Railways | SV Ideas

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RAILWAYS

Railway Testing & Engineering Solutions

We provide comprehensive NVH testing, engineering consultancy, and validation services for railway projects across every stage of product development and system qualification. Our expertise spans type testing, train-level validation, equipment and component testing, acoustic consultancy, and noise & vibration optimization, helping manufacturers and operators meet stringent industry standards and performance requirements.

We are actively involved in system-wide acoustic consultancy, alternative analysis of noise mitigation schemes, preparation of acoustic specifications for tendering, and acoustic qualification of railway components and systems. Using advanced 16 to 32-channel synchronized noise and vibration measurement systems, we perform detailed source characterization, identify root causes, and develop effective engineering solutions for complex NVH challenges.

Our experience includes testing and consultancy for traction motors, HVAC and air-conditioning systems, compressors, auxiliary equipment, bogies, and other critical railway components, supporting both product development and regulatory compliance.

OUR CAPABILITIES

VEHICLE-LEVEL TYPE TESTING

Comprehensive testing and evaluation to ensure railbound vehicle compliance, passenger comfort, and operational safety.

Interior & Exterior Noise Testing: Specialized measurement of noise inside and emitted by railbound vehicles (ISO 3381 & ISO 3095)
Human Exposure & Ride Dynamics: Rigorous evaluation of whole-body vibration, ride comfort, health, and motion sickness dynamics (ISO 2631)
Running Safety Evaluation: Crucial assessments of vertical and lateral acceleration, alongside bogie stability (EN 14363)

TRACKFORM VIBRATION NOISE CONTROL

Advanced engineering solutions designed to mitigate environmental impact and optimize track performance.

Environmental Impact Control: Ground-borne noise and vibration mitigation for buildings over tunnels and near elevated tracks
Floating Slab Track Evaluation: High-precision performance and efficiency benchmarking for floating slab tracks
Dynamic Property Characterization: Assessment and characterization of dynamic properties across track sections (EN 15461)
Squeal Noise Metrics: Identification and evaluation of prominent discrete tones for wheel/rail-generated Squeal Noise (ANSI S1.13-2005)
Rail Roughness Metrics: Measurement and evaluation of acoustic rail roughness (EN 15610)

EQUIPMENT-LEVEL TYPE TESTING

Component-specific testing to pinpoint acoustic and vibration vulnerabilities before deployment.

Sound Performance Metrics: Accurate diagnostic testing for sound power levels and sound pressure levels (ISO 9614 & ISO 3744)
Acoustic Analysis: Deep-dive modelling of both air-borne and structure-borne noise pathways
Vibration & Component Impact: Induced vibration assessments alongside dedicated equipment contribution mapping (ISO 7626-5, ISO 20270)
Specialized Noise Diagnostics: High-resolution tracking and resolution of impulsive noise and tonal signatures (ISO 1996)

ENGINEERING AND CONSULTANCY SERVICES

Predictive engineering, advanced simulation, and strategic mitigation design for complex railway environments

Acoustic Modelling & Simulation: Advanced, high-fidelity modelling and prediction of interior and exterior railway noise profiles
Transfer Path Analysis (TPA): Comprehensive mapping and analysis of noise transfer paths from source to receiver
Tonal Mitigation & Countermeasures: Exact source identification of tonal noise combined with customized engineering fixes
Mitigation Scheme Appraisals: Evaluation of noise mitigation schemes paired with comprehensive structural alternative analyses
Structural Dynamics: High-precision natural frequency testing to identify and prevent resonance issues