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The ASME Boiler and Pressure Vessel Code details all the various calculations necessary to determine the MAWP of any pressure vessel.
For a PWR, how about: Pressure Vessel, Closure Head Assembly, Core Support, Inlet/Outlet Nozzles, Fuel assemblies, Control Rods and Drive Mechanisms
Certified Pressure Vessel
The answer depends on the pressure vessel.
Boiler is basically a pressure vessel in which this boiler aims to heat the surroundings which is a pressure vessel.
There is a couple of different options. Some washers are equipped with pressure adjustment knobs. Failing that...all come with either multiple spray nozzles or twist type vari-nozzles. For multiple colored nozzles, the use of various widening angle-of-spray nozzles gives a range of impact force. The wider the nozzle angle, the lower the impact pressure on the substrate. Vari-nozzles do the same thing by twisting the housing. Most washers do have a pressure setting control. Look for a spring loaded assembly. Turning back the force exerted by the spring will lower your pressure setting. It is most commonly preferred to lessen the impact pressure by widening the impact area of the spray rather than lowering the pressure directly as it offers better productivity. Of course, pulling back the nozzle a few extra inches from the substrate surface can lower the pressure also.
The main purpose of a pressure vessel is to hold gases or liquids at a pressure inside a container different to the pressure outside of the pressure vessel. Usually pressure vessels are made from steel.
A pressure vessel that is not in direct contact with a heating flame
Systolic.
As blood enters the capillary bed on the arteriole end, the blood pressure in the capillary vessel is greater than the osmotic pressure of the blood in the vessel. The net result is that fluid moves from the vessel to the body tissue.At the middle of the capillary bed, blood pressure in the vessel equals the osmotic pressure of the blood in the vessel. The net result is that fluid passes equally between the capillary vessel and the body tissue. Gasses, nutrients, and wastes are also exchanged at this point.On the venue end of the capillary bed, blood pressure in the vessel is less than the osmotic pressure of the blood in the vessel. The net result is that fluid, carbon dioxide and wastes are drawn from the body tissue into the capillary vessel.
What size nozzles? What is the GPM rating What is the available pressure What lenght of the hose (fricton losses)
It depends on which Directive the vessel has to be compliant with. For instance, to comply with CE/PED, the test pressure shoud be 1.43 times the maximum operating pressure.