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Critical Oxygen Deficit is referred as the condition where the deoxygenation rate exceeds the reoxygenation rate. Check FAQs
Dc=10log10(Ltf)-(KDtc)
Dc - Critical Oxygen Deficit?Lt - Oxygen Equivalent?f - Self-Purification Constant?KD - Deoxygenation Constant?tc - Critical Time?

Log value of Critical Oxygen Deficit Example

With values
With units
Only example

Here is how the Log value of Critical Oxygen Deficit equation looks like with Values.

Here is how the Log value of Critical Oxygen Deficit equation looks like with Units.

Here is how the Log value of Critical Oxygen Deficit equation looks like.

0.0002Edit=10log10(0.21Edit0.9Edit)-(0.23Edit0.5Edit)
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Log value of Critical Oxygen Deficit Solution

Follow our step by step solution on how to calculate Log value of Critical Oxygen Deficit?

FIRST Step Consider the formula
Dc=10log10(Ltf)-(KDtc)
Next Step Substitute values of Variables
Dc=10log10(0.21mg/L0.9)-(0.23d⁻¹0.5d)
Next Step Convert Units
Dc=10log10(0.0002kg/m³0.9)-(2.7E-6s⁻¹43200s)
Next Step Prepare to Evaluate
Dc=10log10(0.00020.9)-(2.7E-643200)
Next Step Evaluate
Dc=0.000179051014184424
LAST Step Rounding Answer
Dc=0.0002

Log value of Critical Oxygen Deficit Formula Elements

Variables
Functions
Critical Oxygen Deficit
Critical Oxygen Deficit is referred as the condition where the deoxygenation rate exceeds the reoxygenation rate.
Symbol: Dc
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Oxygen Equivalent
The Oxygen Equivalent is referred as the oxidizable organic matter present in sewage.
Symbol: Lt
Measurement: DensityUnit: mg/L
Note: Value should be greater than 0.
Self-Purification Constant
Self-Purification Constant is referred as the ratio of reoxygenation constant to deoxygenation constant.
Symbol: f
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Deoxygenation Constant
Deoxygenation Constant is referred as the value obtained after decomposing of oxygen in sewage.
Symbol: KD
Measurement: First Order Reaction Rate ConstantUnit: d⁻¹
Note: Value should be greater than 0.
Critical Time
Critical Time refers to the minimum dissolved oxygen concentration occurs, found by differentiating the dissolved oxygen equation with respect to time.
Symbol: tc
Measurement: TimeUnit: d
Note: Value should be greater than 0.
log10
The common logarithm, also known as the base-10 logarithm or the decimal logarithm, is a mathematical function that is the inverse of the exponential function.
Syntax: log10(Number)

Other Formulas to find Critical Oxygen Deficit

​Go Oxygen Deficit given Critical Time in Self Purification Factor
Dc=(Ltf-1)(1-(10tcKD(f-1)f))

Other formulas in Oxygen Deficit category

​Go Oxygen Deficit
D=SDO-ADO
​Go DO Deficit using Streeter-Phelps Equation
D=(KDLKR-KD)(10-KDt-10-KRt+Do10-KRt)

How to Evaluate Log value of Critical Oxygen Deficit?

Log value of Critical Oxygen Deficit evaluator uses Critical Oxygen Deficit = 10^(log10(Oxygen Equivalent/Self-Purification Constant)-(Deoxygenation Constant*Critical Time)) to evaluate the Critical Oxygen Deficit, The Log value of Critical Oxygen Deficit formula is defined as the value is often used in models to predict the point at which dissolved oxygen levels are at their lowest. Critical Oxygen Deficit is denoted by Dc symbol.

How to evaluate Log value of Critical Oxygen Deficit using this online evaluator? To use this online evaluator for Log value of Critical Oxygen Deficit, enter Oxygen Equivalent (Lt), Self-Purification Constant (f), Deoxygenation Constant (KD) & Critical Time (tc) and hit the calculate button.

FAQs on Log value of Critical Oxygen Deficit

What is the formula to find Log value of Critical Oxygen Deficit?
The formula of Log value of Critical Oxygen Deficit is expressed as Critical Oxygen Deficit = 10^(log10(Oxygen Equivalent/Self-Purification Constant)-(Deoxygenation Constant*Critical Time)). Here is an example- 0.000269 = 10^(log10(0.00021/0.9)-(2.66203703703704E-06*43200)).
How to calculate Log value of Critical Oxygen Deficit?
With Oxygen Equivalent (Lt), Self-Purification Constant (f), Deoxygenation Constant (KD) & Critical Time (tc) we can find Log value of Critical Oxygen Deficit using the formula - Critical Oxygen Deficit = 10^(log10(Oxygen Equivalent/Self-Purification Constant)-(Deoxygenation Constant*Critical Time)). This formula also uses Common Logarithm (log10) function(s).
What are the other ways to Calculate Critical Oxygen Deficit?
Here are the different ways to Calculate Critical Oxygen Deficit-
  • Critical Oxygen Deficit=(Oxygen Equivalent/(Self-Purification Constant-1))*(1-((10^(Critical Time*Deoxygenation Constant*(Self-Purification Constant-1)))/Self-Purification Constant))OpenImg
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