Ensuring Flight Safety and Performance: 8 Common Aerospace Testing Services

Aerospace testing services are critical in ensuring the safety, reliability, and performance of aerospace systems, components, and vehicles on and off the ground. Testing is pivotal in determining potential flaws, failures, and weaknesses in design, structure, or materials used in various parts of an aircraft. Testing also provides a valuable picture of the integrity of the systems used in an aircraft and helps aerospace engineers identify areas that require improvements.

Essential Aerospace Testing Services

Testing services in the aerospace industry encompass several procedures, such as material analysis and aerodynamic examination, that specialize in assessing specific aspects of an aircraft component. They evaluate the efficiency, strength, quality, and performance of every part that makes up an aircraft.

Structural Testing Services

Exposing structures to robust assessments and simulations is essential in evaluating their strength and durability, especially when subjected to extreme weather conditions. Engineers detect potential weaknesses using different structural testing services before deploying an aircraft.

Static Load Testing - Applying controlled static loads on structures and components and checking for any stresses and displacements reveals the overall integrity of an aircraft. Static load testing is crucial in identifying whether or not an aircraft is ready to withstand the demanding operational conditions during its lifespan.

Fatigue Testing - Determining the likely lifespan of aerospace components is one of the goals of subjecting them to repetitive stresses and strains during fatigue testing. Another benefit of this test is identifying potential structural degradations during an aircraft’s operational life.

Aerodynamic Testing Services

Optimizing the airflow around an aircraft is crucial in aerospace testing as it ensures stability and maneuverability during flight. Engineers use results from various aerodynamic tests to find ways to modify design and improve efficiency and performance for a safe and reliable flying experience.

Wind Tunnel Testing - Engineers subject scaled models or full-scale prototypes to various air velocities and pressures within a controlled airflow space to learn about aerodynamic behavior. This test provides valuable insights into drag, lift, and other forces acting on an aircraft.

Flow Visualization Testing - Commonly used with wind tunnel testing, flow visualization techniques help engineers observe the complex flow patterns around an aircraft. This step identifies flow separation and reattachment points along with other aerodynamic inefficiencies.

Materials Testing Services

Examining materials is vital in detecting defects and potential risks of mechanical and structural failures in an aircraft. Aerospace materials testing helps guarantee that an aircraft is safe, reliable, and capable of providing efficient and optimal operations.

Nanoindentation Testing - This method is commonly done in a material testing lab in conjunction with atomic force microscopy to identify the mechanical properties of materials, such as hardness. It records penetration depth when a probe pushes against materials to help evaluate hardness.

Non-Destructive Testing - Also known as non-destructive examination, this technique collects data to determine characteristic differences or defects of materials, structures, or components without permanently damaging or altering them.

Environmental Testing Services

Environmental factors such as humidity, temperature, and vibration affect the stability and performance of an aircraft. Ensuring it can withstand the harsh conditions in real-world scenarios is a must. Performing these techniques help engineers in an aerospace testing lab ascertain the integrity of an aircraft and its components.

Thermal Cycling Testing - Under extreme temperature fluctuations, an aircraft may experience thermal expansion, contraction, fatigue, and degradation. Thermal cycling tests discover how materials and parts perform when subjected to varying high and low temperatures and identify areas where engineers can improve design or material selection.

Altitude Vacuum Testing - Determining how aerospace components and systems respond to reduced atmospheric pressure is the primary goal of performing altitude vacuum tests. An aircraft must withstand the low-pressure environment at high altitudes and ensure no leaks, degradation, or other defects occur.

Innovating the Aerospace Industry

Besides guaranteeing aircraft safety and integrity, aerospace testing services pave the way for innovation. Improving fuel economy and aerodynamic efficiency are two possible ways the industry can benefit from conducting precise evaluations in an aerospace testing lab.

Engineers can optimize materials, for instance, and enhance the performance and reliability of aerospace technology. More importantly, they can manufacture more advanced prototypes and discover new ways to elevate the state of today’s aerospace industry.

Sources:

https://www.eaton.com/us/en-us/services/aero-labs.html

https://www.contractlaboratory.com/labclass/industries/industry-details.cfm

https://atsict.com/aerospace-material-testing-services/

https://www.swri.org/aerospace-structural-design-testing

https://www.nlr.org/wp-content/uploads/2018/08/Environmental-Testing-of-Aerospace-Equipment.pdf

https://orslabs.com/services/environmental-testing/

https://www.grc.nasa.gov/www/k-12/airplane/tuntest.html

https://www.grc.nasa.gov/www/k-12/airplane/tunvis.html

https://www.helmut-fischer.com/helmut-fischer-blog/material-analysis-aerospace

https://www.appluslaboratories.com/global/en/what-we-do/service-sheet/aersopace-materials-testing

https://www.techbriefs.com/component/content/article/tb/pub/features/articles/33914