Hengshi (Langfang) Precision Machinery Manufacturing Co., Ltd.

Metal Honeycomb Solutions for Wind Tunnel and Industrial Airflow Control

Stable and well-directed airflow is essential for wind tunnel testing, fan performance evaluation, airflow measurement and industrial gas handling systems. Swirl, cross-flow and uneven velocity distribution can affect measurement repeatability and downstream equipment performance.

Metal honeycomb flow straighteners provide a practical method of reducing lateral airflow components and improving flow direction. By guiding air or gas through multiple parallel cells, the honeycomb structure helps create a more consistent downstream flow field.

HengShi (Langfang) Precision Machinery Manufacturing Co., Ltd. manufactures custom stainless steel and other metal honeycomb structures for industrial airflow applications. Our production capabilities include precision forming, resistance spot welding, laser welding and vacuum brazing.

1. Where Are Metal Honeycomb Flow Straighteners Used?

Wind Tunnel Testing

Wind tunnels are used in aerodynamic research, automotive development, aerospace testing and industrial research. Honeycomb straighteners are commonly installed in the settling chamber as part of the flow-conditioning system.

The honeycomb helps reduce transverse velocity components and flow angularity before air reaches downstream screens, contractions or the test section. The complete flow-conditioning system must be designed around the required flow quality and pressure-loss limits.

HengShi supplies custom honeycomb structures for different tunnel cross-sections, including round, square, rectangular and specially shaped configurations.

Fan Performance Testing and Airflow Measurement

Fans, blowers and ventilation equipment may generate swirling or nonuniform airflow. Such conditions can influence measurements and downstream flow conditions.

Honeycomb straighteners can be integrated into suitable test sections or ductwork to improve the direction of airflow. Selection depends on the test standard, installation geometry, upstream flow conditions and acceptable pressure drop.

Industrial Exhaust and Process Gas Systems

Large industrial exhaust ducts and gas-handling systems may experience nonuniform flow due to elbows, fans, dampers and other upstream components.

Custom metal honeycomb modules can be evaluated as part of an industrial flow-conditioning solution. Important engineering considerations include operating temperature, gas composition, corrosion resistance, particulate loading, cleaning access and structural support.

For large-diameter installations, modular honeycomb assemblies may simplify manufacturing, transportation and installation. The final module arrangement and honeycomb depth should be determined by engineering calculations and operating requirements.

Research Laboratories and Custom Test Equipment

Universities, research institutes and engineering laboratories often require flow straighteners with project-specific dimensions, cell sizes and mechanical configurations.

Custom manufacturing allows the honeycomb design to be adapted to the available installation space, required flow direction and operating environment.

2. How Does a Honeycomb Flow Straightener Work?

A honeycomb flow straightener contains many parallel flow passages. These passages resist transverse flow and help align the local flow direction with the honeycomb cell axes.

However, a honeycomb does not automatically produce laminar flow or eliminate every form of turbulence. Its performance depends on cell geometry, length-to-cell-size ratio, upstream flow conditions and the surrounding system design.

Important selection factors include:

• Cell size: Smaller cells provide more flow passages but may increase resistance and sensitivity to contamination.
• Honeycomb depth: Affects flow-direction correction, structural design and pressure loss.
• Foil thickness: Influences mechanical strength and open-flow area.
• Material: Selected according to temperature, corrosion and operating environment.
• Frame design: Influences installation, mechanical support and effective flow area.

For more detailed technical guidance, read our honeycomb flow straightener cell size and depth selection guide.

3. Custom Metal Honeycomb Manufacturing Capabilities

HengShi manufactures metal honeycomb cores and assemblies according to customer drawings and technical specifications.

Dimensions, material availability and manufacturing tolerances are confirmed during technical review. Special designs may require additional assessment or prototype development.

Explore our air flow straightener product range or view a custom stainless steel honeycomb flow straightener for product information.

4. Why Choose HengShi as Your Metal Honeycomb Manufacturer?

HengShi is a metal honeycomb manufacturer based in Langfang, Hebei Province, China. We focus on industrial metal honeycomb cores, welded honeycomb assemblies, flow straighteners, shielding ventilation components and honeycomb sealing structures.

Our manufacturing capabilities support both prototype development and production orders, depending on the complexity and quantity of the required components.

• Custom metal honeycomb manufacturing based on technical drawings.
• Stainless steel and selected high-temperature alloy processing.
• Resistance welding and vacuum brazing capabilities.
• Custom core sizes, shapes, depths and frame configurations.
• Engineering communication for material and manufacturing feasibility.
• Support for international industrial customers and export orders.

Learn more about our equipment and manufacturing background on the HengShi company and factory profile page.

5. Information Required for a Custom Quotation

To evaluate a honeycomb flow straightener for your project, please provide the following information where available:

1. Overall dimensions or installation drawings.
2. Required honeycomb depth and preferred cell size.
3. Material requirements, such as SS304 or SS316L.
4. Operating temperature and gas or fluid composition.
5. Flow rate or velocity and allowable pressure drop.
6. Frame, mounting and modular installation requirements.
7. Required quantity and delivery destination.

If some specifications are not yet finalized, our team can review your preliminary requirements and discuss manufacturing feasibility. Final flow performance must be validated against the requirements of the complete system.

6. Frequently Asked Questions

What is the best cell size for a wind tunnel honeycomb?

There is no universal cell size suitable for every wind tunnel. The choice depends on the tunnel dimensions, flow velocity, upstream conditions, desired flow quality and pressure-loss requirements.

Can stainless steel honeycomb be used in industrial exhaust ducts?

Stainless steel honeycomb may be suitable for industrial exhaust applications, depending on temperature, gas chemistry, corrosion risk and particulate loading. The complete operating conditions should be reviewed before selecting the material and joining method.

Can HengShi manufacture large or modular flow straighteners?

HengShi can evaluate custom modules and segmented assemblies for large installations. Module dimensions, structural supports, connections and fabrication methods must be confirmed from project drawings and engineering requirements.

Does a honeycomb flow straightener eliminate turbulence?

No. Honeycomb structures primarily reduce transverse flow components and help align flow direction. Turbulence intensity and final flow uniformity depend on the complete flow-conditioning system.

Can I order a custom honeycomb sample?

Prototype and sample production can be evaluated according to the required material, geometry, dimensions and manufacturing process.

7. Request a Custom Honeycomb Flow Straightener Quote

Are you designing a wind tunnel, industrial airflow system or customized flow-testing installation?

HengShi can review your drawings and manufacturing requirements for a custom metal honeycomb solution.

Contact our manufacturing team:

HengShi (Langfang) Precision Machinery Manufacturing Co., Ltd.

Email: info@hengshi-emi.com

Contact HengShi to Request a Custom Quotation →