Thermodynamics Calculator vs Electric Motors Speed Calc Usage & Stats
Thermodynamics Calculator contains following 44 Calculators related to Thermodynamics with Thermal Engineering Tables.
- with Formulas, tables and Definitions for easy reference.
- works both in iPads and iPhones
List of Calculators are :
1.Carnot Efficiency (Carnot Cycle)
2.Eckert Number
3.Emissivity Coefficient
4.Energy Efficiency
5.Energy/Work Converter
6.Enthalpy
7.Entropy
8.Fick's Law of Diffusion
9.Fouling Factor
10.Fourier Number
11.Heat Flow
12.Heat Storage
13.Heat Transfer Rate
14.Kinetic Energy
15.Laws of Thermodynamics
16.Lewis Number
17.Liquid Phase Diffusion Coefficient
18.Nusselt Number
19.Peclet Number
20.Potential Energy
21.Prandtl Number
22.Radiation Constant
23.Radiation Converter
24.Radiation Heat Transfer
25.Rankine Efficiency
26.Sherwood Number
27.Specific Heat Capacity Calculator
28.Specific Heat Capacity Converter
29.Stefan-Boltzmann Law
30.Surface Absorbtivities
31.Temperature Converter
32.Thermal Area Expansion
33.Thermal Conductivity (Common Liquids)
34.Thermal Conductivity (Heat Exchanger Materials)
35.Thermal Conductivity Calculator
36.Thermal Conductivity Converter
37.Thermal Diffusivity
38.Thermal Expansion Converter
39.Thermal Linear & Volumetric Expansion Relationship
40.Thermal Linear Expansion
41.Thermal Resistivity
42.Thermal Transmittance
43.Thermal Volumetric Expansion
44.Work
Useful for Mechanical Engineers and Students.
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Electric Motors Power Torque Speed Calculator is a physics/math calculator designed to find electric motor power, torque, or speed quickly and easily.
Features:
- Instant calculation
- Results are copyable to other apps
- Formulas are included as references
- Supports up to 16 decimal places
- Supports various units for each input
The speed for an electric motor in SI units can be calculated as
n = f x ( 2 / p ) x 60
The torque for an electric motor in SI units can be calculated as
T = P x 9.549 / n
Where:
T = torque (Nm)
P = power (watts)
n = revolution per minute (rpm)
f = frequency of electrical power supply (Hz, cycles/sec, 1/s)
p = number of poles
The speed for an electric motor is determined by the power supply frequency and the number of poles in the motor winding. The torque is the twisting force and is also the driving force of an electric motor. The power produced by the motor depends on the speed of the motor, which is zero at 0% speed and normally at its peak at 100% speed.
On an induction motor, the number of poles determines the speed given the frequency of the power. For example, a 2-pole motor on 60 Hz equals
RPM = 60*(2/2)*60
RPM = 3600 rpm
a 4 pole motor on 60 Hz equal to
RPM = 60*(2/4)*60
RPM = 1800 rpm
For 6 poles, 1200 rpm, and so on.
As speed decreases, the torque increases, so an 8-pole motor has 4x the torque compared to a 2-pole motor with 1/4 the 8-pole motor speed.
*60 Hz is the most common frequency in the US.
*50 Hz is the most common frequency outside the US.
Thanks for your support, and please do visit nitrio.com for more apps for your iOS devices.
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Thermodynamics Calculator VS. 
Electric Motors Speed CalcDecember 31, 2024