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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* Restructuring announced in June 2018 on track: group structure changed; embedding new behaviours and values needed for cultural change; non-manufacturing headcount (6) reduced by a net c.1,300; remain on track for 4,600 net head count reduction, related exceptional charge of [pounds sterling]223m taken to the income statement; [pounds sterling]70m cash costs, excluded from free cash flow
The project is estimated to generate 78 Mega Watt of energy with a design discharge of 9.10 cumec per second and the Net Head of about 1000 meters.
The upper or the first stage of the project envisages using a net head of 219m with an installed capacity of 18MW.
The maximum net head of water in the power plant is 136.535 m and the minimum net head is 86.35 m.
He said: "In the first half of the year, net head count was down about 1,400.
[NPSH.sub.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
They will be the largest units in Asia (440 MW at 117.35 m net head).
Turbine caracteristics Calculus net head [H.sub.c]=18 m Maximum flow [Q.sub.c]=35 [m.sup.3]/s Nominal power P=5662,5 kW Runner diameter D=2500 mm Speed n=230,8 rot/min