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            暖通空調雜志社>期刊目次>2021年>第9期

            冬奧會跳臺滑雪項目賽道核心區氣流防控裝置模擬設計方法

            CFD-based design method of airflow prevention device in core area of ski jumping event in Winter Olympics

            李紫微[1] 張銘琦[2] 陳洪鐘[3] 程鵬飛[4] 林波榮[5] 曹彬[5]
            [1]北京工業大學 [2]清華大學建筑設計研究院有限公司 [3]中共北京市委辦公廳 [4]北京智融天象科技有限公司 [5]清華大學

            摘要:

             跳臺滑雪項目賽道核心區氣流穩定性對于運動員安全至關重要。為滿足跳臺氣候防護需求,提出了賽道核心區氣流防控裝置形態模擬設計方法和流程。采用CFD模擬方法,精準控制運動流線上最高側向風速不超過5 m/s;兼顧裝置美學特性,設計不規則曲線形態的氣流防控裝置,在保障運動員運動安全的同時,提升觀眾觀賽體驗。該方法提升了賽道剖面運動流線以下低風速區面積和整體氣流穩定性,解決了跳臺滑雪核心區風環境干預難的問題。

            關鍵詞:冬奧會,跳臺滑雪,計算流體力學模擬,氣流防控,防風裝置設計

            Abstract:

            The stable airflow in the core area of the ski jumping event is of vital importance to the safety of athletes. In order to meet the climate protection needs of the ski jumping event, proposes a simulation-based design method and a process for the airflow prevention device shape in the core area of the track. Uses the CFD simulation method to accurately control the maximum lateral wind speed on the movement streamline to not exceed 5 m/s. Taking into account the aesthetic characteristics of the device, designs an irregularly curved airflow prevention device, which can ensure the safety of athletes and improve the spectator’s watching experience. The simulation analysis shows that the climate protection device proposed in this work can significantly increase the area of the low wind speed area below the track profile movement streamline, improve the overall airflow stability of the track profile, and effectively solve the problem of difficult wind environment intervention in the core area of ski jumping.

            Keywords:WinterOlympics,skijumping,CFDsimulation,airflowprevention,designofprotectiondevice

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