OBJECTIVE

Welcome to our exclusive simpulse day, where we dive into the cutting-edge world of HVAC simulation for road vehicles. Join us on a captivating journey into the world of heating, ventilation and air conditioning (HVAC) systems, where we will unlock the potential for greater comfort, efficiency and performance in the vehicles of the future.

HVAC systems play a vital role in ensuring passenger comfort and overall vehicle performance. However, simulating these complex systems comes with its own set of challenges, particularly in the context of automotive applications. With our simpuls eday, we want to address some of the mayor challenges in this domain:

Complexity of System Integration

Automotive HVAC systems are inherently complex and consist of various components such as compressors, condensers, evaporators, fans and ducting systems. Simulating the integration of these components into the limited space of a vehicle cabin requires complicated modelling and accurate representation of airflow, heat transfer and refrigerant flow dynamics.

Dynamic Environmental Conditions

Vehicles operate in dynamic environmental conditions, including variations in ambient temperature, humidity, and altitude. HVAC systems must adapt to these changing conditions to maintain optimal comfort and efficiency. Simulating the dynamic response of HVAC systems to environmental factors poses a significant challenge, requiring robust modeling techniques and real-time control strategies.

Thermal Management Challenges

In addition to passenger comfort, automotive HVAC systems are crucial for thermal management within the vehicle, especially in electric and hybrid vehicles where battery temperature regulation is essential for performance and longevity. Simulating the interaction between HVAC systems and other vehicle components, such as batteries and powertrain elements, adds complexity to the simulation process.

Energy Efficiency and Sustainability Goals

With an increasing emphasis on energy efficiency and sustainability, automotive manufacturers are under pressure to design HVAC systems that minimize energy consumption and environmental impact. Simulating the trade-offs between comfort, energy efficiency, and system performance requires sophisticated optimization techniques and comprehensive analysis of various design parameters.

Validation and Verification

Validating and verifying simulation results against real-world performance data is crucial for ensuring the accuracy and reliability of HVAC simulations. However, obtaining experimental data for validation purposes can be challenging, especially in early-stage design phases or for proprietary system components. Developing robust validation methodologies and leveraging available test data is essential for building confidence in simulation predictions.

Interdisciplinary Collaboration

Successful HVAC simulation for vehicles requires interdisciplinary collaboration between engineers specializing in HVAC design, thermal management, fluid dynamics, controls, and vehicle integration. Bridging the gap between different domains and integrating diverse expertise is essential for developing holistic simulation models that capture the intricacies of automotive HVAC systems accurately.

Would you like to share and discuss your challenges, scientific approaches, or technologies with other experts ?
We invite you to contribute to our lecture programme with a presentation (20min + 5min for Q&A).
Please submit your abstract (max. 3000 characters) until 10 January 2025 to events@asc-s.de .

RELATED TOPICS

Challenges, scientific approaches, best-practices and industry-driven use cases for:

• 1D or high fidelity modelling and analysis of HVAC components
• optimization of heating/cooling performance, energy efficiency and comfort
• multi-physics and co-simulation
• flow and topology optimization
• evaluation of new HVAC technologies
• result interpretation and visualization

In case you want to discuss an initial project idea, our Project Appetizer Template offers you the ideal opportunity. If your idea meets with interest within our community, we will be happy to support you with the project definition and implementation.

ORGANIZER