Empirical constant for AJM Solution

STEP 0: Pre-Calculation Summary
Formula Used
Empirical Constant = Metal Removal Rate/(Abrasive Particles Number Impacting Per Unit Time*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4))
A0 = Zw/(N*dmean^3*V^(3/2)*(ρ/(12*hb))^(3/4))
This formula uses 7 Variables
Variables Used
Empirical Constant - The Empirical constant is a self determined constant whose value is accessible from table of such constants. This constant is used to calculate the intrinsic carrier concentration.
Metal Removal Rate - (Measured in Cubic Meter per Second) - Metal Removal Rate(MRR) is the amount of material removed per time unit (usually per minute) when performing machining operations such as using a lathe or milling machine.
Abrasive Particles Number Impacting Per Unit Time - Abrasive Particles Number Impacting Per Unit Time is defined as the average number of particles impacting work surface to cut it during Abrasive Jet Machining.
Mean Diameter of Abrasive Particles - (Measured in Meter) - Mean diameter of Abrasive Particles is the mean calculated from sampling method.
Velocity - (Measured in Meter per Second) - Velocity is a vector quantity (it has both magnitude and direction) and is the rate of change of the position of an object with respect to time.
Density - (Measured in Kilogram per Cubic Meter) - The Density of a material shows the denseness of that material in a specific given area. This is taken as mass per unit volume of a given object.
Brinell Hardness - (Measured in Pascal) - Brinell Hardness uses a hard, spherical indenter which is forced into the surface of the metal to be tested.
STEP 1: Convert Input(s) to Base Unit
Metal Removal Rate: 0.16 Cubic Meter per Second --> 0.16 Cubic Meter per Second No Conversion Required
Abrasive Particles Number Impacting Per Unit Time: 5 --> No Conversion Required
Mean Diameter of Abrasive Particles: 4 Millimeter --> 0.004 Meter (Check conversion ​here)
Velocity: 1420686.92120444 Meter per Second --> 1420686.92120444 Meter per Second No Conversion Required
Density: 997 Kilogram per Cubic Meter --> 997 Kilogram per Cubic Meter No Conversion Required
Brinell Hardness: 200 Kilogram-Force per Square Millimeter --> 1961329999.99986 Pascal (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
A0 = Zw/(N*dmean^3*V^(3/2)*(ρ/(12*hb))^(3/4)) --> 0.16/(5*0.004^3*1420686.92120444^(3/2)*(997/(12*1961329999.99986))^(3/4))
Evaluating ... ...
A0 = 99.9999999999998
STEP 3: Convert Result to Output's Unit
99.9999999999998 --> No Conversion Required
FINAL ANSWER
99.9999999999998 100 <-- Empirical Constant
(Calculation completed in 00.004 seconds)

Credits

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Created by Rajat Vishwakarma
University Institute of Technology RGPV (UIT - RGPV), Bhopal
Rajat Vishwakarma has created this Calculator and 400+ more calculators!
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Verified by Nishan Poojary
Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi
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Abrasive Jet Machining (AJM) Calculators

Mean diameter of abrasive particles
​ LaTeX ​ Go Mean Diameter of Abrasive Particles = (Metal Removal Rate/(Empirical Constant*Abrasive Particles Number Impacting Per Unit Time*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4)))^(1/3)
Number of abrasive particles impacting per unit time
​ LaTeX ​ Go Abrasive Particles Number Impacting Per Unit Time = Metal Removal Rate/(Empirical Constant*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4))
Empirical constant for AJM
​ LaTeX ​ Go Empirical Constant = Metal Removal Rate/(Abrasive Particles Number Impacting Per Unit Time*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4))
Material removal rate
​ LaTeX ​ Go Metal Removal Rate = Empirical Constant*Abrasive Particles Number Impacting Per Unit Time*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4)

Empirical constant for AJM Formula

​LaTeX ​Go
Empirical Constant = Metal Removal Rate/(Abrasive Particles Number Impacting Per Unit Time*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4))
A0 = Zw/(N*dmean^3*V^(3/2)*(ρ/(12*hb))^(3/4))

What is Abrasive Jet Machining ?

