net head

net head

[′net ′hed]
(fluid mechanics)
The difference in elevation between the last free water surface in a power conduit above the waterwheel and the first free water surface in the conduit below the waterwheel, less the friction losses in the conduit.
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The upper or the first stage of the project envisages using a net head of 219m with an installed capacity of 18MW.
He said: "In the first half of the year, net head count was down about 1,400.
a] is the available net head at the pump suction accounting for those factors that effectively increase head (static head to the liquid elevation ahead of the pump suction, sub-cooling of liquid refrigerant within the vessel) and decrease head (frictional losses, heat gains, and form losses).
Perhaps it's time Kitty and I acted like grown-ups and sorted out the thorny problem of who is the greatest net head of all.
she slides her body slowly toward the floor until she reaches a slightly seated position When her Knees reach a 90-degree angle, she tosses net head back.
ON THE MOVE: Everton midfielder Mark Pembridge shoots at the Crewe goal (far left), Danish international Thomas Gravesen is sent flying as he powers forward (below) and captain Kevin Campbell challenges for the ball in last night's FA Cup replay victory at Gresty Road (left) CUTTING CREWE: A grounded Kevin Campbell watches as his shot (inset) flies into the Crewe net HEAD BOY: Tomasz Radzinski heads home Everton's equaliser from Mark Pembridge's cross Pictures by ANDREW TEEBAY
Francis reversible pump turbine type generating units of 125 MW each operating under rated generating net head of 236 m and a generating design discharge of 60 Cumecs and rated pumping head of 246 m & a pumping design discharge of 45 Cumecs.
A net head of 326 meter is utilized to run four vertical Francis turbines with an installed capacity of 520 MW (4x130 MW).
CONNECTED too much it seems for a net head from New Zealand, who spent more than18 hours one day at his PC.
IF YOU'RE the sort of Net Head who'd rather surf than put up shelves, it's time to get inspired by the on-line home-improvement websites.
The campaign is being co-ordinated through the Internet, but you don't have to be a Net head to help out.