Acoustic Engineering Services
Clear answers for complex acoustic challenges
Microflown provides acoustic engineering and testing services for complex noise and vibration challenges. The right approach is not always immediately clear, and off-the-shelf testing tools do not always provide enough information. Microflown can help define and perform the right investigation. Our engineers combine years of field experience with expertise in specialized vibro-acoustic instrumentation to troubleshoot a wide range of acoustic problems and identify their root causes.
Unsure which method fits your challenge?
You know there is an acoustic issue, but the source, required measurements or most suitable approach are still unclear. Our engineers can help define the investigation and determine the most effective next step.
Are your current methods producing inconclusive results?
Your current methods may produce inconclusive results, making it difficult to identify the root cause of the problem. This may involve a dominant noise source, acoustic leakage or a vibro-acoustic resonance. We apply the most appropriate testing technique to characterize the sound field in detail and provide the information needed to define an effective noise-control solution.
Discuss your acoustic challenge
You do not need to know which measurement system or method is required. Tell us what you are investigating, what you already know and what result you need. Our engineers will review the information and propose the most suitable next step.
Acoustic testing across industries
The selected projects below demonstrate how Microflown’s measurement expertise has been applied to noise-source localization, acoustic leakage, material characterisation, vibro-acoustic troubleshooting and in-situ testing.
Energy storage system investigation
An on-site investigation was carried out to identify dominant internal components, enclosure radiation and acoustic leakage under different operating conditions. The results provided focused directions for sealing, damping and structural improvement.
Aircraft cabin noise localisation
Troubleshooting with VOYAGER and 3D acoustic visualisation was used to locate noise radiation and leakage inside an aircraft cabin without adding acoustic treatment to the measurement environment. The investigation identified relevant areas around panels, windows and structural intersections, supporting focused construction improvements.
Large diesel-engine noise reduction
Particle-velocity mapping and sound-intensity measurements were applied to a large medium-speed diesel engine in an industrial environment with high background noise.The measurements helped identify dominant radiation areas and supported targeted mechanical and structural noise-control measures, contributing to a significant reduction in engine noise.
ANC headphone leakage and resonance analysis
Particle-velocity mapping and sound-intensity measurements were applied to a large medium-speed diesel engine in an industrial environment with high background noise. The measurements helped identify dominant radiation areas and supported targeted mechanical and structural noise-control measures, contributing to a significant reduction in engine noise.
Multi-layer material absorption characterization
Reverberation-room, impedance-tube and in-situ absorption measurements were compared to investigate a multi-layered material that produced inconsistent results across test methods. The study revealed that the aluminium surface layer created a membrane effect that enhanced low-frequency absorption in larger-scale and spatial measurements, while this behaviour remained undetected in the impedance tube.
Combine real-world measurements with acoustic simulations
When source data, boundary conditions or component behaviour are difficult to model accurately, measured acoustic data can provide a more reliable starting point. Microflown’s hybrid methodology combines 3D sound-intensity measurements with simulation tools to evaluate sound propagation, design alternatives and noise-control measures. Together with Quiet Consult and other simulation specialists, we connect real operating behaviour with numerical modelling.
FAQ
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Microflown Technologies is ISO 9001:2015 certified, reflecting our commitment to consistent quality management across our operations, products and services. Each investigation combines established working processes with the practical judgement of our experienced R&D engineers. Depending on the project, we bring together specialists in areas such as material characterisation, automated and robotic measurements, noise-source localisation and testing under operational conditions. This combination of controlled processes and specialised engineering expertise helps us deliver reliable measurements, clear analysis and results that support confident engineering decisions.
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We understand that acoustic investigations can involve sensitive product designs, measurement data and development information. Project information is treated confidentially and can be covered by a mutual non-disclosure agreement before technical details are shared. Our internal processes are designed to support controlled handling of customer information and project data throughout the investigation.
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You do not need to specify the equipment or methodology before contacting us. We begin with the acoustic problem, the available information and the engineering decision you need to make. Our engineers will assess the challenge and recommend an appropriate investigation strategy, which may combine several measurement and analysis methods.
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A key advantage of our particle-velocity-based technology is that measurements can often be performed directly around the operating product, even in environments where background noise, reflections, limited access or the absence of specialised acoustic facilities make conventional approaches difficult to apply. This allows us to investigate products and systems under realistic operating conditions, at the location where the acoustic problem actually occurs.
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No. Engineering services are available to organisations that need a result, specialist expertise or additional confidence before investing in a complete measurement system. The initial objective is to solve the acoustic challenge and demonstrate a suitable measurement approach. Where relevant, the project can also help determine whether a Microflown system would provide value for future in-house measurements.
