Investigations into technical feasibility of novel heat exchange solution for aero-engine applications
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Investigations into technical feasibility of novel heat exchange solution for aero-engine applications

Experimentally informed, Numerical Modelling Of Flow and Thermal Fields in Heat Exchange System

MTC was tasked by Rolls Royce to study feasibility of using alternative heat exchanging solution for potential use in their aero engines. Project comprised of in depth empirical and simulation strands that allowed extrapolation of that data to form a computational estimate of its performance with engine condition inputs. Use of the novel device could
deliver a light weight and low cost solution to cooling temperature sensitive areas of the engine.

The Challenge

  • Geometrical complexity of the system and unknown driving factors in investigated technology needed to be understood to allow for optimised solution with engine condition inputs.
  • Computational model required validation data which needed to be obtained from physical trials and cross-referenced with in-depth literature survey.

MTC's Solution

  • MTC's Design and Build team performed experimental investigations using multi-sensory cross-domain approach to produce a stationary as well as transient signature of the device performance. 
  • CFD investigations followed rapid, multi-lateral approach to determine the appropriate level of fidelity for simulation work. 
  • Alongside numerical investigations, MTC's Physics Modelling team validated the results by developing analytical solutions allowing for quick estimation of system's behaviour under a range of basic conditions. 

The Outcome

  • Sprint process quickly delivered basis for understanding of the problem statement, both theoretically and through empirical investigations.
  • Multi-layered technical governance and agile team structure enabled steady progression throughout the duration of the sprint project.
  • Fail-fast strategy was key in capturing critical path of project progression at very short time-scales.

Benefits to the Client

  • Fundamental and empirical research work was delivered at a fraction of the timescales need in academia.
  • Outcomes of the research justified further investigations to be considered and wider application options to be sought.
  • Sprint process methodology delivered lean, solution driven team working.
Freeze
The MTC’s agile cross functional team was able to quickly establish a strong technical baseline for the problem, proceeding to develop mathematical models and gather empirical data in parallel to enable real time model validation. Use of the Sprint methodology allowed the team to maintain focus on the critical path and readily course correct when required. Multiple investigative strands were pursued simultaneously, ensuring that the project could progress with pace.
Lynn Clarke, Acting Lead Engineer Product Lines & Technology Projects, Rolls Royce