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Diagram of a fan disk Fan disk assembly diagram, showing one blade and attachment hardware Cross section of fan disk Failed fan disk recovered from the center engine of UAL 232. A fan disk is the central hub of a fan in a turbofan engine. Fan blades are attached to the fan disk, which is rotated by a shaft driven by a gas turbine. [1]
An assembly designed throughout as a single integrated unit is referred to as a fan pod or ducted propulsor. [3] [4] An advantage of the pod approach is that the design of each component can be matched to the others, helping to maximise performance and minimise weight.
Dry Idea is an American brand of antiperspirant manufactured and sold by Thriving Brands LLC. Introduced in 1978 by Gillette Company, Dry Idea was acquired by The Dial Corporation along with the Soft & Dri and Right Guard brands in 2006 for $420 million as a condition set forth by antitrust authorities for Procter & Gamble's $57 billion acquisition of Gillette. [1]
A blisk (portmanteau of bladed disk) is a turbomachine component comprising both rotor disk and blades as a single part instead of a disk assembled with individual removable blades. Blisks generally have better aerodynamics than conventional rotors with single blades and are lighter.
Direct reduction processes can be divided roughly into two categories: gas-based and coal-based. In both cases, the objective of the process is to remove the oxygen contained in various forms of iron ore (sized ore, concentrates, pellets, mill scale, furnace dust, etc.) in order to convert the ore to metallic iron, without melting it (below 1,200 °C (2,190 °F)).
Sheepsfoot blades were originally made to trim the hooves of sheep; their shape bears no similarity to the foot of a sheep. [10] S6 A Wharncliffe blade is similar in profile to a sheep's foot but the curve of the back edge starts closer to the handle and is more gradual. Its blade is much thicker than a knife of comparable size. [11]
The Sri Lankan economic crisis [8] is a in Sri Lanka that started in 2019. [9] It is the country's worst economic crisis since its independence in 1948. [9] It has led to unprecedented levels of inflation, near-depletion of foreign exchange reserves, shortages of medical supplies, and an increase in prices of basic commodities. [10]
Services accounted for 58.2% of Sri Lanka's economy in 2019 up from 54.6% in 2010, industry 27.4% up from 26.4% a decade earlier and agriculture 7.4%. [41] Though there is a competitive export agricultural sector, technological advances have been slow to enter the protected domestic sector. [42]