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To change the default pipe size, go to Tools, Prototypes, then select Pressure Pipe. Now you can change any pipe properties you want. theci

The S in your SinS is the angle (in degree or radian) determined by slope S. For example, you have S=1/125, then the angle = ATan(1/125)=0.458 degree or 0.008 radian. Then when you sine either 0.458 degree or 0.008 radian, you will get the same reault, 0.008. Just remember to convert your...

As RWF7437 said, the S within the sin function must be an angle, no matter what S is. As such, your S in the equation should be the angle determined by S. The angle in radian or degree should give you the same sin value. Go back to the reference of the equation and you will be clear on that...

Any body knows approximately how much the Hammer software from Haestad cost? Thanks. theci

You must have at least one node that gives you a pressure lower than your constraint pressure under steady state analysis (without fire flow analysis). You have to run fire flow analysis without that node. To know which node has low pressure, simply run steady statle analysis (without fire...

No matter what the Oxygen concentration is in the air, you can not inject air into a forcemain because (1)a forcemain is designed for fluid only, and injected air will compete with fluid flow; (2) injected air will not aerate sewage much since injected air will tend to stay together as air...

I am working on a navy potable water system modeling project. I need to find the fire flow for each facility. The design standard for the fire flow being used is Unified Facilities Criteria (UFC). To find the fire flow I need to know what type of construction each facility is. The types of...