探討大眾運輸交通工具二氧化碳濃度

通勤者依賴著大眾運輸交通工具，當前又受疫情影響，沒有高換氣容易造成群聚感染，在國際上，有人提出室內或密閉空間二氧化碳濃度應在700ppm以下，才能有效的降低感染，因此，我們透過台灣不同交通工具與形式進行探討，並以自製的感測器進行實際量測，實驗結果，卻發現台灣交通工具在多數時間無法維持在700ppm以下，相較之下，台灣規範的1000ppm也僅有高鐵能長時間達成，且是在有換氣的車廂。而最差的為國道客運，最高能到達2600ppm，雖然行駛國道後能有效的下降，最低也是高於台灣規範之標準的1300ppm，此結果讓我們更深入的探討換氣的重要性，其中非區域性的高鐵、台鐵與客運更是如此。

關鍵字

大眾運輸交通工具；二氧化碳；濃度

並列摘要

Commuters rely on transport tools and are currently affected by the epidemic. Without high ventilation, it is easy to cause cluster infection. Internationally, it has been proposed that the concentration of carbon dioxide in indoor or confined space should be less than 700ppm in order to effectively reduce infection. Therefore, we discussed through different means and forms of transportation in Taiwan and carried out actual measurement with self-made sensors. The experimental results, However, it is found that Taiwan's means of transport can not be maintained below 700ppm for most of the time. In contrast, only high-speed railway can reach 1000ppm in Taiwan for a long time, and it is in cars with ventilation. The worst is the highway passenger transport, which can reach 2600ppm at most. Although it can decrease effectively after driving the highway, the lowest is 1300ppm higher than the standard of Taiwan. This result allows us to further explore the importance of ventilation, especially for non regional high-speed railway, Taiwan Railway and passenger transport.

並列關鍵字

transportation tool ； carbon dioxide ； concentration

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