Apsara reactor in which state. Mumbai is the site of the first nuclear reactor to be built in Asia, the Apsara Research Reactor. The reactor pool block provides structural support for a movable trolley located at the pool top, from which the core is suspended. 8 MW, i. As a part of upgrading, the exist… The other major utilization of Apsara reactor is to provide enhanced facilities for beam tube research, neutron activation analysis, neutron radiography, neutron detector development & testing and shielding experiments. The nuclear reactor APSARA achieved criticality at 3:45 PM on August 4, 1956. India's first nuclear reactor, Apsara was designed under his guidance. To calculate reactivity in real-time specifically for Apsara-U (in the regime where source term can be The Apsara of Borobudur, the flying celestial maiden depicted in a bas-relief of the 9th-century Borobudur temple, Java, Indonesia In the Indonesian language throughout medieval times, apsaras are also known as 'bidadari', being conflated with the 'vidyadharis' (from Sanskrit word vidhyadhari: vidhya, 'knowledge'; dharya, 'having, bearer, or bringer') known as Bidadari in the modern Indonesian The reactor was designed and built in record time entirely by Indian scientists and engineers. 45pm on August 4, 1956, ushering in the nuclear era for not only India, but Asia as well. With this achievement, India became the first country in Asia to operate a nuclear research Sep 9, 2022 · Apsara is India's first research reactor, founded by the Bhabha Atomic Research Centre (BARC) in Mumbai, Maharashtra. APSARA is located at BARC, Mumbai. Table - 1 : Salient Features of Upgraded Apsara reactor APSARA-U Apsara-U (Apsara-Upgraded) was successfully commissioned and its First Approach to Criticality (FAC) was achieved on 10 th September 2018. Below is the list of 7 sites where Nuclear Power Plants are located in India. The refurbished version of this reactor has been named as ‘Apsara-upgraded’ (Apsara-U) and also has double capacity compared to its earlier version. India’s oldest research reactor ‘Apsara’ at the Bhabha Atomic Research Centre (BARC), Trombay, which was shut-down in 2009, has been upgraded and recommissioned. The correct answer is Apsara. The Mumbai-based Apsara Research Reactor is Asia’s first nuclear power plant. It was built in collaboration with the United Kingdom which provided the initial fuel. India’s oldest research reactor 'Apsara', which was shut down permanently in 2009 for repair, was recommissioned with a higher capacity on September 10, 2018 at Bhabha Atomic Research Centre Mumbai is the site of the first nuclear reactor to be built in Asia, the Apsara Research Reactor. India's and Asia's first nuclear reactor, Apsara was inaugurated by Prime Minister Jawahar Lal Nehru on 20 January 1957. Indigenously developed Low Enriched Uranium (LEU) fuel in Uranium Silicide form is used in the reactor. It was dedicated to the nation by Jawaharlal Nehru on January 20, 1957. The three thermal research reactors at Trombay, Apsara (400 kW), Cirus (40 MW) and Zerlina (100 W) have played a vital role in furthering the programme of nuclear research and development in India. The reactor, made indigenously, uses plate type dispersion fuel elements made of. It was important for training scientists and developing nuclear technology BARC has eight research reactors namely Apsara, Cirus, Dhruva, Zerlina, Purnima-I, Purnima-II, Purnima-III, and Kamini. Located within India's nuclear weapons facility at the Bhabha Atomic Research Center (BARC) in Mumbai Home Reactors Research Reactors in BARC APSARA-U APSARA ZERLINA CIRUS DHRUVA PURNIMA-I PURNIMA-II PURNIMA-III AHWR-CF On 4 th August 1956, the nuclear reactor APSARA attained criticality at 3:45 PM. It was inaugurated by Prime Minister Nehru on 20 January 1957. It was dedicated to the country in 1957 by the first PM of India, Jawahar Lal Nehru. Under his tenure, DRDO was transformed into a more challenging workplace. Apsara went critical at Bhabha Atomic Research Centre (BARC), Trombay on August 4, 1956. [3][6] In 1957, the first research nuclear reactor Apsara became operational at BARC and Ramanna was part of the team working on the same. Presently, India operates 22 nuclear reactors, consisting of 18 Pressurised Heavy Water Reactors (PHWRs) and 4 Light Water Reactors (LWRs). It heralded the arrival of India's nuclear energy programme. It was commissioned by the Bhabha Atomic Research Centre (BARC). This means that each fission reaction releases enough neutrons to maintain the chain reaction, a crucial milestone in commissioning a reactor. Apsara reactor was built in August 1956. Apsara reactor has been a well-utilized facility and continues to support the education and research needs of the nation. The reactors have been extensively utilized not only for basic research in the fields of nuclear The correct answer is Apsara. Criticality refers to the state of a nuclear reactor when the nuclear fission reaction becomes self-sustaining. Criticality is a state of a nuclear reactor where the nuclear fission reaction becomes self-sustaining. At present, India has 22 operating nuclear reactors in 7 nuclear power plants with an installed capacity of 6,780 MW. A common design is a pool type reactor like Apsara, where the core is a cluster of fuel elements housed in a large pool of water. Key Points Apsara: On 4 August 1956, Nuclear Research Reactor APSARA was commissioned by Bhabha Atomic Research Centre (BARC). . This means that each fission reaction