Abrasive Jet Machining is a process that uses a very high speed (supersonic about 2.5 Mach number) water jet mixed with abrasives to cut any type of material without, in any way, affecting the work material or the environment.
The AJM machines aim a highly focused, supersonic stream of water at the material such that it can cut composites smoothly by eroding them without generating any heat. Thus the AJM process eliminates all the thermal and mechanical distortion caused by conventional cutting methods. Also the water jet nozzle can be directed at any angle to the material thereby allowing for angled cuts. For cutting soft materials such as textiles and food stuffs, pure water without any abrasives is used.

How to Calculate Empirical constant for AJM?

Empirical constant for AJM calculator uses Empirical Constant = Metal Removal Rate/(Abrasive Particles Number Impacting Per Unit Time*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4)) to calculate the Empirical Constant, The Empirical constant for AJM represents a coefficient used in empirical formulas to calculate various parameters or predict machining performance in AJM processes. This constant is determined experimentally and varies based on factors such as the abrasive material used, nozzle design, machining conditions, and material being machined. Empirical Constant is denoted by A0 symbol.

How to calculate Empirical constant for AJM using this online calculator? To use this online calculator for Empirical constant for AJM, enter Metal Removal Rate (Zw), Abrasive Particles Number Impacting Per Unit Time (N), Mean Diameter of Abrasive Particles (dmean), Velocity (V), Density (ρ) & Brinell Hardness (hb) and hit the calculate button. Here is how the Empirical constant for AJM calculation can be explained with given input values -> 100 = 0.16/(5*0.004^3*1420686.92120444^(3/2)*(997/(12*1961329999.99986))^(3/4)).

FAQ

What is Empirical constant for AJM?
The Empirical constant for AJM represents a coefficient used in empirical formulas to calculate various parameters or predict machining performance in AJM processes. This constant is determined experimentally and varies based on factors such as the abrasive material used, nozzle design, machining conditions, and material being machined and is represented as A0 = Zw/(N*dmean^3*V^(3/2)*(ρ/(12*hb))^(3/4)) or Empirical Constant = Metal Removal Rate/(Abrasive Particles Number Impacting Per Unit Time*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4)). Metal Removal Rate(MRR) is the amount of material removed per time unit (usually per minute) when performing machining operations such as using a lathe or milling machine, Abrasive Particles Number Impacting Per Unit Time is defined as the average number of particles impacting work surface to cut it during Abrasive Jet Machining, Mean diameter of Abrasive Particles is the mean calculated from sampling method, Velocity is a vector quantity (it has both magnitude and direction) and is the rate of change of the position of an object with respect to time, The Density of a material shows the denseness of that material in a specific given area. This is taken as mass per unit volume of a given object & Brinell Hardness uses a hard, spherical indenter which is forced into the surface of the metal to be tested.
How to calculate Empirical constant for AJM?
The Empirical constant for AJM represents a coefficient used in empirical formulas to calculate various parameters or predict machining performance in AJM processes. This constant is determined experimentally and varies based on factors such as the abrasive material used, nozzle design, machining conditions, and material being machined is calculated using Empirical Constant = Metal Removal Rate/(Abrasive Particles Number Impacting Per Unit Time*Mean Diameter of Abrasive Particles^3*Velocity^(3/2)*(Density/(12*Brinell Hardness))^(3/4)). To calculate Empirical constant for AJM, you need Metal Removal Rate (Zw), Abrasive Particles Number Impacting Per Unit Time (N), Mean Diameter of Abrasive Particles (dmean), Velocity (V), Density (ρ) & Brinell Hardness (hb). With our tool, you need to enter the respective value for Metal Removal Rate, Abrasive Particles Number Impacting Per Unit Time, Mean Diameter of Abrasive Particles, Velocity, Density & Brinell Hardness and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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