# Flow Rate Calculator

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### APPLIED WASTEWATER MATH FORMULA SHEET AND CONVERSION FACTORS

VELOCITIES and FLOW RATES 1. Velocity = distance time 2. Q = v x A DETENTION TIME Detention Time = V Q PARTS PER MILLION / POUNDS lbs = 8.34 lbs / gal x mg/L x MG x SG SEDIMENTATION AND LOADINGS 1. Weir overflow rate = total flow length of weir 2. Surface overflow rate = Influent flow surface area 3. Solids Loading rate = solids applied

### CRRT Formulas

Plasma Flow Rate (ml/hr) = Blood Flow Rate (ml/min) X 60 (min/hr) X (1-HCT) Note: dialysate rate does NOT factor into the FF equation

### Submersible Pump Sizing & Selection

A: Flow rate & the amount of lift required. 1. Flow Rate: Make sure the aquifer is capable of supporting your desired flow rate. Do you have any pump test data? Why not? 2. Lift: Submersible pumps do not build pressure. They provide lift which overcomes head pressure, which is measured in feet. The head pressure against which a submersible pump

### HOW TO SELECT A FLOOR DRAIN

Below illustration is a typical application using the calculator. DRAIN OPEN AREA / FLOW RATE CALCULATIONS ASSUMED VALUES / UNITS USED IN SPREADSHEET CALCULATION: Q = FLOW RATE (GALLONS PER MINUTE) Cd = DISCHARGE COEFFICIENT (0.6 ASSUMED) A = OPEN AREA OF GRATE (SQUARE INCHES) g = ACCELERATION (32 ft/sec/sec) h = HEAD ABOVE FLOOR (INCHES)

### Hydraulic Capacity of Precast Concrete Boxes

can enter the culvert through the inlet at a greater rate than water can flow away from the outlet. Culverts operating under outlet control can flow either part full or full. Figures 3 and 4 are the inlet and outlet nomo-graphs provided by Hydraulic Engineering Circular Number 5 for the selection of box culvert sizes. The

### Slotted PVC Water Flow CalculationTechnical Bulletin

To determine water flow at entrance velocity of 1 ft. per second: Multiply square inches X 31 = GPM at 1 ft. per second (ideal) 34.85 X 31 =10.8 GPM per foot If 80 of screen = 10.8 X 80 = 864.0 GPM Another way of looking at this is to total the square inches of open area X the amount of screen.

### Fluid Flow Outline

Fluid Flow Outline Fundamentals and applications of rheology Shear stress and shear rate Viscosity and types of viscometers Rheological classification of fluids Apparent viscosity Effect of temperature on viscosity Reynolds number and types of flow Flow in a pipe Volumetric and mass flow rate

### The Manning Equation for Partially Full Pipe Flow Calculations

For S.I. units, the constant in the Manning equation changes slightly to the following: Q = (1.00/n)A(Rh 2/3)S1/2 (2) Where: Q is the volumetric flow rate passing through the channel reach in m3s.

### Carrier Gases in Capillary GC Analysis

CARRIER GAS Flow Rate (mL/min) Volume Measurement: At column exit Calculate Electronic Pressure Control (EPC)

### VELOCITY TO GPM CONVERSIONS - HVAC Flow and Energy

BTU/Hr = 500* x Flow Rate (GPM) x Delta-T (ºF) 1 Ton = 12,000 BTU/Hr ONICON Specific Flow Calculations Calculate Flow Rate from Frequency Output GPM = Calculate Flow Rate from Current Output (4-20 mA) GPM = Calculate Flow Rate from Voltage Output (0-10 VDC) GPM = * Approximation for water. ** Refer to calibration tag or certificate.

### Calculating CO2 Flow Rate for Rodent Euthanasia

30% Displacement Rate (L/min) 40% Displacement Rate (L/min) 50% Displacement Rate (L/min) 60% Displacement Rate (L/min) 70% Displacement Rate (L/min) CO 2 Flow Rate Calculations (L/min) will appear below in dark blue boxes Calculating CO 2 Flow Rate for Rodent Euthanasia *See UW IACUC Guideline 02 - 'Directions for CO

### Formulas for Calculating Flow Rate From a Vessel e

The flow of water through the outlet is given by: This flow rate is equivalent to about 36 gpm. q = C d (a) 2gh q = C d (a) 2gh a = πd 2 = π(1) = 0.7854 in 4 4 q = 0.81 (0.7854) 2 (386) 60 = 137 in3/sec Bottom Opening Side Opening

### GPM Chart for Copper and PEX Pipe

w w w p e x s u p p l y c o m 8 8 8 7 5 7 4 7 7 4 PEXSUPPLY RESOURCES GPM Chart for Copper & PEX Pipe Tubing Size/Type Minimum Flow Rate1 (gpm) Maximum Flow Rate2