releases enough neutrons to sustain the chain reaction. Since the 1990s, Russia has been a major supplier of nuclear fuel to India. Dec 19, 2025 · APSARA was commissioned at Trombay, Mumbai, and achieved its first criticality on 4 August 1956. Key Points Apsara is the first nuclear reactor made in India. These early steps laid the foundation for what would become one of the world’s most comprehensive nuclear programmes. The reactor was built with assistance from the United Kingdom who provided the initial fuel. It was also the first nuclear reactor in Asia. Marking the genesis of the nuclear era for India and Asia when it was opened by Prime Minister Jawaharlal Nehru in 1956, the one-megawatt reactor is to become a historical and educational artifact that will provide an immersive In 1956, Asia’s first research reactor, Apsara, was commissioned at the Bhabha Atomic Research Centre (BARC) in Trombay. After providing more than five decades of dedicated service to the researchers, the reactor was shut down in 2009. Apsara was a pool-type reactor and marked India's entry into nuclear research. Indian stamp shows Apsara, India's and Asia's first nuclear reactor, at Trombay At a meeting of the Atomic Energy Commission on 15 March 1955, the decision was made to construct a small nuclear reactor at Trombay. Aug 7, 2023 · The reactor is Apsara at Bhabha Atomic Research Centre (BARC) at Trombay, which became critical 67 years ago at 3. Its design was conceptualized by Dr Homi Bhabha (the Father of the Indian nuclear programme) in 1955. The Apsara Apsara India's first nuclear reactor is named Apsara. It is located within India’s nuclear weapons facility at BARC’s Trombay campus (Maharashtra). PFBR marks the second stage of the three-stage nuclear power programme of the country with a “closed fuel cycle”, and the spent fuel from the first stage would be “reprocessed and used as fuel” in FBR. APSARA Full Form - APSARA was the first Nuclear Research Reactor in India and Asia. It was founded by Homi Jehangir Bhabha as the Atomic Energy Establishment, Trombay (AEET) in January 1954 as a multidisciplinary research program essential for India's nuclear program. India has a modest indigenous uranium stockpile and is reliant on uranium supplies from other Nearly after sixty-two years of Apsara’s coming to life, an indigenously made advanced swimming-pool type research reactor bearing the name “Apsara-Upgraded” Asia’s first nuclear reactor is the Apsara Research Reactor situated in Mumbai. Apsara Research Reactor in Mumbai is Asia's first Nuclear Reactor. “Apsara”, the first research reactor in Asia became operational in the Trombay campus of Bhabha Atomic Research Centre in August 1956. The next reactor to be built at BARC was CIRUS, which reached criticality on July 10, 1960. Dhruva: Commissioned in 1985, Dhruva is a high-power research reactor also located at BARC. It is a light water swimming pool reactor, with Al- U alloy fuel elements that are enriched to 40% U/sup 235/. It operates under the Department of Atomic Energy (DAE), which is APSARA is India’s first reactor. Apsara, Asia's oldest research reactor, is active again nine years after it was shut down. The domestic uranium reserve in India is small and the country is dependent on uranium imports from other countries to provide fuel to its nuclear power industry. “Apsara” is the first nuclear reactor in India as well as Asia which became operational in the Trombay campus of Bhabha Atomic Research Centre in August 1956. It was also the first Nuclear Reactor in Asia. Salient features of the upgraded Apsara reactor are given in Table-1. India's Apsara reactor at the Bhabha Atomic Research Centre (BARC) in Trombay is being transformed into a public museum in a project that could set a global precedent. This article by Careers360. Tarapur Atomic Power Station was constructed initially with two boiling water reactor (BWR) units under the 1963 123 Agreement between India, the United States, and the International Atomic Energy Agency (IAEA). Scientists on Friday celebrated 50 years of the country's first nuclear research reactor -- Apsara, which has played a key role in research in areas as diverse as forensic science and the study of India's Apsara reactor at the Bhabha Atomic Research Centre (BARC) in Trombay is being transformed into a public museum in a project that could set a global precedent. It was commissioned in 1956 at Bhabha Atomic Research Centre (BARC) in Mumbai. Key Points Apsara was the First Indian Nuclear Reactor. CIRUS has been used for production of radioisotopes, research in solid state physics and fission physics. This paper describes the physics design calculations for equilibrium core of a proposed 2MW upgraded Apsara reactor. The reactor would be used for training personnel for the operation of future reactors and for research, including experiments in nuclear physics, studying the effects of irradiation Unlike power reactors having standardized design, different RRs have distinct designs and operating modes. The Bhabha Atomic Research Centre (BARC) is India's premier nuclear research facility, headquartered in Trombay, Mumbai, Maharashtra, India. Reactivity meter is a device to measure reactivity instant to instant using real time computation based on inverse kinetics equation (IK). After five decades of operation, the research reactor was shut down in 2009. In view of the long service period seen by the reactor it is now planned to carry out extensive refurbishment of the reactor with a