Chethan Kumar
@Chethan_Dash
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Poet | Journalist (Space, Science & More) With https://t.co/CzqVFjKpgo | @APCSS Fellow | Expert Consultant On 2 (award winning) Space Films For @wbd
Joined April 2013
RT @Chethan_Dash: The 9th #ScienceOfTheTimes edition. 50yrs ago @isro & @NASA partnered for #SITE beaming info thru #TV to 2,400 villages….
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The 9th #ScienceOfTheTimes edition. 50yrs ago @isro & @NASA partnered for #SITE beaming info thru #TV to 2,400 villages. Today, they are hours away from launching #Nisar which holds potential to provide data on #Earth like never before.
The 8th #ScienceOfTheTimes edition. Find out how this new @iiscbangalore device can help in diagnosis of neuro disorders. Also read about other things from the world of science!
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RT @Chethan_Dash: #Samudrayaan is part of the Deep Ocean Mission and aims to send a three-member crew into the ocean up to a depth of 6km.….
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RT @Chethan_Dash: “At the heart of the HOV is a titanium personnel sphere, a 2,260mm diameter enclosure with 80mm thick walls, made from a….
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RT @Chethan_Dash: It added that the critical challenge in realising this human-rated vessel lay in developing a reliable high-penetration E….
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RT @Chethan_Dash: “This required welding depths between 80mm and 102mm, a first for the country. The Liquid Propulsion Systems Centre (LPSC….
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RT @Chethan_Dash: LPSC’s Bengaluru facility, which previously handled EBW up to 20mm, was significantly upgraded, Isro said, adding that th….
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RT @Chethan_Dash: The existing X-ray testing system, which operated in the kilovolt range, was similarly upgraded to a 7.5 MeV facility to….
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RT @Chethan_Dash: “To ensure safety and certification, multiple NDE methods were employed to verify weld quality — including Time of Flight….
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RT @Chethan_Dash: Nearly 700 welding trials were carried out to fine-tune process parameters. Artificial defects were introduced in test sa….
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RT @Chethan_Dash: Third-party agencies are reviewing and certifying the welding specifications, qualification protocols and NDE processes.….
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RT @Chethan_Dash: The breakthrough came with the successful completion of the first high-penetration weld on the actual sphere hardware. Th….
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RT @Chethan_Dash: The milestone marks a significant leap for India’s underwater exploration ambitions and brings Matsya-6000 closer to sea….
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RT @Chethan_Dash: Once complete, the vehicle will be among the very few human submersibles in the world capable of reaching such depths, op….
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Once complete, the vehicle will be among the very few human submersibles in the world capable of reaching such depths, opening new frontiers for deep sea science, resource exploration and technology development. n/n.
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The milestone marks a significant leap for India’s underwater exploration ambitions and brings Matsya-6000 closer to sea trials. 12/n.
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The breakthrough came with the successful completion of the first high-penetration weld on the actual sphere hardware. This involved 80 mm thick welds over a 7,100 mm length, achieved in a continuous 32-minute operation, “a national first in scale and precision” as per Isro. 11/n.
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Third-party agencies are reviewing and certifying the welding specifications, qualification protocols and NDE processes. 10/n.
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Nearly 700 welding trials were carried out to fine-tune process parameters. Artificial defects were introduced in test samples to validate and calibrate the inspection techniques. 9/n.
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