Flow screens and flow conditioning are essential elements in wind tunnel design, crucial for optimising airflow and ensuring accurate testing results.
Flow conditioning is a key component of a wind tunnel to enable the flow to effectively be ‘straightened’. Flow Core Honeycomb can be manufactured in modules up to 2m x 2m.
Flow screens and flow conditioning are essential elements in wind tunnel design, crucial for optimising airflow and ensuring accurate testing results. Effective flow conditioning is paramount in wind tunnels to straighten airflow, minimising turbulence and achieving reliable data collection.
Flow Core Honeycomb, a fundamental component in wind tunnel construction, plays a vital role in flow conditioning. These honeycomb modules, available in sizes up to 2m x 2m, are designed to regulate airflow by straightening it as it passes through the wind tunnel.
The versatility of Flow Core Honeycomb is evident in its cell sizes, which range from 5mm to 16mm A/F hexagon. This range allows for customisation based on specific wind tunnel design requirements and testing objectives, ensuring optimal performance and accuracy.
When it comes to wind tunnel design, incorporating flow control technology is crucial for achieving precise and repeatable results. Flow control technology encompasses various techniques and components aimed at manipulating airflow to meet testing objectives effectively.
From adjustable screens and honeycomb structures to boundary layer control devices, flow control technology plays a vital role in optimising airflow patterns within wind tunnels. These technologies help minimise flow distortions, turbulence, and other undesirable effects, ensuring accurate aerodynamic testing results.
In summary, Flow Screens and Flow Conditioning, including the utilisation of Flow Core Honeycomb and advanced flow control technology, are integral aspects of wind tunnel design. By implementing these elements effectively, wind tunnel operators can achieve precise and reliable aerodynamic testing, contributing to advancements in various industries, including aerospace, automotive, and research and development.
Ready to optimise your wind tunnel design and implement advanced flow control technology? Contact us today to discuss your specific needs and find the perfect solution for your aerodynamic testing requirements!

Applications
Cullum’s Flow Core Honeycomb is ideally suited for automotive wind tunnels, where precise airflow control is essential for accurate aerodynamic testing and vehicle development. Engineered to straighten and condition airflow, our honeycomb modules minimise turbulence and flow distortion, ensuring repeatable and reliable data collection. With cell sizes ranging from 5mm to 16mm A/F hexagon and module dimensions up to 2m x 2m, Flow Core Honeycomb can be tailored to meet the exact requirements of automotive testing facilities. The result is optimised airflow that enables high-precision measurement of drag, lift, and other critical aerodynamic factors, supporting innovation and efficiency in automotive design.
Cullum’s Flow Core Honeycomb is perfectly suited to aerospace wind tunnels, where absolute precision in airflow control is critical to aerodynamic testing and aircraft development. Designed to straighten and condition airflow, our honeycomb modules minimise turbulence and distortions, enabling accurate, repeatable data collection for lift, drag, and stability measurements. With module sizes up to 2m x 2m and cell options from 5mm to 16mm A/F hexagon, Flow Core Honeycomb can be customised to meet the stringent requirements of aerospace testing facilities. The result is optimised airflow that ensures reliable results in the development and validation of next-generation aircraft and aerospace technologies.