Dataset for "Autonomous PV-Powered Smart Windows: Active Glass Heating in NZEB Applications"

Dataset for "Autonomous PV-Powered Smart Windows: Active Glass Heating in NZEB Applications" PROJECT INFORMATION - Granting Agency: National Science Centre (NCN), Poland - Grant Scheme: MINIATURA 9 - Grant Number: DEC-2025/09/X/ST8/00339 - Project Title: Integracja fotowoltaiki z oknami ogrzewanymi elektrycznie: pilotażowe badanie w celu zwiększenia efektywności energetycznej budynków (Integrating photovoltaics with electrically heated windows: a pilot investigation for enhanced building energy efficiency) -Principal investigator: Dr. Hanna Koshlak - Institution: Kielce University of Technology, Faculty of Environmental Engineering, Geodesy, and Renewable Energy, Kielce, Poland This open-access dataset contains raw and processed high-temporal-resolution experimental time-series logs supporting the research paper presented at the "CONECT conference: "Autonomous PV-Powered Smart Windows: Active Glass Heating in NZEB Applications" Available at: https://ect-journals.rtu.lv/conect/article/view/CONECT.2026.001 The dataset package consists of the following data files: 1) climatic_chamber_high_res_timeseries.csv - Resolution: Minute-by-minute logs (720 records) - Scope: Laboratory test cycles inside a dual-zone climatic chamber replicating baseline scenarios (T_ext = 0 °C and T_ext = -25 °C) across both passive and active states (25 W thermal barrier active load). 2) insitu_field_high_res_timeseries.csv - Resolution: Hourly intervals (2160 records) - Scope: Environmental and electrical time-series parameters capturing real-world operational profiles across January, February, and March 2026. DATA DICTIONARY & INSTRUMENTATION SPECIFICATIONS1. Heat Flux Monitoring: 9x Hukseflux FHF05 thin-film sensors (heat flux sensors installed directly adjacent to the polyimide foil on Surface 5 connected to LI19 high-precision recorders.2. Gap 1 Temperature: 9x K-type thermocouples (Pico Technology) placed in 3x3 grid.3. Surface Temperatures: 3x Omega SA3-K (Surface 2) and 1x Omega SA3-K (Surface 6).4. Interior Gap 2: 1x K-type thermocouple (Pico Technology).5. Data Logging System: Lutron TM-947SD and Hukseflux LI19 (1-minute stabilization logs).6. HF11: total net energy exchange (W/m²) logged via a room-facing Hukseflux sensor on Surface 6.6. Solar irradiation: real-world solar power density (W/m²) incident on the south-eastern testing facade.7. PV Power Yield, W: instantaneous electrical power output (W) generated by the active glazing integrated photovoltaic framework.8. Battery state of charge: monitored capacity status (%) of the 60 Ah LiFePO4 battery storage buffer.9 Thermal barrier load, W: power consumption (W) allocated to the active window heating structure.