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Correction factor to f-chart predictions of active solar fraction in active-passive heating systems

Technical Report ·
OSTI ID:6481818
; ; ; ;
The extent to which a passive system degrades the performance of an active solar space heating system was investigated, and a correction factor to account for these interactions was developed. The transient system simulation program TRNSYS is used to simulate the hour-by-hour performance of combined active-passive (hybrid) space heating systems in order to compare the active system performance with simplified design method predictions. The TRNSYS simulations were compared to results obtained using the simplified design calculations of the f-Chart method. Comparisons of TRNSYS and f-Chart were used to establish the accuracy of the f-Charts for active systems. A correlation was then developed to correct the monthly loads input into the f-Chart method to account for controller deadbands in both hybrid and active only buildings. A general correction factor was generated to be applied to the f-Chart method to produce more accurate and useful results for hybrid systems.
Research Organization:
Wisconsin Univ., Madison (USA)
OSTI ID:
6481818
Report Number(s):
N-84-26127
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140901* -- Solar Thermal Utilization-- Space Heating & Cooling
COMPUTERIZED SIMULATION
ENERGY SYSTEMS
EQUIPMENT
F-CHART
HEATING
HEATING SYSTEMS
HYBRID SYSTEMS
PASSIVE SOLAR HEATING SYSTEMS
PERFORMANCE
SIMULATION
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR HEATING
SOLAR HEATING SYSTEMS