To evaluate the issue of optimum control in hydronic radiant floor-heating systems, a comparative study of proportional flux-modulation and various types of temperature-modulation approaches was conducted in a laboratory setting during the 1990-91 heating season. The results showed that proportional flux-modulation favorably compares with temperature-modulation approaches by maintaining a stable indoor temperature around the setpoint and by demonstrating immediate response to any internal load disturbance. Temperature-modulation approaches, on the other hand, showed sensitivity to the reset ratio and boiler water temperature. Indoor temperature feedback was therefore recommended to help compensate for these potential errors.
All Science Journal Classification (ASJC) codes
- Building and Construction
- Mechanical Engineering