함재기 안전임무수행범주 평가를 위한 함정갑판 공기유동의 CFD 모델링 DB 활용연구
A Study on the Methodology for Assessment of Safe Operating Envelope on Light Aircraft Carrier Using CFD Modeling Database of Flight Deck Air-wake
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초록
This study aims to evaluate the safe operating envelope (SOE) for light aircraft carriers using a computational fluid dynamics (CFD) modeling database of flight deck air-wake. Assessing the SOE is crucial for ensuring the safe operation of carrier-based aircraft, particularly during take-off and landing maneuvers. Traditional methods that only consider relative wind envelopes (RWE) provide basic information but fail to account for the complex airflow patterns over the flight deck. To address this limitation, this research utilizes CFD to analyze the air-wake and integrate these findings into the SOE assessment. Various studies on CFD modeling of airflow around naval ships and aircraft carriers were reviewed, confirming the importance of accurate airflow databases for operational safety. This study employs the KRISO-CVX1 model, a light aircraft carrier designed by the Korea Research Institute of Ships & Ocean Engineering (KRISO), to demonstrate the application of CFD data in SOE evaluations. The methodology involves a detailed analysis of turbulent flow and thermal fields around the carrier deck under different wind speed, direction, and ship speed conditions. The results indicate significant variations in air-wake characteristics depending on the relative wind speed and direction, impacting the operational safety of carrier-based aircraft. This study emphasizes the need for incorporating CFD-based airflow data into SOE assessments to enhance the accuracy and reliability of operational safety evaluations for aircraft carriers. In conclusion, the integration of CFD air-wake modeling databases provides a more comprehensive approach to assessing the SOE, offering improved safety margins for carrier-based aircraft operations. This research is expected to contribute to the development of more robust and precise operational guidelines for naval aviation.
Abstract
This study aims to evaluate the safe operating envelope (SOE) for light aircraft carriers using a computational fluid dynamics (CFD) modeling database of flight deck air-wake. Assessing the SOE is crucial for ensuring the safe operation of carrier-based aircraft, particularly during take-off and landing maneuvers. Traditional methods that only consider relative wind envelopes (RWE) provide basic information but fail to account for the complex airflow patterns over the flight deck. To address this limitation, this research utilizes CFD to analyze the air-wake and integrate these findings into the SOE assessment. Various studies on CFD modeling of airflow around naval ships and aircraft carriers were reviewed, confirming the importance of accurate airflow databases for operational safety. This study employs the KRISO-CVX1 model, a light aircraft carrier designed by the Korea Research Institute of Ships & Ocean Engineering (KRISO), to demonstrate the application of CFD data in SOE evaluations. The methodology involves a detailed analysis of turbulent flow and thermal fields around the carrier deck under different wind speed, direction, and ship speed conditions. The results indicate significant variations in air-wake characteristics depending on the relative wind speed and direction, impacting the operational safety of carrier-based aircraft. This study emphasizes the need for incorporating CFD-based airflow data into SOE assessments to enhance the accuracy and reliability of operational safety evaluations for aircraft carriers. In conclusion, the integration of CFD air-wake modeling databases provides a more comprehensive approach to assessing the SOE, offering improved safety margins for carrier-based aircraft operations. This research is expected to contribute to the development of more robust and precise operational guidelines for naval aviation.
참고문헌 (22)
- CFD code validation data and flow topology for the technical co-operation program AER-TP2 simple frigate shape, "Cheney, B.", ~, pp.LTR-A-035 (1999)
- Chung, J., "High-fidelity ship airwake CFD simulation method using actual large ship measurement and wind tunnel test results", Journal of the Society of Naval Architects of Korea, 60(2), pp.135~145 (2023)
- Forrest, J. S., "An investigation of ship airwakes using Detached-Eddy Simulation", Computers &Fluids, 39(4), pp.656~673 (2010)
- Forrest, J. S., "Evaluating ship superstructure aerodynamics for maritime helicopter operations through CFD and flight simulation", Aeronautical Journal, 120(1232), pp.1578~1603 (2016)
- Hodge, S. J., "Simulating the environment at the helicopter-ship dynamic interface : research, development and application", The Aeronautical Journal, 116(1185), pp.1155~1184 (2012)
- Hong, S. Y., "A study on short-take-off and vertical landing(STOVL)performance evaluation of a light aircraft carrier and a consistent analysis of safe operating envelope(SOE)", Journal of the Society of Naval Architects of Korea, 61(2), pp.125~134 (2024)
- Kelly, M. F., "The role of modelling and simulation in the preparations for flight trials aboard the Queen Elizabeth Class aircraft carriers", Conference Proceedings (2018)
- Kim, G., "Numerical study on frigate airwake using DES and SAS turbulence models", Master, pp.2019
- Lawson, S., "Computational fluid dynamics analyses of ship air wakes using detached-eddy simulation", Proceedings of the 38th European Rotorcraft Forum (2012)
- Lee, C. -H., "Airwake modeling around ship using CFD", Proceedings of the Korea Academia-Industrial Cooperation Society, pp.439~441 (2014)
- Linton, D., "Quantifying uncertainty in turbulence resolving ship airwake simulations", Ocean Engineering, 229, pp.108983~ (2021)
- Linton, D., "A study of LES methods for simulation of ship airwakes", Proceedings of the 46th AIAA Fluid Dynamics Conference (2016)
- Mahaffey, W., "Prediction of turbulent ship air-wake characteristics", Numerical Simulation of Fluid Flow and Heat, 1986, pp.18, ~[DOI]
- Shim, H., "A research of the flow-field measurement above the flight deck on LHP by PIV System", Journal of the Society of Naval Architects of Korea, 59(4), pp.225~234 (2022)
- Shur, M. L., "A hybrid RANS-LES approach with delayed-DES and wall-modelled LES capabilities", International Journal of Heat and Fluid Flow, 29(6), pp.1638~1649 (2008)
- LES, "Advances in DNS", pp.1997, Spalart, P. R.
- Thedin, R., "Coupled simulations of atmospheric turbulence-modified ship airwakes and helicopter flight dynamics", Journal of Aircraft, 56(2), pp.812~824 (2019)
- UK Civil Aviation, "Standards for offshore helicopter landing areas, CAP437", ~ (2021)
- Watson, N. A., "Computational and experimental modelling study of the unsteady airflow over the aircraft carrier HMS Queen Elizabeth", Ocean Engineering, 172, pp.562~574 (2019)
- Yeon, S. M., "Development and verification of modeling practice for numerical estimation of wind loads on offshore floating structures", International Journal of Naval Architecture and Ocean Engineering, 14, pp.100434~ (2022)
- Yuan, W., "Combined numerical and experimental simulations of unsteady ship airwakes", Computers & Fluids, 172, pp.29~53 (2018)
- Zhao, R., "Entropy-based detached-eddy simulation of the airwake over a simple frigate shape", Advances in Mechanical Engineering, 7(11) (2015)