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Articles by R. Narayanan
Effect of a deep corrugated wall on the natural frequencies and the Faraday instability of a fluid interface
The natural frequency of an interface between a bilayer of immiscible fluids is shown to depend on the morphology of the bottom wall in addition to the density difference of the fluids, the interfacial tension, the fluid depths, and the disturbance wave number. To take into account deep wall-wave amplitudes and the viscosities of the fluids, a reduced-order method is employed that assumes the thickness of the bilayer to be small in comparison to the container width.
Sportstar's all-time sports classics: When India stole the thunder, Down Under!
Kapil’s Devils rode on self-belief and determination to storm into the Lord’s balcony, upstaging the mighty West Indies and upsetting the bookmakers’ predictions in the 1983 World Cup. For the reigning world champion, the icing on the cake came two years later when Sunny’s Sizzlers ruled the MCG on a memorable March night. The World Championship of Cricket was a ‘mini’ World Cup – seven teams were in the fray – and India had everything to play for: form, pride and reputation.
Openers power WGCA to title
WGCA was in dominant form in the Ashok Leyland under-14 tournament Vishal and Siddharth spin a web around FSCA Openers S. Pranav and D. Pranav were on song as WGCA cruised past FSCA by nine wickets in the final of the Ashok Leyland under-14 tournament held at the Asan Arts and Science College ground recently. Chasing a modest target of 87, the Pranavs took the team home in the 16th over. Earlier, leggies R. Vishal and V.
Evaluation of Aintree LOSS, a community-based, multidisciplinary weight management service: outcomes and predictors of engagement
Aintree LOSS is a community-based, multidisciplinary weight management programme for patients with severe and complex obesity, focusing on a flexible and individualized service with follow-up for up to 2 years. We evaluated all 2472 patients referred to the service between October 2009 and 2013. Demographic data were recorded at baseline, with the Index of Multiple Deprivation (IMD) used to measure socioeconomic deprivation. Weight was recorded at each visit.
Missing football already? Here’s your fix
When FIFA adopted the King Fahd Cup, rechristened it the Confederations Cup and transformed it into a global event, the tournament seemed to have sealed a permanent deal. Instead, into its 25th year and 10th edition — it all started in Saudi Arabia as a four-team competition in 1992 — uncertainty looms over its future. The Confederations Cup has always evoked mixed feelings.
Screening methods for obstructive sleep apnoea in severely obese pregnant women
Obstructive sleep apnoea (OSA) is an often-overlooked diagnosis, more prevalent in the obese population. Screening method accuracy, uptake and hence diagnosis is variable. There is limited data available regarding the obese pregnant population; however, many studies highlight potential risks of apnoeic episodes to mother and foetus, including hypertension, diabetes and preeclampsia.
Seven Star outshines the rest
Seven Star pipped Kedar CA by a wafer-thin margin in the final of the SSCA tri-cup under-13 tournament recently. Chasing a target of 160, Kedar needed 11 runs off the last over bowled by Kishore Balaji. The medium-pacer stifled the Kedar batsmen, conceding just four runs. In his previous over, Kishore had struck a crucial blow, sending back the well-set B. Sabari (68).
Euro stats: Half time whistle
With the knockouts all set to begin, a statistical look at the group action: TWO AT THE TOP Red: Lorik Cana (Albania) and Aleksandar Dragovic (Austria) have been the only players to be sent back to the dug-out Yellow: Albania, Italy and Romania had 10 cautions in the group stage. Iceland had nine.
Anantaajith’s amazing ‘All 10’
The ‘All 10’ is every bowler’s dream, but very few achieve it in their careers. The 15-year- old Ra. Anantaajith performed this rare feat during Eswar Cricket Academy’s recent tour of Dharmapuri. In a stunning spell, the medium-pacer dismissed all Shri BCR CA (Dharmapuri) batsmen in the second innings of the ‘four-day Test’ final of the OnlySuccess under-17 tournament at the Jayam College of Engineering.
Now, a website that helps clubs and cricketers find each other
There is plenty of cricket talent in Tamil Nadu waiting to be unearthed but only a few lucky ones get a break. For those aspiring to make it big in the game of 22 yards, the Tamil Nadu Cricket Association (TNCA) provides an ideal platform through its professionally run league. But, getting an opportunity to play in any of the 136 clubs dotting the TNCA skyline is a distant dream for many.
Kedar CA’s dazzling run
Kedar CA’s purple patch continued as it clinched the Shriram Group under-15 title in style, winning all its seven matches. The side hardly faced any resistance during its successful campaign, thanks to some sizzling individual performances and a solid team effort. Opener K. Ajaya Shankar was in the thick of things for Kedar. He hammered three half-centuries, including a crucial 58 against Adambakkam CA in the semifinal when his side chased a tall target.
Renovation of the Marina Cricket Ground, Presidency College, is almost complete
The renovation of the Marina Cricket Ground is almost complete It is the Lord’s of Chennai, a venue popular with both the players and fans. With its scenic surroundings — a dash of green all around, sea in the vicinity and a gentle wind blowing right through — it provides the perfect setting, on and off the field. Marina Cricket Ground holds a special place in the hearts of cricketers, many of whom craved to mark their guard and run-up there. S. Kedarnath, former State cricketer, was one of them.
Dream run for Harissh and Tiruvallur
N. Harissh was the toast of the team as Tiruvallur emerged victorious in the inter-district under-16 tournament, for the P.R. Thevar Trophy, recently. The left-arm spinner was in his element right through the campaign, particularly during the semi-final (seven for 72 & three for 30) and final (six for 27 & four for 46). About his dream spells, the 11th standard student of Sethu Bhaskara MHSS said: “I assess a batsman’s approach and mindset before plotting his dismissal.
Determining the forming behavior of tailor welded blanks
Tailor welded blanks (TWBs) (see Figure 1) are blanks with two or more sheets of different thicknesses, materials, or coatings welded in a single plane before forming. Aluminum TWBs are used commonly in the automotive sector, for which they are formed into sheet components for hoods, floor and door inner panels, and side frame rails. They also have emerging applications in the aerospace industry, such as replacing riveted skin-stringer joints in aerospace structures with laser welded joints.
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