Electrostatic Shielding

Inertia

Force pump

 

The force pump (above), also known as a pressure pump, operates as follows: on the upstroke of the plunger, the outlet or delivery valve is closed and the inlet valve opens. The low air pressure produced in the barrel causes the water below to move up the downpipe and eventually fill the barrel. On the downstroke, the inlet valve closes, the outlet valve opens, and the water is forced out via the outlet pipe, which is located at the bottom of the barrel.

The lift pump 2

The pump don't work because the aspiration
is higher than nine metres
The air pressure can't push the water
because the water weight is too big.

The lift pump 1

The lift pump (above), also known as a suction pump, operates as follows: on the upstroke of the plunger, the lower valve opens, the upper valve (situated on or in the plunger itself) is closed, and the low air pressure produced in the barrel allows atmospheric pressure on the surface of the water source, down below, to make the water move up the downpipe and eventually fill the barrel below the plunger. On the down stroke, the lower valve closes, the upper one opens, and water is forced into the barrel above the upper valve. On the next upstroke, the water above the plunger is forced out of the spout, located at the top of the barrel, at the same time as the volume below the barrel fills up with water again.

Conduction, Convection and Radiation rap

 

Check out this cool rap about conduction, convection and radiation

States of matter 2

States of Matter 1

The four stroke power engine 1

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