{"title":"带前缘襟翼的错开超音速双翼型气动分析","authors":"V. K. Patidar, MD. G. Sarwar, S. Joshi, D. Sahoo","doi":"10.1134/S0015462825601494","DOIUrl":null,"url":null,"abstract":"<p>The aerodynamic performance of staggered supersonic biplane airfoils equipped with leading-edge flaps is studied using numerical simulation. A parametric analysis is carried out to estimate the effects of the stagger distance and the flap deflection angles on the lift-to-drag ratio, the shock wave interactions, and the overall aerodynamic efficiency. The results show that the optimum stagger configurations significantly reduce the wave drag by up to 18%, while the introduction of leading-edge flaps enhances the lift-to-drag ratio by approximately 22% as compared to the conventional biplane designs without flaps. The optimized flap deflection angles effectively smooth the pressure distributions and delay flow separation, leading to improved aerodynamic stability.</p>","PeriodicalId":560,"journal":{"name":"Fluid Dynamics","volume":"60 5","pages":""},"PeriodicalIF":0.6000,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Aerodynamic Analysis of a Stagger Supersonic Biplane Airfoil with Leading Edge Flap\",\"authors\":\"V. K. Patidar, MD. G. Sarwar, S. Joshi, D. Sahoo\",\"doi\":\"10.1134/S0015462825601494\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The aerodynamic performance of staggered supersonic biplane airfoils equipped with leading-edge flaps is studied using numerical simulation. A parametric analysis is carried out to estimate the effects of the stagger distance and the flap deflection angles on the lift-to-drag ratio, the shock wave interactions, and the overall aerodynamic efficiency. The results show that the optimum stagger configurations significantly reduce the wave drag by up to 18%, while the introduction of leading-edge flaps enhances the lift-to-drag ratio by approximately 22% as compared to the conventional biplane designs without flaps. The optimized flap deflection angles effectively smooth the pressure distributions and delay flow separation, leading to improved aerodynamic stability.</p>\",\"PeriodicalId\":560,\"journal\":{\"name\":\"Fluid Dynamics\",\"volume\":\"60 5\",\"pages\":\"\"},\"PeriodicalIF\":0.6000,\"publicationDate\":\"2025-09-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Fluid Dynamics\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://link.springer.com/article/10.1134/S0015462825601494\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"MECHANICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fluid Dynamics","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1134/S0015462825601494","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MECHANICS","Score":null,"Total":0}
Aerodynamic Analysis of a Stagger Supersonic Biplane Airfoil with Leading Edge Flap
The aerodynamic performance of staggered supersonic biplane airfoils equipped with leading-edge flaps is studied using numerical simulation. A parametric analysis is carried out to estimate the effects of the stagger distance and the flap deflection angles on the lift-to-drag ratio, the shock wave interactions, and the overall aerodynamic efficiency. The results show that the optimum stagger configurations significantly reduce the wave drag by up to 18%, while the introduction of leading-edge flaps enhances the lift-to-drag ratio by approximately 22% as compared to the conventional biplane designs without flaps. The optimized flap deflection angles effectively smooth the pressure distributions and delay flow separation, leading to improved aerodynamic stability.
期刊介绍：
Fluid Dynamics is an international peer reviewed journal that publishes theoretical, computational, and experimental research on aeromechanics, hydrodynamics, plasma dynamics, underground hydrodynamics, and biomechanics of continuous media. Special attention is given to new trends developing at the leading edge of science, such as theory and application of multi-phase flows, chemically reactive flows, liquid and gas flows in electromagnetic fields, new hydrodynamical methods of increasing oil output, new approaches to the description of turbulent flows, etc.
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