What does this research mean for the field?

A proposed transient CFD modeling methodology accurately predicts the thermal state, pressure, and temperature fields of rotary piston engines, enabling reliable engineering assessments and strength calculations. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To establish and validate a transient three-dimensional computational fluid dynamics methodology for predicting the thermal state and heat transfer of rotary piston engine components.

September 2, 2026Technical Physics

Features of Three-Dimensional Thermal State Modeling of a Rotary Piston Engine

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Authors

DVD.V. Vyalikov MSM.I. Stupen'kov AKA.L. Kozlov

Discussion

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Overview

Computational study reveals transient thermal and pressure distributions in rotary piston engines, highlighting a viable methodology for durability and structural calculations.

Key Points

To establish and validate a transient three-dimensional computational fluid dynamics methodology for predicting the thermal state and heat transfer of rotary piston engine components.
Implemented transient CFD simulations in Ansys Fluent utilizing user-defined functions and a dynamic computational mesh to account for rotor motion.
Integrated the Realizable k–ε turbulence model, the Finite Rate/Eddy Dissipation combustion model, and conjugate heat transfer across gas, solid, and liquid domains.
Validated the numerical predictions against experimental engine pressure and temperature measurements.
Successfully captured the transient three-dimensional distributions of gas velocity, pressure, and temperature across working chambers and solid engine components.
Achieved qualitative and quantitative agreement between the simulated fields and experimental temperature and pressure data, supporting its use for structural assessments.

Cite This Study

Vyalikov et al. (2026) studied this question.

synapsesocial.com/papers/6a97e237c562ede874ec6383 https://doi.org/10.1134/s1063784226700532

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September 2, 2026Technical Physics

Features of Three-Dimensional Thermal State Modeling of a Rotary Piston Engine

View Full Paper

Ask AI

Bookmark

Authors

DVD.V. Vyalikov MSM.I. Stupen'kov AKA.L. Kozlov

Discussion

Member takes

Overview

Computational study reveals transient thermal and pressure distributions in rotary piston engines, highlighting a viable methodology for durability and structural calculations.

Key Points

To establish and validate a transient three-dimensional computational fluid dynamics methodology for predicting the thermal state and heat transfer of rotary piston engine components.
Implemented transient CFD simulations in Ansys Fluent utilizing user-defined functions and a dynamic computational mesh to account for rotor motion.
Integrated the Realizable k–ε turbulence model, the Finite Rate/Eddy Dissipation combustion model, and conjugate heat transfer across gas, solid, and liquid domains.
Validated the numerical predictions against experimental engine pressure and temperature measurements.
Successfully captured the transient three-dimensional distributions of gas velocity, pressure, and temperature across working chambers and solid engine components.
Achieved qualitative and quantitative agreement between the simulated fields and experimental temperature and pressure data, supporting its use for structural assessments.

Cite This Study

Vyalikov et al. (2026) studied this question.

synapsesocial.com/papers/6a97e237c562ede874ec6383 https://doi.org/10.1134/s1063784226700532

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