The Dhruva reactor is

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

's largest nuclear

research reactor Research reactors are nuclear fission-based nuclear reactors that serve primarily as a neutron source. They are also called non-power reactors, in contrast to power reactors that are used for electricity production, heat generation, or maritim ...

. It was the first nuclear reactor in Asia proper. Located in the

Mumbai Mumbai (, ; also known as Bombay — the official name until 1995) is the capital city of the Indian state of Maharashtra and the ''de facto'' financial centre of India. According to the United Nations, as of 2018, Mumbai is the second- ...

suburb of

Trombay Trombay is an eastern suburb in Bombay (Mumbai), India. History Trombay was called Neat's Tongue because of its shape. Once, it was an island nearly 5 km East of Mumbai and was about 8 km in length and 8 km in width. The island ...

at the

Bhabha Atomic Research Centre The Bhabha Atomic Research Centre (BARC) is India's premier nuclear research facility, headquartered in Trombay, Mumbai, Maharashtra, India. It was founded by Homi Jehangir Bhabha as the Atomic Energy Establishment, Trombay (AEET) in January 195 ...

(BARC), it is India's primary generator of

weapons-grade plutonium Weapons-grade nuclear material is any fissionable nuclear material that is pure enough to make a nuclear weapon or has properties that make it particularly suitable for nuclear weapons use. Plutonium and uranium Uranium is a chemical eleme ...

-bearing spent fuel for its

nuclear weapon A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions ( thermonuclear bomb), producing a nuclear explosion. Both bom ...

s program. Originally named the R-5, this

open pool reactor NC State's PULSTAR Reactor is a 1 MW pool-type research reactor with 4% enriched, pin-type fuel consisting of UO2 pellets in zircaloy cladding.image:Pulstar1.jpg, The control room of North Carolina State University, NC State's Pulstar Nuclear R ...

first went

critical Critical or Critically may refer to: *Critical, or critical but stable, medical states **Critical, or intensive care medicine *Critical juncture, a discontinuous change studied in the social sciences. *Critical Software, a company specializing in ...

on 8 August 1985 after 10 years of construction. However, the unit did not attain full power until 1988. The reactor experienced at least one serious accident when of heavy water overflowed from the reactor core in 1985 following vibration problems. Designed as a larger version of the

CIRUS reactor CIRUS (Canada India Reactor Utility Services) was a research reactor at the Bhabha Atomic Research Center (BARC) in Trombay near Mumbai, India. CIRUS was supplied by Canada in 1954, but used heavy water (deuterium oxide) supplied by the United Sta ...

, Dhruva was an Indian designed project built to provide an independent source of weapons-grade plutonium free from safeguards. The Dhruva project cost 950 million rupees. The reactor uses heavy water (deuterium) as a moderator and coolant. Aluminum clad

fuel rod Nuclear fuel is material used in nuclear power stations to produce heat to power turbines. Heat is created when nuclear fuel undergoes nuclear fission. Most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing ...

s containing

natural uranium Natural uranium (NU or Unat) refers to uranium with the same isotopic ratio as found in nature. It contains 0.711% uranium-235, 99.284% uranium-238, and a trace of uranium-234 by weight (0.0055%). Approximately 2.2% of its radioactivity comes fr ...

are used to obtain a maximum thermal power output of 100

megawatt The watt (symbol: W) is the unit of Power (physics), power or radiant flux in the International System of Units, International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantification (science), ...

s. The reactor can produce of

per year.

Dhruva Dhruva (Sanskrit: ध्रुव, , lit. "''unshakeable, immovable, or fixed"'') was an ascetic devotee of Vishnu mentioned in the Vishnu Purana and the Bhagavata Purana. The Sanskrit term ''dhruva nakshatra'' (ध्रुव नक्ष� ...

, in Indian mythology, is a prince blessed to eternal existence and glory as the Pole Star by

Vishnu Vishnu ( ; , ), also known as Narayana and Hari, is one of the principal deities of Hinduism. He is the supreme being within Vaishnavism, one of the major traditions within contemporary Hinduism. Vishnu is known as "The Preserver" within t ...

. It can also mean 'immovable' in Sanskrit.

References

External links

* Nuclear research reactors Nuclear technology in India Atomic and nuclear energy research in India Military nuclear reactors 1985 establishments in Maharashtra {{India-powerstation-stub

See also

References

External links