1. China’s indigenous might: 90 per cent of new manned submersible built by country’s scientists

China’s indigenous might: 90 per cent of new manned submersible built by country’s scientists

The newly constructed submersible, which will carry out research on earth's seabeds, has capability to dive 4,500 meters under the sea.

By: | New Delhi | Updated: April 11, 2017 3:24 PM
china, manned submersible, indigenous, china submersible The newly constructed submersible, which will carry out research on earth’s seabeds, has capability to dive 4,500 meters under the sea. (Representative image)

In another fine instance of indigenous technological advancement, China has built a manned submersible comprising key parts, 90 per cent of which are manufactured by the country’s scientists. The newly constructed submersible, which will carry out research on earth’s seabeds, has capability to dive 4,500 meters under the sea, according to the People’s Daily.

Notably, China has been developing a manned submersible capable of reaching the deepest known points in the worlds oceans in search of precious metals. The 11,000-metre deep-sea submersible is planned to conduct its first ocean test in 2021, said Yan Kai, director of the state key laboratory of deep-sea manned submersible under the China Ship Scientific Research Centre.

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Yan, a deputy to the National Peoples Congress, told state-run Xinhua news agency on the sidelines of the annual legislative session that the submersible is part of the Jiaolong family, whose manned device set Chinas record of reaching 7,062 metres deep in the Pacific Oceans Mariana Trench in 2012.

Earlier this month, one of the submersibles, Jiaolong, operating in the northwestern Indian Ocean, to search for deposits of precious metals descended to a new depth of 3,117 metres below sea level and collected a variety of samples.

Yan said the record-setting dive boosted the confidence of Chinese scientists in conducting deep-sea research exploration on their own and laid a solid foundation of developing even more sophisticated devices.

The known deepest part of the ocean is the Challenger Deep at a depth of around 11,000 metres in the Mariana Trench. Submersibles capable of reaching that depth will offer new hopes of setting up deep-sea labs, where scientists can conduct biological, medical and genetic research and explore mineral, oil and gas resources.

But Yan said 11,000-metre submersible research still faces challenges in areas including pressure-resistent materials, design, energy and telecommunications. Meanwhile, Yans lab is in the final stages of developing a 4,500-meter submersible to be delivered to the Institute of Deep-sea Science and Engineering under the Chinese Academy of Sciences in the second half of this year.

The submersible, which was completely designed and made in China, is equipped with five observation windows and can stay underwater for 12 hours, creating favourable conditions for researchers to expand the scope of their observation, Yan said.

A series of submersibles to dive at a range of 1,000 to 2,000 metres are also being planned. “Humans understanding of the deep sea is shallower than that of the moon surface,” he said. “Conducting scientific research in the deep sea will boost our knowledge about the oceans and Earth”, Yan said.

(With agency inputs)

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