JUNE 4, 2026
Issue #40
BREAKING
Flow assurance forum: wax deposition models benchmarked against 12 field production datasetsPSV sizing standard EN ISO 4126 part 9 — new annex on two-phase discharge capacity publishedUKOOOA releases updated guidance on subsea wellhead pressure testing documentationIMechE fluid mechanics group: annual Osborne Reynolds lecture series registration openSPE paper 218340: continuous sand-monitoring field results from a Gulf of Mexico producerHydraulic Institute updates pump efficiency test standard ANSI/HI 14.6-2024Shell Global Solutions opens applications for 2026 flow assurance engineering fellowshipAnsys Fluent 2025R2: improved VOF-to-DPM transition modelling for separator inlet devicesFlow assurance forum: wax deposition models benchmarked against 12 field production datasetsPSV sizing standard EN ISO 4126 part 9 — new annex on two-phase discharge capacity publishedUKOOOA releases updated guidance on subsea wellhead pressure testing documentationIMechE fluid mechanics group: annual Osborne Reynolds lecture series registration openSPE paper 218340: continuous sand-monitoring field results from a Gulf of Mexico producerHydraulic Institute updates pump efficiency test standard ANSI/HI 14.6-2024Shell Global Solutions opens applications for 2026 flow assurance engineering fellowshipAnsys Fluent 2025R2: improved VOF-to-DPM transition modelling for separator inlet devices
FLOW MEASUREMENT

Multiphase flow metering in deepwater production: the error budget nobody audits

Gas void fraction uncertainty cascades through every layer of a MPFM stack. How a 4% GVF measurement error in the test separator model became a 12% production allocation discrepancy at year-end.

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Flow Measurement & Instrumentation

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FLOW MEASUREMENT

Wet vs dry calibration for ultrasonic transit-time meters

Propagation of calibration uncertainty into fiscal allocation measurements.

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CFD ANALYSIS

Adaptive mesh refinement for free-surface problems

Efficiency gains and the pitfall of under-resolved interface curvature in VOF.

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PROCESS HYDRAULICS

Net positive suction head: the margin that matters

NPSHA calculation errors most frequently identified in plant audit reviews.

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CFD & Numerical Simulation

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INSTRUMENTATION

Thermowell wake frequency: when ASME PTC 19.3 is insufficient

Dynamic analysis of thermowells in pulsating flow — beyond steady-state vortex shedding.

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PIPELINE ENGINEERING

Subsea pipeline walking: prediction and mitigation strategies

Thermal-transient-driven axial walking in HP/HT flowlines vs analytical model predictions.

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ROTATING EQUIPMENT

Mechanical seal flush plan selection for difficult process fluids

API Plan 53B vs 53C — decision criteria extending beyond the standard's guidance scope.

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"If your suction conditions shift 10%, expect your MTBF to shift by more."

— James Okafor, FluidsMech Engineering

Pipeline Engineering

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HYDRAULIC SYSTEMS

Hydraulic shock behaviour in cryogenic systems

Phase change effects during pressure transients in liquid nitrogen service piping.

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STRUCTURAL INTEGRITY

Clamp-on ultrasonic monitoring during live pigging operations

Real-time wall thickness surveillance as the pig traverses a suspected corrosion zone.

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FLOW MEASUREMENT

Gamma-ray densitometry calibration for heavy crude applications

Temperature and pressure correction factors rarely discussed in vendor documentation.

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Hydraulic Systems & Structural Integrity

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CFD ANALYSIS

Rotating frame simulations for centrifugal compressor performance maps

MRF vs sliding mesh methods: accuracy and computational cost trade-offs evaluated.

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PROCESS HYDRAULICS

Pipe network balancing with multiple variable-speed pumps

Affinity law application limits when operating significantly off the best efficiency point.

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INSTRUMENTATION

Vortex flowmeter installation in a pulsating flow stream

How compressor-driven pulsation at 8–12 Hz corrupts vortex shedding frequency counting.

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Flow Measurement & Instrumentation

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CFD Analysis & Simulation

Turbulent flows, heat transfer, multiphase systems, and aerodynamic profiling using validated commercial and open-source solvers.

Pipeline Engineering

Flow assurance, stress analysis, corrosion modelling, and integrity management for onshore and offshore pipeline networks.

Process Optimisation

Efficiency audits, pressure drop minimisation, pump scheduling, and energy recovery for industrial process plants.

R&D Consulting

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FluidsMech Engineering was founded by a team of hydraulic and mechanical engineers with roots in industrial R&D. Over fifteen years we have grown into a trusted partner for process plants, infrastructure operators, and research facilities across Europe, the Middle East, and Asia.

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