view to extend its useful life. 90% of rated power, on 28/02/2021 90%. The Apsara reactor’s significance lies in the fact that it was the first step towards India’s self-sufficiency in nuclear technology. In 1952, he started working on the Indian nuclear programme at the Atomic Energy Establishment in Trombay (later renamed as Bhabha Atomic Research Centre (BARC)). Homi Bhabha himself conceptualised the design of the reactor and the reactor was built entirely by Indian engineers in a record time of about 15 months APSARA: Asia's First Nuclear Research Reactor – A Historic Achievement in India's Scientific Journey Introduction On August 4, 1956, at 03:45 PM, India marked a milestone not only in its Unlike power reactors having standardized design, different RRs have distinct designs and operating modes. It marked the beginning of India’s journey towards becoming a nuclear power. e. It finds application in control rod worth evaluation, calibration of reactivity devices and indication of point of criticality during reactor start up. Located within India's nuclear weapons facility at the Bhabha Atomic Research Center (BARC) in Mumbai The reactor pool also accommodates process piping, instrumentation and spent fuel storage cages. Discover India's first nuclear reactor. Apsara went critical at BARC on August 4, 1956. " Scientists on Friday celebrated 50 years of the country's first nuclear research reactor -- Apsara, which has played a key role in research in areas as diverse as forensic science and the study of CIRUS: This reactor, commissioned in 1960, was a significant research reactor built with Canadian assistance (hence the name CIRUS - Canada India Reactor Utility Services). Apsara is a light water swimming pool-type reactor with a maximum power output of one megawatt thermal (MWt). The reactor was designed by the Bhabha Atomic Research Center (BARC) and built with assistance from the United Kingdom, which also provided the initial fuel supply consisting of 80 per cent enriched uranium. APSARA was Asia's first nuclear research reactor and India's first. What is Apsara? Subsequently “Apsara”, the first research reactor in Asia became operational in Trombay campus of Bhabha Atomic Research Centre in August 1956. In the state of Uttar Pradesh, the Narora nuclear power plant is situated. It also laid the necessary infrastructure for nuclear research in basic & applied sciences and isotope production. Apsara, a 1 MWt pool type reactor using HEU fuel has been in operation at the Bhabha Atomic Research Centre, Trombay since 1956. It is also proposed to modify the design of the reactor wherein the core will be surrounded by a heavy India’s First Nuclear Reactor was Apsara. Learn about Apsara, its history at BARC, and its significance in paving the way for India's nuclear research and power program. India has a modest indigenous uranium stockpile and is reliant on uranium supplies from other In many countries where nuclear energy contributes a substantial share of the power basket, such as the United States and Japan, nuclear reactors are built and operated by private entities. The reactor was designed by the BARC and built with assistance from the United Kingdom (which also provided the initial fuel supply consisting of 80 percent enriched uranium). Dhruva, a 100 MW thermal research reactor, has been built and is presently under commissioning. It was shut down in 2009 for a revamp. APSARA was the first Nuclear Research Reactor in India and also Asia. Apsara-U’s core has three specific locations inside the reactor pool, two of which site beam tubes. com will help you to understand the journey of India’s Strategic Nuclear Program. Marking the genesis of the nuclear era for India and Asia when it was opened by Prime Minister Jawaharlal Nehru in 1956, the one-megawatt reactor is to become a historical and educational artifact that will provide an immersive The Apsara reactor has contributed enormously towards training Indian engineers and scientists to gain experience and familiarity with the technology involved in the design, construction, operation and maintenance of nuclear reactors. Dr. While very important for India's nuclear program, it came after Apsara. In a tank type reactor like Dhruva and Cirus, core is contained in a closed vessel as in the power reactors. The Apsara A swimming pool type research reactor “Apsara-upgraded”, of higher capacity was born at Trombay on 10 th September 2018 at 18:41 hrs. Subsequently “Apsara”, the first research reactor in Asia became operational in Trombay campus of Bhabha Atomic Research Centre in August 1956. This is an important milestone in the commissioning of a India's First Nuclear Reactor was Apsara. This 40-MWt reactor uses natural uranium as fuel, heavy water as moderator and light water as coolant. The country boasts Asia’s first nuclear reactor, the Apsara Research Reactor located in Mumbai. India has a little indigenous uranium deposit; hence the country must import uranium from other nations to fuel its nuclear power industry. Apsara-U The reactor power of Upgraded Apsara has been raised to 1. Aug 4, 2025 · The country witnessed the criticality of APSARA, the first nuclear research reactor in Asia, at the then Atomic Energy Establishment, Trombay (AEET) — now known as the prestigious Bhabha Atomic Subsequently “Apsara”, the first research reactor in Asia became operational in Trombay campus of Bhabha Atomic Research Centre in August 1956. vu4ca, fmk7w0, p68qu, mvlcc, tnub, cmu2t, 9806u, hwib, qvebe, 3o44,