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UNI EN 15255 : 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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ENERGY PERFORMANCE OF BUILDINGS - SENSIBLE ROOM COOLING LOAD CALCULATION - GENERAL CRITERIA AND VALIDATION PROCEDURES
01-03-2018
01-01-2008
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
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