Atrium Natural Ventilation CFD Simulation

DTRM Radiation Model: Atrium Natural Ventilation Simulation

Explore the intricate interplay between radiation heat transfer and natural ventilation in this advanced episode from our “Radiation: All Levels” course. Master the application of the Discrete Transfer Radiation Model (DTRM) using ANSYS Fluent to simulate the complex thermal dynamics of a multi-story atrium building.

Project Overview

This cutting-edge simulation focuses on the natural ventilation system within a three-story atrium building, incorporating the effects of solar radiation and internal heat sources. You’ll gain profound insights into how radiation influences air movement and temperature distribution in large, open architectural spaces.

Key Simulation Components

1. Geometry and Mesh

- 3D model of a three-story atrium building with rooms on both sides - Complex design featuring multiple air inlets, outlets, and a central atrium - Unstructured mesh with 709,511 cells for high-resolution results

2. Physics Models

- Discrete Transfer Radiation Model (DTRM) for radiation heat transfer - Solar Ray Tracing for accurate solar radiation effects - Natural convection modeling for air movement

3. Radiation Modeling Specifics

- DTRM approximation of radiation using discrete rays - Integration of solar radiation based on geographical and temporal data - Consideration of both direct and diffuse solar irradiation

Simulation Setup and Methodology

Learn to configure:

• DTRM parameters in ANSYS Fluent
• Solar Ray Tracing inputs for specific location and time (Montreal, Canada, July 15, 13:00)
• Boundary conditions for air inlets, outlets, and heat sources
• Material properties for glass exterior and internal structures

Results and Analysis

Gain insights through detailed visualizations of:

• Temperature distributions throughout the atrium and rooms
• Pressure and velocity fields showing air movement patterns
• Density variations influencing natural ventilation
• Velocity vectors illustrating airflow circulation

Why This Episode Is Crucial

• Master the application of DTRM in complex architectural spaces
• Understand the interaction between solar radiation and natural ventilation
• Develop skills in optimizing building designs for thermal comfort and energy efficiency
• Learn to analyze and interpret radiation and airflow patterns in multi-story structures

Target Audience

This episode is ideal for:

• Architectural engineers specializing in sustainable building design
• HVAC engineers focusing on natural ventilation systems
• CFD specialists in the building and construction industry
• Researchers in green building technologies and energy conservation

Elevate Your CFD Skills with Advanced Building Physics Modeling

This episode offers a unique opportunity to apply the DTRM radiation model to a practical, large-scale architectural scenario. By mastering this simulation, you’ll be equipped to tackle a wide range of challenging CFD problems involving radiation, natural ventilation, and solar effects in complex building designs.

Key Learning Outcomes

• Understand the principles and applications of the DTRM radiation model
• Master the setup of combined radiation and natural ventilation simulations
• Learn to interpret and analyze the impact of solar radiation on indoor climates
• Develop skills in optimizing atrium designs for enhanced thermal comfort and energy efficiency

Practical Applications

The skills gained from this episode are directly applicable to:

• Design and optimization of naturally ventilated buildings
• Energy-efficient atrium and large open space planning
• Solar gain analysis in architectural designs
• HVAC system optimization for multi-story structures

Don’t miss this opportunity to enhance your simulation capabilities and contribute to the advancement of sustainable building design and energy-efficient architecture. Enroll now and take your CFD expertise to the next level with this essential DTRM radiation modeling episode!