Several years ago, the designers and engineers to use.

When the pressure of the system is necessary. The pipe must have the correct size. If pipe is too small. There was not enough water pressure to be high enough to get through the process. However, if the pipe is too large, it will cause the loss of heat at the surface increases. No matter the size of the pipe is big or small, to make them lower the overall system performance. The size of the steam pipe. Refers 12v heater for car to a pipe with a diameter of the pipe is the pressure loss in the pipe (Pressure Drop) minimum between the boiler and the steam.
Several years ago, the designers and engineers to use. "How to treat a resident expert" (Rule of Thumb) to determine the size of the pipe for use in particular. These rules have been evaluated based on the actual situation and in general. It is also a good rule.
The easiest way is. Calculation speed (Velocity) of steam pipes in order to determine the rate of flow of water. Information they need, it's just specific volume of steam (Spcific Volume 12v heater for car of Steam) for the pressure of the steam used. These data can be obtained from the steam table. The other element is required. Quality of steam The wet steam (Wet) or superheated steam. (Superheated) time for wet steam (Wet Steam) will drop, which causes damage and corrosion. When drops of water are already hitting the wall at the bend or the valve and fitting various Superheated Steam (Superheat Steam) will not drip, and not even the condensation out of the pipe so that the pipe will not occur. Water damage from a pipe can be used at high speed.
Guidelines are as follows. Rate of superheated steam = 50-70 m / s velocity of the steam saturation = 30-40 m / s velocity of wet steam or exhaust velocity = 20-30 m / s.
Over the years they have published numerous charts and tables are calculated to determine the pressure drop in the steam system. And although at present these methods can then use a computer program to help them. The results obtained are also related to the difference of velocity (Velocity Bands) which charts and spreadsheets are not suitable to be used for the steam pressure is very low (less than 1.0 bar) and for steam at very high pressure 12v heater for car (higher than 20.0 bar), this approach is intended to be utilized in the industrial and commercial The steam pressure is typically between 3.0 bar to 17.0 bar.
As it was mentioned above that Reasons to consider the diameter 12v heater for car of the pipe is. To reduce the cost of investment and the heat exchange surface 12v heater for car to a minimum. Using a pipe with a diameter 12v heater for car of 75 mm instead of 50 mm pipe diameter will increase the cost of investing in the pipe and the insulation around 50% which is an instance where the cost is directly proportional to the size of the diameter. pipes, etc., as well as the loss of heat from the pipe is directly proportional to the external surface of the pipe as well. This means that the heat loss will increase 50% on larger pipes. Pipe is too small -> the pressure is increased to -> loss from leakage has increased. Pipe is too large -> loss at the surface even more.
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