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Our capabilities

The aerospace sector requires experience, attention to detail and an ability to adapt to changing and challenging environments. At PDL, we specialise in engineering the difficult tasks and “doing the hard sums”. Some of the most notable national and international companies rely on our technical expertise to accurately analyse critical components for a wide range of complex loading conditions.

We have an intimate knowledge of the load cases that are typically found in a commercial aircraft flight envelope, or manoeuvre envelope, based on data from the International Standard Atmosphere tables. Understanding these loading conditions is critical to making sure that the correct analysis procedure is followed; Normal Operation, Failure Operation and Dormant Failure for both static and fatigue scenarios, all have to be accounted for at all parts of the flight envelope.

Dormant or undetected failures pose a real risk to aircraft structural integrity. Understanding that these cases must be ran as part of the Normal Operation loading conditions within the flight envelope is crucial to aircraft safety.

By applying design calculations and state of the art analysis toolsets and methodologies, we work with our clients to demonstrate the compliance of their design to the relevant International aerospace codes and standards. Typical codes and standards include:

  CS-25 Large Aeroplanes

  EASAEuropean Airworthiness and Safety Agency

  CARCanadian Aviation Regulations

  FAR - Federal Aviation Regulations

  SCAAState Civil Aviation Authority

Understanding that these regulations can be specific to different regions across the world results in an optimised global design; Russian anti-icing regulations are clearly more stringent than those in the Middle East. The regional differences between regulations can have a huge impact on not only aircraft performance, but ultimately aircraft safety. Having taken the time to understand these regulations in the first instance, PDL Engineers are fully aware of their implications. Coupling this thorough understanding of the various regulations with the SAE Aerospace Materials Standards (AMS) and an expert knowledge of all material types, e.g., metals, alloys, polymers and composites used within the aerospace industry, enables us to help our clients achieve a compliant design solution.

PDL Aerospace

  CFD modelling of aircraft anti-icing systems 

As well as ensuring that the design not only meets the industry standard codes and certification regulations, we are able to use the same design tools and analysis techniques to assess the physical performance and the practical functionality of aerospace components and structures in the design phase, or improve the performance and functionality of a part or an assembly during the operations phase.  Some typical aerospace performance studies are detailed below:

  Structural/Mechanical thermal growth of the nacelle core

  CFD analysis of nacelle steps and gaps

  Vibration analysis of oil pumps

  Effect of heat exchangers flow attachments to Carbon Fibre Reinforced Polymers (CFRP) structures

   Insulation thickness requirements on acoustic liners

  Drag profile of actuators on thrust reverser systems

  Plume trajectory of reverse thrust flow from cascade vanes

  Optimising bypass duct shape to promote laminar flow control

  Pressure analysis of anti-icing ducts

  Foreign body impact analysis on PSE's (Principal Structural Elements)

  Heat transfer from CAI.TAI.WAI* ducts to CFRP structures

* CAI- Cowl Anti- Ice- Anti- icing systems in nacelles. Also have Thermal Anti-Ice (TAI) for all types of anti-icing systems as well as Wing Anti- Icing (WAI).

Our engineers have supported the likes of Bombardier Aerospace, Rolls Royce, Pratt and Whitney, Lockheed Martin, Goodrich and worked in close collaboration with S+C Thermofluids. We are deemed to be suitably qualified and experienced to take on even the most complex analysis tasks that the aerospace industry encounters and be trusted to deliver the correct, compliant and cost effective solution.

 

 

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Keywords for: Aerospace Market

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