Skip to main content
European Commission logo print header
Zawartość zarchiwizowana w dniu 2019-03-15

THE EFFECT OF UPGRADED INSULATION ON HEATING SYSTEMS AND CONTROL

Cel



THIS PROJECT INVESTIGATES THE PERFORMANCE OF DOMESTIC HEATING SYSTEMS AND THEIR CONTROL TOGETHER WITH THE EFFECTS OF UPGRADED FABRIC INSULATION. EXPERIMENTAL RESULTS OBTAINED WILL PROVIDE DATA FOR THE VERIFICATION OF AN EXISTING COMPUTER SIMULATION MODEL. THIS WILL PRODUCE DESIGN GUIDANCE FOR HEATING INSTALLATIONS AND THEIR CONTROL. THESE INVESTIGATIONS WERE CARRIED OUT FOR A PAIR OF HOUSES IN OXFORDSHIRE (U.K.) AND A SET OF 8 HOUSES IN CAMBRIDGESHIRE (U.K.) SPECIALLY INSTRUMENTED AND EQUIPPED WITH SIMULATED OCCUPANCY.

AN ELECTRONIC ROOM-STAT IS SHOWN TO BE POTENTIALLY WORTHWHILE BUT VERY SMALL (2 %). A FLOW SWITCH WHICH SWITCHES OFF THE BOILER IF THE THERMOSTATIC RADIATOR VALVES THROTTLER THE WATER FLOW, IS RECOMMANDED (SAVINGS OF 4 % ARE POSSIBLE). A WEATHER COMPENSATOR CONTROL, WHERE THE RADIATOR WATER IS INVERSE PROPORTIONAL TO THE OUTDOOR TEMPERATURE, IS SHOWN TO BE OF DOUBTFUL VALUE IN THESE COMPACT HOUSES. FOR BOTH PUMPED AND GRAVITY-FED DOMESTIC HOT WATER SERVICES FULL CYLINDER-STAT CONTROL OF THE HOT WATER TEMPERATURES IS SHOWN TO BE COST-EFFECTIVE.

SAVINGS FROM SECONDARY GLAZING AND SEALED DOUBLE GLAZING UNITS ARE DISCUSSED : MORE WORK BEING REQUIRED FOR THE LATTER BEFORE RELIABLE SAVINGS CAN BE DEDUCED. SOME ACCURATE MEASUREMENTS OF SAVINGS FROM 100 MM AND 200 MM OF LOFT INSULATION INDICATE THAT 200 MM IS COST-EFFECTIVE IN THESE HOUSES. COMPARISONS OF ACTUAL ENERGY CONSUMPTION AGAINST STEADY STATE PREDICTIONS WITH THE COMPUTER SIMULATION MODEL SHOW THAT THIS WORKS WELL FOR THE CAMBRIDGESHIRE HOUSES BUT OVER-PREDICTS FOR THE OXFORDSHIRE HOUSES. DEPARTURES FROM STANDARD U VALUES FOR WINDOWS BEING THE MOST LIKELY CAUSE OF OVER-PREDICTION.

Temat(-y)

Data not available

Zaproszenie do składania wniosków

Data not available

System finansowania

Data not available

Koordynator

Building Research Establishment (BRE)
Wkład UE
Brak danych
Adres
Bucknalls Lane Garston
WD2 7JR Watford
Zjednoczone Królestwo

Zobacz na mapie

Koszt całkowity
Brak danych