空气动力学学报2024，Vol.42Issue(2)：1-20,20.DOI:10.7638/kqdlxxb-2023.0051
低真空管道列车关键气动问题研究进展
Progresses in key aerodynamic problems of low-vacuum tube trains
摘要
Abstract
Even though maglev trains in low-vacuum tubes have demonstrated outstanding potential for future high-speed ground transport,several unresolved critical aerodynamic problems hinder their practical application.A high-speed tube train in a confined space usually results in choked flow fields that dramatically increase drag,surface heat flux,and noise.The aerodynamic problems become highly complicated when several high-speed trains operate in a tube due to flow field interference.The present study first summarizes the characteristics of tube train flow fields from near-and full-field perspectives and provides criteria for choosing operating speed,blockage ratio,departure interval,and operating mode.Moreover,the future development directions of tube train aerodynamics are prospected based on the review of the progress of the aerodynamic research and current research hot topics about the full-course operation.Based on the above overview,emphases should be directed toward developing reliable analyzing methods to investigate thermal and acoustic fields,especially when aerodynamic interference is present,and efficient strategies to reduce drag,surface heat flux,and noise.关键词
管道列车/气动力/流动模态/全线运行/真空管道/多车干扰Key words
tube train/aerodynamic/flow modes/full-course operation/vacuum tube/aerodynamic interference among trains分类
交通工程引用本文复制引用
侯自豪,毛凯,朱雨建,薄靖龙,申振,李少伟..低真空管道列车关键气动问题研究进展[J].空气动力学学报,2024,42(2):1-20,20.基金项目
国家自然科学基金(12072014) （12072014）
山西省科技重大专项(202101110401023) （202101110401023）
新疆省科技重大专项(2019ZD003A) （2019ZD003A）
