Liquid Dynamics
Liquid Dynamics Inc. Techincal Services
LIQUID DYNAMICS Ltd. offer Pulsation / Vibraton and Shock - Analysis & Diagnostics + Software Models
Please call toll free USA 1-888-326-7377 WE HAVE PEOPLE - Not voice mail. --44-161-480-9625 UK
Fluid Flow Control Animations
Fluid Flow Control Animations



"NICELY ROUNDED" (Sexy as hell, gentle agitation, no stagnation, you know the system is still in the land of the living )


i) This IS what recip. mfrs. replica watches like to pretend is meant by the word - wait for it ! -- Yes, you guessed it - "Pulsse-AAtion"
ii) A small disturbance as valve opens, gentle fall and climb back.
iii) Just a tad of valve reseat disturbance. Lovely.


The rate of mass transfer is Mom sine motion.


Unless the pipe is very long - The good lord only knows


Stuff a condom in a can.


Volume per stroke - AND - How much more gentle do theywant it ? --------- B U T This is really an exercise in futility. Because Just about all the other AMPLITUDES at FREQUENCIES will be far greater than the residual fluctuation from VOLUMETRIC PULSATION after the "condom in a can has some life breathed into it".

SO Unless the "engineer" is mistaken enough to replica watches uk limit his residual amplitude spec to --"-+?? Amplitude at SPM time number of displacers frequency" ----making a selection on the basis of volumetric pulsation must, you will agree, be a FARCE.

Return to technical pulsation index


Liquid Dynamics provides pipeline and pump user problem analysis, diagnostics, and prediction by software. For water swiss replica watches hammer and shock solutions pulsation dampening and shock alleviating devices can be obtained from our associate websites PulseGuard and ShockGuard.


For Hardware see our associate websites: and for further information about pulsation dampeners and pumping systems. and to find large gas bag vessels, jumbo bladders, float separator and big bellows type pipeline shock attenuators and expansion / contraction volume compensators. for more about pulse dampers in pumping systems and water hammer.
Water Hammer  and for more on water hammer, pump start up surge, shut down back flow, & valve closure hammer. and for information about energy saving in pumping systems, standby emergency power, and safety shutdown systems. for a quick view of how each different type of pulse dampener is matched to a pump installation. Pumps make flow, system resistance to flow is pressure, systems make pressure and pressure pulsation. to find protection against excess flow. Guard against toxic spills when pipes burst, guard against gushers and fluid loss when hoses split, Flow-Guard guards against excess flow floods.

Fluid Flow Control The Fluid Flow Control Source Pumps Accumulators Filters Dampers Heat Exchangers Valves Mixers P.I. / Pressure Indicators Controls Meters Vessels