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Valve trim for steam tracing 2010-11-02
Is trim 1 applied on gate valves for steam tracing manifolds (3.5k steam) the right selection?
Air flow to control valve 2010-11-01
To calculate the available flow rate of instrument air to a control valve. The tubing is 3/8" SS and the pressure is 80 psig minimum.
Steam flow calculation 2010-11-01
A calculation based on enthalpy so as to attemperate steam to a turbine. The calculation has the following formula which I can´t understand.
Conversions of Volumetric Flow Rate to Mass Flow Rate 2010-11-01
To convert a volume flow rate to a mass flow rate you multiply the volume flow rate by the density of the gas. For "standard" or "normal" flow rates, you calculate that density as though the gas were
Steam losses in process industry 2010-11-01
Generally most of the steam is recycled as condensate to the boiler but still there are some losses and need some make-up water for boiler.
Multiple relief valve - Relief load 2010-11-01
In sizing multiple relief valves, should each valve be sized for full relief load? OR the Total relief load should be shared between the multiple valves.
Basic drop testing software needed 2010-10-29
Regarding accelerometers and am making an effort to put together a simple indoor, single axis drop testing apparatus to do some tests.
Voltage rating on capacitor 2010-10-29
I have a 4uf capacitor, working AC voltage 480v at 400 Hz and 600 VDC.I'd like to know the working AC and DC voltage at 60 Hz.DC offset? If you may encounter DC offset you may consider keeping the pea
