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- Description:
- This dataset contains highly accurate density measurements for the system Helium / Neon down to temperatures of 100 K. Measurements were carried out with the apparatus described in
LENTNER, Rafael, et al. Density measurements of liquefied natural gas (LNG) over the temperature range from (105 to 135) K at pressures up to 8.9 MPa. The Journal of Chemical Thermodynamics, 2017, 112. Jg., S. 68-76.
Results of the measurements were published in
VON PREETZMANN, Nils; SPAN, Roland. Measurement of the (p, ρ, T) behavior of Helium, Neon, and their mixtures at temperatures from (100 to 283.15) K and pressures up to 10.0 MPa. Cryogenics, 2024, 137. Jg., S. 103765.
- Keyword:
- Single-Sinker Densimeter, Density Measurements, Helium / Neon, and Cryogenic
- Publisher:
- Date Uploaded:
- 2025-05-26
- Date Modified:
- 2025-05-27
- License:
- Creative Commons CC0 1.0 Universal
- Resource Type:
- Dataset
- Description:
- Rovibrational energies of the hydrogen molecule in the electronic ground state have been derived from a complete vacuum ultraviolet (VUV) spectrum. This purely experimentally based approach has been chosen to compare experimentally based quantum-mechanical predictions for caloric properties of hydrogen in the ideal-gas state with approaches fitting smoothing functions to IR data and with ab-initio calculations of rovibrational energy levels. Results of this comparison were found to agree essentially within 0.01% in the isobaric heat capacity and give an indication for the uncertainty ideal gas properties. The given energy levels allow for the calculation of properties of ortho, para and normal hydrogen as well as for calculations regarding the equilibrium ortho / para distribution as a function of temperature. The results form the basis for the development of a numerically less demanding empirical representation of the ideal gas properties as basis for the development of a new reference equation of state.
- Keyword:
- Hydrogen, Ideal Gas Properties, and Rovibrational Energy Levels
- Publisher:
- Date Uploaded:
- 2025-05-22
- Date Modified:
- 2025-05-27
- License:
- Creative Commons CC0 1.0 Universal
- Resource Type:
- Dataset
- Description:
- This data set contains viscosity measurements for hydrogen and for mixtures containing hydrogen and components relevant for blue-hydrogen production. Measurements were carried out with highly accurate gas-phase viscometers utilizing magnetic-suspension technology. Results are published in Betken, Benjamin; Khosravi, Bahareh; Sabozin, Fabian; Thol, Monika; Span, Roland; ,"Measurements of the Viscosity of n-Hydrogen and (n-Hydrogen+ Carbon Dioxide),(n-Hydrogen+ Methane), and (n-Hydrogen+ Ethane) Mixtures at Temperatures from (253.15 to 473.15) K and at Pressures up to 20 MPa",International Journal of Thermophysics,46,4,55,2025,Springer US New York
- Keyword:
- Hydrogen / Carbon Dioxide, Viscosity, Hydrogen / Methane, Viscosity Measurements, Hydrogen, Hydrogen / Ethane, and Gas Phase
- Publisher:
- Date Uploaded:
- 2025-05-22
- Date Modified:
- 2025-05-27
- License:
- Creative Commons CC0 1.0 Universal
- Resource Type:
- Dataset
- Description:
- This sub collection contains results of density measurements performed in the ERC Advanced Grant ThermoPropHy
- Resource Type:
- Dataset
- Description:
- This dataset contains simulation data from a Fluid Catalytic Cracking (FCC) unit, specifically designed for alarm flood classification and alarm management research. The dataset is derived from a high-fidelity MATLAB-based FCC simulation model that has been enhanced with realistic process variations and a comprehensive alarm system.
Key features of the dataset include:
Size: 1,600 simulation runs across 16 different abnormal situations (100 runs per disturbance)
Time Resolution: Process data sampled at 60-second intervals
File Structure: In the timeseriesdata, each run includes three CSV files:
process.csv: Contains 25 process variables (temperatures, pressures, flows, etc.)
valves.csv: Contains 11 valve position variables
disturbances.csv: Contains 15 variables related to disturbances and ambient conditions
For the alarmseriesdata, each run consists of a single file
alarms.csv: Contains 57 alarm status variables (low, high, low-low, high-high)
The dataset captures realistic process dynamics with:
Added measurement noise to all variables (e.g., 1% for level, 0.01°C for temperature)
Comprehensive alarm configuration with thresholds based on operating limits
16 different abnormal situations including valve failures, catalyst deactivation, and equipment issues
This dataset addresses the gap in publicly available alarm data for process industries and provides a valuable resource for developing and evaluating alarm management techniques, particularly alarm flood classification methods.
- Keyword:
- Alarm Flood Classification, Fluid Catalytic Cracking (FCC), and Process Simulation
- Publisher:
- Date Uploaded:
- 2025-05-07
- Date Modified:
- 2025-05-12
- License:
- Creative Commons BY Attribution 4.0 International
- Resource Type:
- Dataset
