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Author: akawak

free online calculators > Articles by: akawak

Liquid Phase Diffusion Coefficient Calculator

Liquid Phase Diffusion Coefficient Calculator Liquid Phase Diffusion Coefficient Calculator Calculate the diffusion coefficient \( D \) (cm²/s) using the Wilke–Chang equation: $$ D = \frac{7.4\times10^{-8}\,\sqrt{\phi\,M_B}\,T}{\mu\,V_A^{0.6}} $$ * Enter the absolute temperature (K), solvent viscosity (cP), solvent molar mass (g/mol), solute molar volume at boiling point (cm³/mol), and solvent association factor \( \phi \) (dimensionless). […]

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Broad Crested Weir Calculator

Broad Crested Weir Calculator Broad Crested Weir Calculator Estimate the discharge using: $$ Q = \frac{2}{3}\, L\, \sqrt{2g}\, h^{3/2} $$ * Enter the weir crest length and head in millimeters (mm). They will be converted to meters. The result is displayed in cubic meters per second (m³/s). Step 1: Enter Parameters Weir Crest Length, \( […]

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Symmetrical Three Phase Transmission Line Inductance Calculator

Symmetrical Three Phase Transmission Line Inductance Calculator Symmetrical Three Phase Transmission Line Inductance Calculator Calculate the total inductance using: $$ L’ = 2\times10^{-7}\ln\!\left(\frac{D}{r}\right) \quad \text{(H/m)} $$ and $$ L_{\text{total}} = L’ \times L_{\text{line}} $$ * Enter the conductor spacing \( D \) (mm), conductor GMR \( r \) (mm), and line length (km). Values are […]

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Double Circuit Transmission Line Inductance Calculator

Double Circuit Transmission Line Inductance Calculator Double Circuit Transmission Line Inductance Calculator This calculator estimates the total inductance of a double circuit transmission line using: $$ L’ = 2\times10^{-7}\ln\!\left(\frac{D_{\text{eff}}}{r}\right) \quad \text{(H/m)} $$ and $$ L_{\text{total}} = L’ \times L_{\text{line}} $$ * Enter the effective spacing \( D_{\text{eff}} \) (mm), the conductor GMR \( r \) […]

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Reactance-Based Component Calculator

Capacitance and Inductance from Reactance Calculator Reactance-Based Component Calculator Calculate the required inductance or capacitance from a given reactance and frequency. For an inductor: \(X_L = 2\pi f L\) so \(L = \frac{X}{2\pi f}\). For a capacitor: \(X_C = \frac{1}{2\pi f C}\) so \(C = \frac{1}{2\pi f X}\). Step 1: Enter Parameters Frequency, \( f […]

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Inductance of Electrode or Straight Wire Calculator

Inductance of Electrode or Straight Wire Calculator Inductance of Electrode or Straight Wire Calculator Calculate the self‑inductance using: $$ L = \frac{\mu_0\, l}{2\pi}\left[\ln\!\left(\frac{2l}{a}\right) – 1\right] $$ * Enter the wire (electrode) length \(l\) and radius \(a\) in millimeters (mm). They are converted to meters automatically; the result is in microhenries (µH). Step 1: Enter Parameters […]

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Circuit Parallel Inductance Calculator

Circuit Parallel Inductance Calculator Circuit Parallel Inductance Calculator Calculate the equivalent inductance for inductors connected in parallel: $$ \frac{1}{L_{\text{eq}}} = \frac{1}{L_1} + \frac{1}{L_2} + \cdots + \frac{1}{L_n} $$ * Enter inductance values in henries (H), separated by commas. Step 1: Enter Inductor Values Inductance Values (H): Enter values separated by commas. e.g., 0.01, 0.02, 0.03 […]

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Asymmetrical Transposed Three Phase Transmission Line Inductance Calculator

Asymmetrical Transposed Three Phase Transmission Line Inductance Calculator Asymmetrical Transposed Three Phase Transmission Line Inductance Calculator This calculator estimates the per‑unit‑length inductance using: $$ L’ = 2 \times 10^{-7}\ln\!\left(\frac{D_m}{r’}\right) \quad\text{(H/m)} $$ with total inductance: $$ L_{\text{total}} = L’ \times L_{\text{line}} $$ * Input the line length (km), the three inter‑conductor distances (mm), and the conductor […]

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Single Phase Transmission Line Inductance Calculator

Single Phase Transmission Line Inductance Calculator Single Phase Transmission Line Inductance Calculator Calculate the total inductance using: $$ L_{\text{total}} = \left(2 \times 10^{-7} \ln\!\left(\frac{D}{r}\right)\right) \times L $$ * Enter the line length, conductor spacing, and conductor radius in millimeters (mm). They are converted to meters, and the result is displayed in microhenries (µH). Step 1: […]

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