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In aeronautics, a ducted fan is a thrust-generating mechanical fan or propeller mounted within a cylindrical duct or shroud. Other terms include ducted propeller or shrouded propeller . [ 1 ] When used in vertical takeoff and landing ( VTOL ) applications it is also known as a shrouded rotor .
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DIMO had to reduce margins to absorb the sharp depreciation of the Sri Lankan Rupee in 2018. [7] In 2019, the company's conglomerate brand value was LKR7,730 million and ranked 15th amongst conglomerates in Sri Lanka. [8] DIMO was adjudged as the overall winner in the sixth Excellence in Integrated Reporting Awards in 2020 organized by the CMA ...
In the 1960s, Hanno Fischer, Technical Director of Rhein-Flugzeugbau (RFB), developed an interest in aircraft powered by ducted fans integrated into the aircraft structure, flying two modified gliders as testbeds, a VFW-Fokker FK-3 fitted with an eight-bladed ducted fan in the rear fuselage, which flew as the Sirius I in 1969, and a Caproni Vizzola Calif A-21, which flew as the Sirius II on 16 ...
The Board of Investment of Sri Lanka (BoI) (Sinhala: ශ්රී ලංකා ආයෝජන මණ්ඩලය Shri Lanka Ayojana Mandalaya) is the investment promotion agency of Sri Lanka. It was established in 1992, expanding the scope of the Greater Colombo Economic Commission (GCEC) which was formed in 1978. [ 2 ]
Renuka Holdings PLC, also called Renuka Group, is a conglomerate company in Sri Lanka.Ceylonese businessman Alfred Thambiyah laid the foundations of the Renuka Group by acquiring the Crago Boat Dispatch Company in 1936 and establishing Renuka Hotel, named after his youngest daughter Indu Renuka in 1969.
A typical whole-house fan, with louvers closed when not operating. A whole house fan is a type of fan, commonly venting into a building's attic, designed to circulate air in an entire house or other building. The fan removes hot air from the building and draws in cooler outdoor air through windows and other openings.
LECO partnered with the University of Moratuwa to begin a microgrid pilot project in Sri Lanka with financial assistance from the Asian Development Bank.The aim of the project is to contribute to Sri Lanka's stated target of 70% of power generation through renewable sources by 2030. 32,411 rooftop solar units have already been installed in the country as of April 2021, with a total capacity of ...