On this page

• CCP-NTH Data
• Open Data Hub
• Turbulence
• Heat Transfer
• NTH Experiments
• System TH
• AI Datasets
• General Platforms

CCP-NTH Data Resources

CCP-NTH develops high-fidelity datasets and benchmark cases to support the community, including simulation data, validation resources, and future AI-ready datasets.

• High-fidelity DNS datasets (e.g. CHAPSim)
• Benchmark datasets for validation and verification
• AI-ready datasets for data-driven modelling (in development)

Open Data Hub for Thermal Hydraulics

This section provides curated links to openly accessible datasets relevant to turbulence, heat transfer, and nuclear thermal hydraulics.

Canonical Turbulence (Channel, Pipe, Wall Flows)

• Johns Hopkins Turbulence Database (JHTDB)
  A widely used open-access database providing DNS datasets for canonical turbulent flows, including channel flow, isotropic turbulence, and mixing layers.
• JAXA DNS Database
  Open representative turbulence statistics from DNS of wall-bounded turbulent flows, including channel flow, turbulent separation bubbles, skewed turbulent boundary layers, and zero-pressure-gradient turbulent boundary layers.
• TU Darmstadt Turbulence DNS Database
  Statistical DNS data for incompressible turbulent flows generated at TU Darmstadt, including Couette flow, Poiseuille flow, and rotating or transpiring channel-flow cases.
• Vreman Research Channel-Flow Database
  High-resolution, long-time DNS databases of turbulent channel flow, including classic reference cases at Re_τ = 180 and 590.
• Texas Turbulence File Server
  Provides direct access to DNS channel-flow and Couette-flow datasets across a range of Reynolds numbers, together with statistics and file-server access.
• UK Turbulence Consortium Database
  A curated dataset page including turbulence-related benchmark and training datasets, such as periodic hills and Taylor–Green vortex cases.
• ERCOFTAC Database
  A curated collection of experimental and numerical benchmark datasets used extensively for validation and assessment of turbulence models.
• NASA Turbulence Modeling Resource
  A validation resource providing benchmark CFD cases, reference solutions, and turbulence model documentation for RANS and LES simulations.

Heat Transfer & Wall Turbulence

• THTLAB Database
  A collection of datasets from the Turbulence and Heat Transfer Laboratory, focusing on coupled turbulence and heat transfer in canonical configurations.
• Tokyo University of Science DNS Database
  A DNS database of wall-bounded turbulent flows with heat transfer, including cases with buoyancy, rotation, and other complex physical effects.
• KTH Boundary Layer Data
  Boundary-layer DNS and LES datasets from KTH, including velocity profiles and turbulence-budget data across a range of Reynolds numbers.
• NIST Thermophysical Property Databases
  Authoritative databases providing thermophysical properties of fluids and materials, widely used for modelling heat transfer and fluid behaviour.

Nuclear Thermal Hydraulics Experimental Data

• NUPEC PSBT
  A high-quality benchmark dataset for PWR subchannel flows, widely used for validation of subchannel and CFD thermal hydraulics models.
• NUPEC BFBT
  A comprehensive boiling water reactor dataset providing detailed measurements for bundle-scale boiling flows and heat-transfer validation.
• NRC CHF Database
  A large experimental database of critical heat flux measurements used for modelling boiling crisis and safety margins in nuclear systems.

System Thermal Hydraulics & Benchmarks

• OECD/NEA Thermal Hydraulics Benchmarks
  A suite of internationally coordinated benchmark problems and datasets, including system-scale experiments such as PKL and ROSA, for validation of thermal hydraulics codes.
• TrioCFD Databases
  Databases associated with TrioCFD, including cold-leg mixing and front-tracking / DNS databases of upward turbulent bubbly channel flows.

AI-ready Scientific Datasets

• The Well (Polymathic AI)
  A curated collection of machine-learning-ready scientific datasets, including fluid dynamics and PDE-based simulations, designed for developing and benchmarking AI models.

General Open Data Platforms

• Zenodo
  A general-purpose open-access repository for sharing research outputs, including datasets, software, and publications, with DOI assignment.
• Figshare
  A platform for publishing and sharing research data across disciplines, supporting open science and reproducibility.
• UKRI Gateway to Research
  A UKRI portal providing access to information on funded research projects, associated outputs, and links to datasets.