Fluid Mechanics Calculator

LMNO Engineering, Research, and Software, Ltd.

The fluid flow calculations website
www.LMNOeng.com

Fluid Mechanics Example Problems
Fluid Dynamics Calculator
Fluid Mechanics Calculator App

Flow in pipes, ducts, open channels, culverts, hydrology, groundwater. Liquid, gas, water, air. Venturi, nozzle, orifice flow meters. Weirs, flumes. Pipe networks, water hammer. Bernoulli, Manning, Moody. Culvert design, inverted siphon. Pressure drop, pressure loss, flow, discharge, sizing. Pressure relief valve. Drag force. Tank volume, pipe volume, unit conversions.

Greetings! I am Ken Edwards, Ph.D., P.E., and owner of LMNO Engineering. My e-mail is LMNO@LMNOeng.com and phone is (740) 707-2614. Don't have e-mail? You can still send a message. In addition to software, we provide consulting services.

Fluid mechanics calculator covers a wide variety of fluid related topics and helps in analysis, design, maintenance and operation of related systems. This calculator will provide results for fluid dynamics, civil, structural, pipe flow, engineering parameters and more.
Fluid Mechanics calculators give you a list of online Fluid Mechanics calculators. A tool perform calculations on the concepts and applications for Fluid Mechanics calculations. These calculators will be useful for everyone and save time with the complex procedure involved to obtain the calculation results.
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Fluid Mechanics Example Problems

Fluid Pressure Calculator Solve for different variables related to force, area, bulk modulus, compressibility, change in volume, fluid column top and bottom pressure, density, acceleration of gravity, depth, height, absolute, atmospheric and gauge pressure. Fluid Mechanics Calculators Fluid Mechanics is the study of the application of forces upon fluids. The three common states of matter are solid, liquid, and gas.

Red Dot (•) calculations are free.

Fluid Dynamics Calculator

CALCULATORS

Open Channels / Culverts
Manning Equation Detailed Calculators:
+Circular culvert
+Trapezoidal channel
+Rectangular channel

Simple Manning calculators:
•Simple Manning calculator
•Circular culvert geometry
•Non-circular channel geometry
•Mannings n Coefficients
•Q = VA

Specialty Programs:
+Culvert design using inlet and outlet control (graph, chart)
+Gradually varied flow (M1, M2, S2, S3) graph and table
+Inverted siphon for sewer going under river
+Hydraulic jump in a pipe
+Hydraulic jump horizontal rectangular channel
+Critical depth in circular culvert
+Bernoulli (pitot tube, dam, sluice gate)
+Discharge from a tank (steady state)
+Time to empty tank

Flumes:
+Parshall (submerged and free flow) graph, table
+Trapezoidal, rectangular, U (Palmer), Parshall (free flow) graph, chart

Weirs:
+Rectangular
•V notch
•Cipoletti

Compute Waterfall Discharge at Channel Drop-Off (End Depth):
+Circular culvert
•Rectangular channel
•Triangular channel

Drag Force
+Drag force on hemispheres, cone, ellipsoid, annular disk, cylinder, rod, cube
+Drag force - you enter drag coefficient

Riprap
+Riprap rock sizing

Pressurized Conduits
Single pipes and tubes:
+Liquid or gas pipe (Darcy-Weisbach)
+Liquid or gas pipe & pump curve (Darcy-Weisbach)
+Water pipe (Hazen-Williams)
+Water pipe & pump curve (Hazen-Williams)
Compressible (gases):
+Weymouth, Panhandle A (and B) equations (compressible gases)
+Choked flow of gas from tank through pipe
+Gas leak rate through hole
+Rayleigh flow (compressible with heat transfer but frictionless)

Specialty Programs:
+Bernoulli (pitot tube, pipe leak, pipe expansion/contraction)
+Bypass loop
+Discharge from a tank (steady state)
+Fire hydrant
+Force due to pipe bend
+Liquid leak rate from pipe crack
+Pipe network (12 pipes)
+Pressure relief valve sizing
+Time to empty tank
+Water hammer (enter valve close or opening time)
+Water hammer (instantaneous valve closure)

Venturi, Nozzle, and Orifice Flow meters (D is pipe diameter):
+Venturi (liquids)
+Nozzle (liquids)
+Orifice (liquids, D<5cm)
+Orifice (liquids, D≥5cm)
+Orifice (gases, D<5cm)
+Orifice (gases, D≥5cm)

Properties of Gases:
+Specific gravity conversions and density using ideal gas law
+Gas flow conversions (mass, standard, actual)
•Molecular weight
•Gas viscosity

Simple Programs:
•Non-circular to circular pipe conversions
•Energy (Bernoulli) equation
•Pressure drop in horizontal pipe (laminar flow)
•Pressure loss in horizontal pipe (4000≤Re≤10⁵)
•Static pressure from column height
•Minor losses (valves, etc.)
•Convert discharge coefficient to minor loss coefficient
•Q = VA
•Major losses (pipe friction). Darcy-Weisbach
•Major losses (pipe friction). Hazen-Williams
•Surface roughness and minor loss coefficients
•Moody friction factor for Darcy-Weisbach
•Equivalent length of pipe calculator

Hydrology and Groundwater
Hydrology:
+TR-55 peak discharge
+TR-55 detention basin storage
+Time of concentration
•Rational equation for peak discharge
+Water Quality Volume

Groundwater:
+Porous bed (packed bed, permeameter)
+Hydraulic gradient and flow direction from x, y, head data
+3-D slug (pulse) injection: advection, dispersion
+1-D step injection: advection, disp, retardation
+ Drawdown for unsteady groundwater flow to a pumping well in a confined aquifer (Theis Well function calculator)
• Aquifer transmissivity T=Kb (and K table)

Miscellaneous
+Volume of liquid in inclined cylinder at 0 to 90 degrees (graph, table)
+Volume of partially full cylinder on its side, sphere, cone
•Unit conversions
•Fluid properties
+Ideal gas law for density
•Molecular weight
•Gas viscosity
•Discussion and references for pipes, culverts

Videos / Movies
•Friction loss and analysis
•Tank discharge and analysis

Newsletters
(Fluid flow articles written by Ken Edwards, Ph.D., P.E., Owner of LMNO Engineering)
19992000200120022003200420052006 - 20122013 - 20192020

View list of calculators by topic (less clutter but more clicks):
NewslettersOpen ChannelsDragFlowPressureFlumesForcesGroundwaterHydrologyPressurized Pipes and ConduitsRainfallMapsStaticsVideosVolumeWaterfallWater HammerWeirs

Fluid Mechanics Calculator App

LMNO Engineering, Research, and Software, Ltd.
7860 Angel Ridge Rd. Athens, Ohio 45701 USA (740) 707-2614
LMNO@LMNOeng.comhttps://www.LMNOeng.com