文档介绍:Solar aspects of papers
Direct Characterisation test procedure for bisystems – 5th draft
A Report of IEA SHC - Task 26
bisystems
March 2003
Huib Visser
Daniël Naron
Direct Characterisation test procedure for bisystems – 5th draft
by
Huib Visser* and Daniël Naron*
A technical report of Subtask B
* TNO Building and Construction Research
NL-2600 AA Delft, . Box 49
herlands
Contents
1 INTRODUCTION 5
Scope 5
Course of development 5
2 APPARATUS 6
Safety 6
Test facility 6
Scheme of the test facility 6
Overview of sensors 9
Mounting of the bisystem 11
General 11
Connection to the Auxiliary Heating Emulator 11
Connection to the Solar Collector Emulator 11
Piping and insulation 11
Heater as SCE 12
Solar simulator as SCE 12
Heat transfer fluid and flow rate 12
Collector loop controller 12
Connection to the Heat Distribution System Emulator 13
Connection to the tap water draw-off 13
3 THERMAL PERFORMANCE TESTING 13
Principle 13
Test procedure 14
Mounting of the system and additional information from the manufacturer 14
General description of the test procedure 15
Test conditions 16
Ambient air temperature of the heat store 16
Initial conditioning of the heat store 16
Secondary conditioning of the heat store 16
General 16
Initial charge using auxiliary heating 16
Constant space heating discharge 17
Tap water draw-off 17
Final stage of secondary conditioning 18
Core phase 19
General 19
Climate, tap water and space heating load 19
Final conditioning 20
Determination of performance indicators 20
Final energy used 20
Parasitic electricity use 21
4 OUTLOOK AND MENDATIONS 22
5 REFERENCES 22
6 APPENDIX A: TEST CONDITIONS FOR THE SECOND DAY OF THE SECONDARY CONDITIONING PHASE AN