| 词条 | Rohini (rocket family) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
Rohini is a series of sounding rockets developed by the Indian Space Research Organisation (ISRO) for meteorological and atmospheric study. These sounding rockets are capable of carrying payloads of {{convert|2|to|200|kg}} between altitudes of {{convert|100|to|500|km}}.[1] The ISRO currently uses RH-200, RH-300, RH-300 Mk-II and RH-560 Mk-II rockets, which are launched from the Thumba Equatorial Rocket Launching Station (TERLS) in Thumba and the Satish Dhawan Space Center in Sriharikota. NomenclatureThe rockets in the series are designated with the letters RH (for "Rohini"), followed by a number corresponding to the diameter (in millimetres) of the rocket.[2] {{anchor|RH-75|RH-125|RH-200|RH-300|RH-560}}Series
The RH-75, the first sounding rocket developed by India,[3] was launched from TERLS on November 20, 1967.[4] It weighed {{convert|32|kg}}, had a diameter of {{convert|75|mm|in}} and flew 15 times between November 1967 and September 1968.
This rocket was launched on October 9, 1971 from Sriharikota. It was a two-stage rocket using a solid propellant, carrying a {{convert|7|kg}} payload to {{convert|19|km}} in altitude. It flew twice between January 1970 and October 1971.
The RH-200 has a maximum launch altitude of {{convert|70|km}}.[5]
The Rh-300 is a single stage sounding rocket, derived from French Belier rocket engine technology. It has a launch altitude of 100 km (62 mi). A variant, the RH-300 Mk-II, has a maximum launch altitude of {{convert|116|km}}.[5]
This two stage vehicle is derived from French Stromboli engine technology. Another variant, the RH-560 Mk-II, can reach a maximum launch altitude of {{convert|548|km}}.[5] ApplicationsThe RH-200 is used for meteorological studies, the RH-300 Mk-II for upper-atmospheric studies and the RH-560 Mk-II for ionospheric studies. The RH-200 was used as the rocket for the first payload launch in India made by students (from VIT University in Vellore). The team members include Dev Sharma, Sunayan Kumar, Himanshu Misra, Chandresh Mittal, Ankit Sharma, Manish Kumar Narnoli, Nitesh Kumar and Gautam Alok.[6]
References1. ^{{cite news|last=Subramanium|first=T S|title=Reaching out to the stars|url=http://www.flonnet.com/fl2101/stories/20040116004011600.htm|accessdate=10 March 2012|newspaper=Frontline|date=16 January 2004|deadurl=yes|archiveurl=https://web.archive.org/web/20100219205953/http://flonnet.com/fl2101/stories/20040116004011600.htm|archivedate=19 February 2010|df=}} {{Rocket families}}{{Suborbital rocket engines}}{{Indian space programme}}{{Use Indian English|date=January 2014}}2. ^{{cite web|title=ISRO > FAQ|url=http://www.isro.org/scripts/faq.aspx#a14|work=Frequently Asked Questions: ISRO|publisher=Indian Space Research Organisation}} 3. ^{{cite news|last=Chari|first=Sridhar K|title=Sky is not the limit|url=http://www.tribuneindia.com/2006/20060722/saturday/main1.htm|accessdate=10 March 2012|newspaper=The Tribune|date=22 July 2006}} 4. ^http://www.isro.org/scripts/faq.aspx 5. ^1 2 {{cite news|last=Venugopal|first=P|title=Ten rockets fired to study solar eclipse|url=http://www.thehindu.com/news/national/article80825.ece|accessdate=11 March 2012|newspaper=The Hindu|date=15 January 2010}} 6. ^{{cite news|title=Isro launches rocket with part made by students|url=http://www.financialexpress.com/news/isro-launches-rocket-with-part-made-by-students/643498/0|accessdate=25 July 2013|newspaper=The Financial Express|date=8 July 2010}} 2 : Sounding rockets of India|Space programme of India |
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