DD ENV 308:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Heat exchangers. Test procedures for establishing performance of air to air and flue gases heat recovery devices
Hardcopy , PDF
15-07-1997
English
29-11-1991
0 Introduction
1 Object and field application
2 Normative references
3 Symbols and subscripts
4 Definitions
4.1 Heat recovery device
4.2 Mass flows
4.3 Ratios
4.4 External leakage
4.5 Internal leakage
4.6 Internal exhaust air leakage
4.7 Carry over
4.8 Reference conditions
4.9 Pressures
5 General requirements
5.1 Equipment installation
5.2 External leakage
5.3 Internal exhaust air leakage
5.4 Carry-over
5.5 Temperature and humidity ratios
5.6 Pressure drop
6 Test procedures
6.1 External leakage test
6.2 Internal leakage test
6.3 Carry-over test
6.4 Ratio tests
6.5 Pressure drop tests
6.6 Heat balance
7 Test report
7.1 Heat recovery device
7.2 External leakage
7.3 Internal leakage
7.4 Carry-over
7.5 Temperature and humidity ratios
7.6 Pressure drop
7.7 Other indications
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.