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NPOL
The Naval Physical and Oceanographic Laboratory or NPOL is a laboratory of the Defence Research and Development Organisation (DRDO), under the Ministry of Defence, India. It is situated in Thrikkakara, Kochi, Kerala. NPOL is responsible for the research and development of sonar systems, technologies for underwater surveillance, study of ocean environment and underwater materials. History The Indian Naval Physical Laboratory (INPL) was established in Kochi by the Indian Navy in 1952. It worked initially as a field laboratory for fleet support activities. It was merged with the Defence Research and Development Organisation (DRDO) in 1958 and started working on underwater systems. INPL was rechristened as Naval Physical Oceanographic Laboratory (NPOL). Till 1990, NPOL functioned from within the Naval Base in Kochi. In 1990, it moved into a new campus at Thrikkakara, a suburb of Kochi. The new campus has a main technical complex and two residential complexes - SAGAR and VARUNA. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USHUS (sonar)
USHUS is an Integrated Submarine Sonar System developed by the Naval Physical and Oceanographic Laboratory (NPOL) of the Defence Research and Development Organisation (DRDO) of India and manufactured by Bharat Electronics Limited (BEL). It has been developed for use in submarines of the Indian Navy, especially for Sindhughosh-class submarines. Some reports also suggest that ''Arihant''-class nuclear ballistic missile submarines are also equipped with USHUS system. USHUS replaces Russian systems like MGK-400 and MGK-519 sonars on Indian submarines. Design and description USHUS is a multipurpose integrated sonar suite used for detecting and tracking enemy submarines, surface vessels, and torpedoes as well as for underwater communication and obstacles avoidance operations. The sonar capabilities of includes active and passive sonar surveillance, underwater communication and is capable of interception and. The sub-systems of the sonar includes Active Sonar Array, Passive Sona ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Garden Reach Shipbuilders & Engineers
Garden Reach Shipbuilders & Engineers Ltd, abbreviated as GRSE, is one of India's leading defence shipyards, located in Kolkata. It builds and repairs commercial and naval vessels. GRSE also exports the ships that the company builds. Founded in 1884 as a small privately-owned company on the eastern bank of the Hooghly River, it was renamed as ''Garden Reach Workshop'' in 1916. GRSE was nationalised by the Government of India in 1960. The company was awarded the Miniratna public sector undertaking status, with accompanying financial and operational autonomy in September 2006. GRSE is the first Indian shipyard to build 100 warships. Facilities GRSE has ship building facilities in Kolkata and a diesel engine plant in Ranchi. It has a large computer-aided design (CAD) centre for ship modelling and design. There are four workshops for plate preparation and steel fabrication. GRSE has a dry dock for ships up to . It has a building berth and two slipways for hull construction. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DRDO
The Defence Research and Development Organisation (DRDO) is an agency under the Department of Defence Research and Development in the Ministry of Defence of the Government of India, charged with the military's research and development, headquartered in New Delhi, India. It was formed in 1958 by the merger of the Technical Development Establishment and the Directorate of Technical Development and Production of the Indian Ordnance Factories with the Defence Science Organisation under the administration of Jawaharlal Nehru. Subsequently, Defence Research & Development Service (DRDS) was constituted in 1979 as a service of Group 'A' Officers / Scientists directly under the administrative control of the Ministry of Defence. With a network of 52 laboratories that are engaged in developing defence technologies covering various fields like aeronautics, armaments, electronics, land combat engineering, life sciences, materials, missiles, and naval systems, DRDO is India's largest and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
INS Sagardhwani
INS ''Sagardhwani'' (A74) (Hindi : सागरध्वनि - ''Voice of the Sea'') is a marine Acoustics, acoustic Research vessel, research ship (MARS) owned by the Naval Physical and Oceanographic Laboratory (NPOL), a Defence Research and Development Organisation (DRDO) laboratory, and is maintained and operated by the Indian Navy, and based at Southern Naval Command, Kochi. The ship was built by Garden Reach Shipbuilders & Engineers, Kolkata, launched in May 1991, and commissioned in 1994. It is similar in design to the Sandhayak-class survey ships, ''Sandhayak''-class survey ships, but with the superstructure positioned amidships and a helipad forward. The vessel is designed to facilitate low noise and low vibration while carrying out acoustics, acoustic programmes. It has floating floors for scientific laboratories, anti-vibration mountings for machinery and equipment, balloon launching container and wind weather radar to carry out those experiments. It is also equipped ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
