Liquid Dynamics
Pulsation Analysis, Diagnostics, Prediction by Software
Pipeline and Pump user Problem -

Pulsation Analysis, Diagnostics, Prediction by Software

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 by Liquid Dynamics.
 
   

MODELING
Main Menu
ShockView
schematic

ShockView
plots A, B, C

Input data for
shock modeling

PulseView
models relations
7 ocillographic
plots

Necess.program
input data
Equations &
sources

CATALOG
CONTACT US

LDi Catalog Printable PDF31

Ldi PULSEVIEW PROGRAM INPUT DATA.
ANALYSIS AND PREVENTION OF PUMP PULSATION AND CAVITATION.

1. Liquid Parameters.
___(a) density of the liquid:_____________________________________________________________grams/cc
___(b) compressibility pf the liquid and any absorbed gas:____________________________________litres/bar
___(c) effective vapor pressure at pump inlet temperature:____________________________________°C
2 Pipe Parameters
(i) Suction Side
___(a) expected theoretical steady state suction pressure:___________________________________BarA
___(b) length of pipe from supply to suction acceleration head loss preventer inlet:________________meters
___(c) inside diameter of pipe from supply to preventer inlet:__________________________________mm
___(d) length of pipe from preventer to pump suction inlet:____________________________________meters
___(e) inside diameter of pipe from preventer to pump suction inlet:____________________________mm
(ii) Discharge Side
___(a) discharge pressure against which the pump must deliver:______________________________BarA
___(b) length of pipe from pump discharge check valve to discharge acceleration head preventer inlet:__meters
___(c) inside diameter of pipe from pump discharge to preventer inlet:__________________________mm
___(d) length of pipe from preventer discharge to final resistance: _____________________________meters
___(e) inside diameter of pipe from preventer discharge to final resistance:______________________mm
Pump Parameters
(i) Pumping Mechanism
___(a) connecting rod length:__________________________________________________________meters
___(b) crank shaft radius - i.e. half the piston stroke:_______________________________________meters
___(c) piston diameter:_______________________________________________________________meters
___(d) effective dead volume of pump chamber:____________________________________________litres
___(e) number of strokes of one displacer per minute:______________________________________
(ii) Suction Check Valves
___(a) valve seat diameter:______________________________________ID_____OD_____________mm
___(b) valve stroke:___________________________________________________________________mm
___(c) valve mass, plus half the weight of one valve spring:___________________________________Kg
___(d) starting resistance to compression of spring:________________________________________Kg
___(e) string rate:____________________________________________________________________Kg/mm
(iii) Discharge Check Valves
___(a) valve seat diameter:______________________________________ID_____OD_____________mm
___(b) valve stroke:___________________________________________________________________mm
___(c) valve mass, plus half the weight of one valve spring:___________________________________Kg
___(d) starting resistance to compression of spring:_________________________________________Kg
___(e) spring rate:____________________________________________________________________Kg/mm

*Include pressure wave speed (acoustic velocity):_________________________________________m/s

 

ADDITIONAL INFORMATION: REQUIREMENTS FOR THE MATERIALS OF CONSTRUCTION:
___A. Metal:_________________B.Membrane/Seal Material____________________
___C. Liquid(s) Description:______________________________________________
___D. Operating/Design Temperature: _____________________________________
___E. Specified Design Pressure:_______PSI___°F____M.D.M.T._______°F_____
___G. Connection Type, Size & Rating: Suction:____________________________
                                                    Discharge:____________________________
CUSTOMER:_________________________
CUSTOMER REF:_____________________
ENGINEER NAME: ____________________
QUANTITY:___________________________
Q No.:_______________________________
ISSUED BY:__________________________
CHECKED BY:________________________
ISSUE DATE:_day/month/year___________
___H. Any other information that you believe may be relevant:

www.Liquid-Dynamics.com
Phone USA 910.270.2737
PO Box 506 Hampstead, NC 28443 USA
UK (for EC) --44(0)161-480-9625
PO Box 47, Stockport, UK SK3-OLH

 

Liquid Dynamics International provides pipeline and pump user problem analysis, diagnostics, prediction by software, pulsation analysis, piping system analysis, and piping system simulation. For water hammer and shock solutions pulsation dampening and shock alleviating devices can be obtained from our associate websites:


PulseGuard Inc., and Ltd. for further information about pulsation dampeners / pulsation dampers.
Pulsation-Dampeners.com - Pulsation Dampener
PulseGuard.com - Pulsation Dampeners
PulseGuard.co.uk - Pulsation Dampers
PulseGuard für Deutschland - Pulsationsdämpfer
Shock-Guard.com and ShockGuard.co.uk to find large gas bag vessels, jumbo bladders, float separator / big bellows type pipeline shock attenuators and expansion / contraction volume compensators, surge alleviators, and shock alleviators.
Shock-Guard.com - Surge Alleviators
ShockGuard.co.uk - Shock Alleviators
Accumulators-Hyd.com and Accumulators.co.uk for information about energy saving in pumping systems, standby emergency power, safety shutdown systems, hydraulic accumulators, and hydropneumatic accumulators.
Accumulators-hyd.com - Hydraulic Accumulators
Accumulators.co.uk - Hydropneumatic Accumulators
Flow-Guard.com 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 with flow fuses and breather bags
Flow-Guard - Flow Fuses and Breather Bags


Liquid Dynamics