### Pipe Flow-Friction Factor Calculations with Excel

The Reynolds Number for flow in pipes is defined as: Re = DVρ/µ, where D is the diameter of the pipe in ft (m for S.I.) V is the average fluid velocity in the pipe in ft/sec (m/s for S.I) (The definition of average velocity is: V = Q/A, where Q = volumetric flow rate and A = cross-sectional area of flow)

### Flow of Water Through Schedule 40 Steel Pipe

Flow of Water Through Schedule 40 Steel Pipe Pressure Drop per 100 feet and Velocity in Schedule 40 Pipe for Water at 60 F. Discharge Velocity Press Drop Velocity Press Drop Velocity Press Drop Velocity Press Drop Velocity Press Drop Velocity Press Drop Velocity Press Drop Velocity Press Drop

### SIZING CALCULATIONS FOR SUMP PUMP AT SUMP PIT FOR PROPOSED

Flow Rate (lit/min) 50 100 150 200 Static Head (m) 3.38 3.38 3.38 3.38 Friction Head 50mm dia. 0.49 1.62 2.70 5.39 Total Head (m) 3.87 5.00 6.08 8.77 Pump selection From the plot of system curve against pump performance curve:-Pump selected : Nocchi submersible pump model Priox 300/9 M Aut Capacity : 2.0 lit/sec Operating Head : 6 m

### Wastewater FlowWastewater Flow Rate

wastewater flow rates for a community, the following subjects should be considered. Definition of the various components that make up the wastewater flow rates. Water supply data and its relationship to wastewater flow rates. Wt tWastewater sources an d flow rates. Analysis of flow rate data, and

### Valve Sizing Calculations (Traditional Method)

flow rate Q scale designated for single-ported valves. For butterfly and eccentric disk rotary valves, use the liquid flow rate Q scale designated for double-ported valves. Nomograph Equations 1. Single-Ported Valves: N R = 17250 Q C V ν CS 2. Double-Ported Valves: N R = 12200 Q C V ν CS Nomograph Procedure 1. Lay a straight edge on the

### Intravenous Therapy: Dose and Flow Rate Calculation - Skill

19. Determine the correct flow rate using the manual mathematical calculation method, an electronic device, or both methods before opening the clamp on the IV administration tubing or initiating an IV continuous infusion. a. Manual mathematical calculation method i. Determine the flow rate: ml/hr ÷ 60 min/hr = ml/min (Box 6). ii.

### Fannie Mae Cash Flow Analysis Calculator

federally mandated ability to repay requirements. Generally, the lender may use a profit and loss statement audited or unaudited for a self employed borrower s business only to support its determination of the stability or continuance of the borrower s income.

### Guidelines for C02 Flow Rate - IU

Flow meter Regulator A flow meter measures the volume of gas passing thru the nozzle per unit of time. Generally, the flow meter will measure the amount of CO2 in liters per minute. Flow meters are specific for the type of gas they deliver, the amount of pressure at which the gas is supplied, and the rate (liters/min) of gas the flow meter

### How to Calculate Rated Capacity of a Fire Hydrant with a Diffuser

NFPA and AWWA predicted flow of any fire hydrant is based on the rated capacity at 20 psi. All hydrants are assumed to provide at least 20 psi. Sample Flow Test Results Static Pressure (SP) 70 Residual Pressure (RP) 40 Gallons Per Minute (GPM) 1500 Note - NFPA and AWWA Predicted Flow (PF) is always 20 Step 1 - (SP - PF) = 50

### SPRAYER CALIBRATIONS AND CALCULATIONS

listing the rate of the adjuvant in terms of percentage of the spray mix, volume per acre, or volume per quantity of spray mix Example 10a When the rate is expressed as a % of the spray mix Total spray mix = 500 gallons. Adjuvant rate is 1% of the finished spray volume. 0.01 x 500 = 5 gallons of adjuvant added along with

### C.11Emission Rate Calculations

Flow Rate Calculations Calculation from Measurements V m(std) = C DGMV mT std(P bar+ ΔH)/[P std(T m+460)] = 1.036 x 77.75 dcf x 528 R x (29.79 in Hg + 0.1194 in Hg)/[29.92 in Hg x (97.4 F + 460) R] = 76.271 dscf The first value to calculate is the flow rate during the test. The equation shown in

### Water Flows From Slotted Pipes

jet flow rate would be 10 to 20 kg/s per m of slot. Pipes might be sized at a 5- to 8-crn diameter, with slots 0.3 to 1.0 em wide and as long as possible.

### 1. Designed Wastewater Flow Rate - Matala

total air flow required：81.9×1.5 / 60 =2.05 m3/min f. Air Blower flow rate calculation: design with 2.2Nm3/min(p=4000mmAq，Re-circulated and cooling vertical type roots blower, 50MM，3HP)＞2.05 m3/min OK！ 26 units of fine bubble disc diffusers, air flow rate per diffuser is around 0.08m3/min. g. Back Wash : Air back wash.

