What does this research mean for the field?

A newly designed hybrid inertial-centrifugal gas-liquid separator, optimized using a coupled computational fluid dynamics and response surface methodology framework, achieves 98.86% separation efficiency at a 5005 Pa pressure drop, substantially outperforming conventional cyclones. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To develop and optimize a compact hybrid gas–liquid separator combining inertial impaction and stationary-blade centrifugal guidance to efficiently remove liquid aerosols from compressed gas.

September 3, 2026Asia-Pacific Journal of Chemical EngineeringOpen Access

Hybrid Inertial–Centrifugal Gas–Liquid Separator: CFD‐Driven Optimization Using Coupled Discrete Phase and Wall‐Film Modeling With Response Surface Methodology

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To develop and optimize a compact hybrid gas–liquid separator combining inertial impaction and stationary-blade centrifugal guidance to efficiently remove liquid aerosols from compressed gas.
Coupled the discrete phase model with an Eulerian wall-film model in ANSYS Fluent to simulate droplet dynamics, breakup, and wall-film formation.
Screened thirteen geometric parameters using a Taguchi L27 orthogonal array, followed by response surface methodology optimization focused on stationary blade count and fixture-to-outlet distance.
The optimized design achieved 98.86% separation efficiency at a pressure drop of 5005 Pa, outperforming conventional cyclones operating at 85%–92% efficiency across 3–6 kPa.
Grade separation efficiency exceeded 99% for droplets larger than 5 μm and reached 95% for 2 μm droplets, with stable performance maintained across 40%–160% flow rates and 0.3–0.6 MPa inlet pressures.

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Implication

Numerical simulation study demonstrates 98.86% liquid separation efficiency in compressed gas streams, indicating superior droplet removal over conventional cyclones.

Cite This Study

Kang et al. (2026) studied this question.

synapsesocial.com/papers/6a993600636c6408cfa7ecc5 https://doi.org/10.1002/apj.70282

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Implication

Numerical simulation study demonstrates 98.86% liquid separation efficiency in compressed gas streams, indicating superior droplet removal over conventional cyclones.

Hybrid Inertial–Centrifugal Gas–Liquid Separator: CFD‐Driven Optimization Using Coupled Discrete Phase and Wall‐Film Modeling With Response Surface Methodology

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Implication

Cite This Study

Hybrid Inertial–Centrifugal Gas–Liquid Separator: CFD‐Driven Optimization Using Coupled Discrete Phase and Wall‐Film Modeling With Response Surface Methodology

Key Points

Discussion

Implication

Cite This Study

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