Fx Copy
LaTeX Copy
Critical Time refers to the minimum dissolved oxygen concentration occurs, found by differentiating the dissolved oxygen equation with respect to time. Check FAQs
tc=log10DcfLtKD
tc - Critical Time?Dc - Critical Oxygen Deficit?f - Self-Purification Constant?Lt - Oxygen Equivalent?KD - Deoxygenation Constant?

Critical Time given Self Purification Constant with Critical Oxygen Deficit Example

With values
With units
Only example

Here is how the Critical Time given Self Purification Constant with Critical Oxygen Deficit equation looks like with Values.

Here is how the Critical Time given Self Purification Constant with Critical Oxygen Deficit equation looks like with Units.

Here is how the Critical Time given Self Purification Constant with Critical Oxygen Deficit equation looks like.

0.4745Edit=log100.0003Edit0.9Edit0.21Edit0.23Edit
You are here -
HomeIcon Home » Category Engineering » Category Civil » Category Environmental Engineering » fx Critical Time given Self Purification Constant with Critical Oxygen Deficit

Critical Time given Self Purification Constant with Critical Oxygen Deficit Solution

Follow our step by step solution on how to calculate Critical Time given Self Purification Constant with Critical Oxygen Deficit?

FIRST Step Consider the formula
tc=log10DcfLtKD
Next Step Substitute values of Variables
tc=log100.00030.90.21mg/L0.23d⁻¹
Next Step Convert Units
tc=log100.00030.90.0002kg/m³2.7E-6s⁻¹
Next Step Prepare to Evaluate
tc=log100.00030.90.00022.7E-6
Next Step Evaluate
tc=41000.3572101125s
Next Step Convert to Output's Unit
tc=0.474541171413339d
LAST Step Rounding Answer
tc=0.4745d

Critical Time given Self Purification Constant with Critical Oxygen Deficit Formula Elements

Variables
Functions
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.
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.
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.
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.
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.
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 Time

​Go Critical Time
tc=(1KR-KD)log10((KDLt-KRDo+KDDoKDLt)(KRKD))
​Go Critical Time when we have Critical Oxygen Deficit
tc=log10DcKRKDLtKD
​Go Critical Time given Self Purification Factor
tc=-(log101-(f-1)(DcLt)fKD(f-1))

How to Evaluate Critical Time given Self Purification Constant with Critical Oxygen Deficit?

Critical Time given Self Purification Constant with Critical Oxygen Deficit evaluator uses Critical Time = log10(Critical Oxygen Deficit*Self-Purification Constant/Oxygen Equivalent)/Deoxygenation Constant to evaluate the Critical Time, The Critical Time given Self Purification Constant with Critical Oxygen Deficit formula is defined as the crucial time period in which certain tasks must be completed to avoid project delays. Critical Time is denoted by tc symbol.

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

FAQs on Critical Time given Self Purification Constant with Critical Oxygen Deficit

What is the formula to find Critical Time given Self Purification Constant with Critical Oxygen Deficit?
The formula of Critical Time given Self Purification Constant with Critical Oxygen Deficit is expressed as Critical Time = log10(Critical Oxygen Deficit*Self-Purification Constant/Oxygen Equivalent)/Deoxygenation Constant. Here is an example- -3.4E-6 = log10(0.0003*0.9/0.00021)/2.66203703703704E-06.
How to calculate Critical Time given Self Purification Constant with Critical Oxygen Deficit?
With Critical Oxygen Deficit (Dc), Self-Purification Constant (f), Oxygen Equivalent (Lt) & Deoxygenation Constant (KD) we can find Critical Time given Self Purification Constant with Critical Oxygen Deficit using the formula - Critical Time = log10(Critical Oxygen Deficit*Self-Purification Constant/Oxygen Equivalent)/Deoxygenation Constant. This formula also uses Common Logarithm (log10) function(s).
What are the other ways to Calculate Critical Time?
Here are the different ways to Calculate Critical Time-
  • Critical Time=(1/(Reoxygenation Coefficient-Deoxygenation Constant))*log10(((Deoxygenation Constant*Oxygen Equivalent-Reoxygenation Coefficient*Initial Oxygen Deficit+Deoxygenation Constant*Initial Oxygen Deficit)/Deoxygenation Constant*Oxygen Equivalent)*(Reoxygenation Coefficient/Deoxygenation Constant))OpenImg
  • Critical Time=log10((Critical Oxygen Deficit*Reoxygenation Coefficient)/(Deoxygenation Constant*Oxygen Equivalent))/Deoxygenation ConstantOpenImg
  • Critical Time=-(log10(1-(Self-Purification Constant-1)*(Critical Oxygen Deficit/Oxygen Equivalent)*Self-Purification Constant)/(Deoxygenation Constant*(Self-Purification Constant-1)))OpenImg
Can the Critical Time given Self Purification Constant with Critical Oxygen Deficit be negative?
No, the Critical Time given Self Purification Constant with Critical Oxygen Deficit, measured in Time cannot be negative.
Which unit is used to measure Critical Time given Self Purification Constant with Critical Oxygen Deficit?
Critical Time given Self Purification Constant with Critical Oxygen Deficit is usually measured using the Day[d] for Time. Second[d], Millisecond[d], Microsecond[d] are the few other units in which Critical Time given Self Purification Constant with Critical Oxygen Deficit can be measured.
Copied!