### Calculating Chemical Dose - Wa

feed pump rate (below). Then fill in the numbers and use a calculator to find the current values for each of the colored boxes. Finally, plug those values in to the equation at the bottom, and use a calculator to determine the current dose. DOH Publication 331-592 April 2017.

### Floor Drain Engr. Guide/SD15 - Zurn

Flow Rate Calculation Based upon a specified flow rate and head, the grate open area of the required drain can be calculated using the following equation: Q = 448.2 Cd A 2gh where Q = Flow Rate (Gallons per Minute) Cd = Discharge Coefficient (Typically 0.6) A = Open Area of Grate (ft2) g = Acceleration (32.2 ft/s2) h = Head Above the Floor (ft)

### Hayward Hydraulics and Pump Sizing For Existing Pools

The table below lists the maximum flow in GPM based on plumbing size and water velocity. APSP-7 Requires: 6 FPS Suction side, 8 FPS Return side maximum for residential pools. The desired flow rate must be between the minimum turnover rate and the maximum flow rate. The average of the minimum and maximum rates is the Desired Flow Rate.

### High Flow Calculations - WordPress.com

Oxygen Flow Formula This formula lets you determine the oxygen flow to set if you have a target total flow and target FiO2. An example of this is an entrainment device. Oxygen flow = (total flow) x (FiO2 0.21) 0.79* The 0.79 comes from the percentage of the FiO2 that is not accounted for by the oxygen in air (i.e. 1.00 0.21)

### Respiratory Therapy Formulas and Calculations

PSV = ((Peak Pressure Plateau Pressure) / Set Flow) x Peak Flow Rapid Shallow Breathing Index (RSBI) RSBI = Rate / Tidal Volume Endotracheal Tube Size Estimation in Children Tube Size = (Age + 16) / 4 Minimum Flow Rate in Mechanical Ventilation Flow Rate = Minute Ventilation x I:E Ratio Sum of Parts

### Fire-fighting Flow-rate

When comparing flow-rate formulae it is important also to consider their origins and objectives as each approach is intended to deal with a specific range of fire conditions and mechanisms of fire suppression.

### Hose Flow & Sizing

Flow of water through 100 foot lengths hose (straight with smooth bore) U.S. Gallons per minute Maximum recommended air flow in standard cubic feet per minute (scfm) as a guide in sizing hose and piping in compressed air systems. These are maximum recommended flow rates, and this chart is based on a maximum acceptable pressure drop of 15% per

### Pipe Sizes For Water Distribution System Design

Locate the flow rate in GPM demand along the left side of the chart, using the GPM demand from Step 1. Step 3. Proceed to the right from the GPM scale and up from the bottom. Table D-4. Head Loss, Equivalent Length of Pipe (in Feet) Ordinary Entrance Sudden Enlargement Sudden Contraction d1 D4 d1 D2 d3 D4 d1 D4 d1 D2 d3 D4 Size of Pipe d (in

### Determining Tube Size Step 2: Determine Tube and Wall

Step 1: Determine Required Flow Diameter Use Tables U13 and U14 to determine recommended flow diameter for the required flow rate and type of line. The table is based on the following recommended flow veloci­ ties: OR Tube 1.0. (in.) = 0.64 Tube 1.0. (mm) = 4.61 Flow in GPM Velocity in fUsee. Flow in liters per minute Velocity in meters/sec.

### Estimating Storm Water Runoff - PDHonline.com

A hydrograph is a graph displaying some property of water flow, such as stag e (i.e. water level), discharge, velocity, etc., versus time. For displaying runoff characteristics of a water shed, the hy drograph i s one of dischar ge (cubi c feet per second) versus time (hours).

### Fannie Mae Cash Flow Analysis Calculator

Fannie Mae Cash Flow Analysis Calculator Author: Genworth Mortgage Insurance Subject: Use our Fannie Mae Cash Flow Analysis Calculator to work scenarios. Keywords: Fannie Mae cash flow cash flow analysis fannie mae cash flow Created Date: 2/5/2020 1:13:04 PM

### The Water Efficiency Calculator for new dwellings

6 The Water Efficiency Calculator for new dwellings c. Taps i. Flow rate of each tap, at full flow rate in litres per minute measured at a dynamic pressure of 3±0.2 bar (0.3±0.02 MPa) for high pressure (Type 1) taps, or at a dynamic pressure of 0.1±0.02 bar (0.01±0.002 MPa) for low

### Calculating Aeration Flow and Pressure Requirements

determining air flow rate required air flow rate is usually specified as scfm looks like volume flow rate, but is really mass flow rate standard conditions in wastewater usually 68 °f, 14.7 psia, and 36% rh this is equivalent to 0.075 lb/ft3 1:35 pm 9