NBN EN 15255 : 2007

Current
Current

The latest, up-to-date edition.

ENERGY PERFORMANCE OF BUILDINGS - SENSIBLE ROOM COOLING LOAD CALCULATION - GENERAL CRITERIA AND VALIDATION PROCEDURES
Published date

01-12-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
  3.1 Terms and definitions
  3.2 Symbols and units
  3.3 Subscripts
4 Basic assumptions
5 Data requirement
  5.1 General
  5.2 Climatic data
  5.3 Descriptions of the envelope elements
      5.3.1 General
      5.3.2 Boundary conditions
      5.3.3 Heat transfer coefficients
      5.3.4 Geometrical and thermophysical parameters
            of the room envelope
  5.4 Cooling system device
      5.4.1 General
      5.4.2 Convective device
      5.4.3 Cooled surface device
  5.5 Classification of the cooling load calculation
      method
6 Report of the calculation
  6.1 General
  6.2 Input data
  6.3 Output data
7 Validation procedures
  7.1 General
  7.2 Reference room
  7.3 Climatic data
  7.4 Test cases
  7.5 Parameters to be calculated
  7.6 Test results
Annex A (informative) - Example of calculation method
        based on a simplified model
      A.1 Introduction
      A.2 Calculation of internal air and operative
          temperatures for a given value of applied
          cooling power
          A.2.1 Presentation
          A.2.2 Determination of the air and operative
                temperatures
          A.2.3 Terms in Equations (A.1), (A.2), (A.3),
                (A.4) and (A.5)
      A.3 Calculation of internal temperatures and
          required cooling power
          A.3.1 General description
          A.3.2 Calculation procedure for control on
                air temperature
          A.3.3 Calculation procedure for control on
                operative temperature
Bibliography

Sets out the level of input and output data, and prescribes the boundary conditions required for a calculation method of the sensible cooling load of a single room under constant and/or floating temperature taking into account the limit of the peak cooling load of the system.

DocumentType
Standard
PublisherName
Belgian Standards
Status
Current

Standards Relationship
BS EN 15255:2007 Identical
DIN EN 15255:2007-11 Identical
DIN EN 15255 E : 2007 Identical
I.S. EN 15255:2007 Identical
UNI EN 15255 : 2008 Identical
EN 15255:2007 Identical

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