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A thermosiphon (or thermosyphon) is a device that employs a method of passive heat exchange based on natural convection, which circulates a fluid without the necessity of a mechanical pump. Thermosiphoning is used for circulation of liquids and volatile gases in heating and cooling applications such as heat pumps, water heaters, boilers and ...
The jiggle pump consists of a chamber, in line with the end of the pipe that sits in the liquid to be moved. The chamber is somewhat wider than the pipe, and narrows to approximately the pipe diameter at both ends. One end attaches to the pipe, the other end is open to the liquid.
Higher temperature accelerates the release of gas from liquids so maintaining a constant, low temperature helps. The longer the liquid is in the siphon, the more gas is released, so a shorter siphon overall helps. Local high points will trap gas so the intake and outlet legs should have continuous slopes without intermediate high points.
Rated at 20 long tons (22.4 short tons; 20.3 t), these had been twice the size of typical wagons of the period, but it was not until 1923 that the company invested heavily in coal wagons of this size and the infrastructure necessary for unloading them at the railway-owned docks; these were known as "Felix Pole" wagons after the GWR's General ...
A box of chargers, showing their foil sealed ends that release the gas after being punctured. The cylinders are about 6.3 centimetres (2 + 1 ⁄ 2 in) long by 1.8 cm (3 ⁄ 4 in) wide, with a volume of 10 cubic centimetres (0.6 cu in) and capacity for most brands of 8 grams (1 ⁄ 4 oz) of pressurized N 2 O.
Mariotte's bottle is a device that delivers a constant rate of flow from closed bottles or tanks. It is named after French physicist Edme Mariotte (1620-1684). A picture of a bottle with a gas inlet is shown in the works of Mariotte, [ 1 ] but this construction was made to show the effect of outside pressure on mercury level inside the bottle.