中國(guó)科學(xué)院研制的中國(guó)未來(lái)雙層高鐵動(dòng)車組概念模型被媒體披露，引發(fā)關(guān)注。

 

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據(jù)介紹，該雙層動(dòng)車組瞄準(zhǔn)國(guó)際市場(chǎng)，低重心，大容量，雙層動(dòng)車也能跑出時(shí)速350公里。同時(shí)整車采用輕量化設(shè)計(jì)，復(fù)合制動(dòng)控制，安全節(jié)能環(huán)保。

雙層動(dòng)車到底長(zhǎng)什么樣？

請(qǐng)看《環(huán)球時(shí)報(bào)》英文版雙語(yǔ)報(bào)道：

Recently revealed pictures of an alleged conceptual model of China's next-generation high-speed double-decker train have made quite a splash, with Chinese researchers positively speculating that it is "no problem" to develop such a 350-kilometers-per-hour train.

最近發(fā)布的中國(guó)下一代高速雙層列車概念模型圖片引起轟動(dòng)，中國(guó)研究人員積極預(yù)測(cè)研發(fā)出時(shí)速350公里的雙層動(dòng)車“沒(méi)問(wèn)題”。

The pictures were picked up by Chinese media including the Science and Technology Daily, an official paper administered by the Ministry of Science and Technology, and the model, according to the paper's report, was made by the Chinese Academy of Sciences (CAS).

模型圖片最早由科技日?qǐng)?bào)等中國(guó)媒體披露，據(jù)稱圖片中的雙層動(dòng)車組模型是由中國(guó)科學(xué)院（CAS）制作的。

Although there is no further information on the conceptual model mentioned in the report, the paper cited Zhang Weihua, a professor at Chengdu-based Southwest Jiaotong University, as saying that China, just like traditional high speed train powerhouses such as France and Germany, is advocating the development of double-decker bullet trains in a bid to expand the vehicles' ridership and make them run more economically and efficiently.

新華社報(bào)道在接受科技日?qǐng)?bào)記者采訪時(shí)，西南交通大學(xué)教授張衛(wèi)華表示傳統(tǒng)高鐵強(qiáng)國(guó)德國(guó)、法國(guó)均提倡雙層動(dòng)車組技術(shù)，來(lái)提高旅客乘坐能力，提供運(yùn)能，提高經(jīng)濟(jì)性。中國(guó)也在積極提倡研發(fā)這一技術(shù)。

"There won't be any problem to run these double-decker trains at a speed of 350 kilometers per hour, equivalent to the country's single-deckers, as long as we solve the design technique problems related to lowering the center of gravity on the coaches, increasing the coaches' capacity, and so on," said Zhang.

“就速度來(lái)說(shuō)，只要解決了低重心和大容量等設(shè)計(jì)技術(shù)問(wèn)題，單層速度跑時(shí)速350公里，雙層動(dòng)車速度也應(yīng)該沒(méi)問(wèn)題。”張衛(wèi)華說(shuō)。

According to the paper, the most critical challenge lies in that the high-speed double-decker vehicle would likely lose stability from the centrifugal force on fast turns.

科技日?qǐng)?bào)報(bào)道，車體高速轉(zhuǎn)彎時(shí)會(huì)因離心力作用導(dǎo)致失穩(wěn)，這將成為雙層高鐵動(dòng)車組研制中最關(guān)鍵的問(wèn)題。

However, Zhang stated that such an issue could be solved as the center of gravity can be lowered.

張衛(wèi)華認(rèn)為，只要車體重心低，在規(guī)定的平衡速度下，即離心力和曲線超高的重力橫向分量抵消，安全性不僅沒(méi)有問(wèn)題，而且會(huì)更好。

公開(kāi)資料顯示，在傳統(tǒng)的高鐵強(qiáng)國(guó)，雙層動(dòng)車組技術(shù)已經(jīng)比較成熟了。

According to the official website of the Europe-based makers of rail equipment Alstom, the company's Avelia Euroduplex to date is the only double-decker in the world running above 300 kilometers per hour.

歐洲的軌道交通制造商阿爾斯通公司官網(wǎng)顯示，其設(shè)計(jì)的Euroduplex列車，是目前世界上唯一時(shí)速能超過(guò)300公里的雙層動(dòng)車組。

Japan's E4 series double-decker carriages, which debuted in 1997, have a seating capacity of 1,634, the largest in the world among high-speed trains.

而日本雙層的高鐵動(dòng)車組新干線E4系列車于1997年就上線運(yùn)行，定員1,634人，是世界載客最多的高速車輛。

"China is technically ready for designing and manufacturing such double-decker high-speed trains," Jia Limin, a leading expert in high-speed trains and a professor at Beijing Jiaotong University, told the Global Times on Tuesday.

賈利民，北交大高鐵首席專家、教授，告訴《環(huán)球時(shí)報(bào)》記者“我國(guó)在雙層高鐵動(dòng)車組問(wèn)題上無(wú)論是研發(fā)制造還是運(yùn)營(yíng)維護(hù)都不存在技術(shù)問(wèn)題。”

Whether or not to manufacture such trains depends on the national railway authorities' overall planning and calculation, he noted. Such a pricy upgrade must bring back reasonable profits, Jia said.

他認(rèn)為是否要建造這樣的高鐵要看國(guó)家運(yùn)營(yíng)部門對(duì)于其經(jīng)濟(jì)性的考量。他認(rèn)為如此昂貴的升級(jí)必須帶來(lái)合理的利潤(rùn)。

Jia also pointed out that the actual market needs do exist on busy routes in the eastern plains, including lines such as Beijing-Shanghai and Shanghai-Hangzhou, where it is not uncommon for tickets to sell out.

他認(rèn)為在我國(guó)東部平原線路確實(shí)有雙層動(dòng)車的現(xiàn)實(shí)需求，比如說(shuō)京滬線、滬杭線經(jīng)常發(fā)生車票售罄的情況。

Jia suggested running such double-decker carriages during peak holidays and switching to regular single-decker could be a workable mode for the operators.

他建議可以考慮節(jié)假日用雙層，平時(shí)用一般單層的模式。

但是也有專家表示了疑慮。

Sun Zhang, a railway expert and professor at Shanghai Tongji University, told the Global Times that while it was legitimate to prepare double-decker technology for the long term, it should not be top priority in the short run.

高鐵專家、同濟(jì)大學(xué)教授孫章認(rèn)為建設(shè)雙層動(dòng)車組可以作為科研項(xiàng)目準(zhǔn)備，但不應(yīng)該是首要的任務(wù)。

That top priority, according to Sun, should be "a regular single-decker high speed system in the less developed middle and western parts of the country."

他告訴《環(huán)球時(shí)報(bào)》記者中國(guó)高鐵現(xiàn)階段的主要矛盾不是運(yùn)能不足，而是要在中西部這樣的待發(fā)展地區(qū)增加游客出行的需求。

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