When rock layers are folded, a geological fold happens. These folds form under various conditions such as stress, hydrostatic pressure, pore pressure, and temperature gradient.
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Air pressure Gradient
Synonyms for gradient: acclivity, bank, declivity, grade, hill, incline, rise, slope Adjectives that describe gradient: steep gradual positive negative sharp localized
"Gradient" of a point quantity is a measurement of how fast it changes in a specific direction. For topography, the gradient of the land is its slope in some direction. It would work out to be dimensionless, because it has to be change in elevation/distance which is length/length no matter what units you use for the elevation or distance.
Temperature gradient is a vector quantity. It represents the rate of change in temperature with respect to position and has both magnitude and direction.
real life using of gradient
To find the temperature gradient between two thermometers, subtract the temperature reading of the first thermometer from the temperature reading of the second thermometer. This difference represents the temperature change over the distance between the two thermometers, indicating the temperature gradient.
The temperature gradient of an oil well refers to the change in temperature per unit depth below the surface. It varies depending on factors such as the geothermal gradient of the region and the specific characteristics of the well. Generally, the temperature gradient in oil wells ranges from 0.02 to 0.05°C per meter of depth.
The temperature gradient.
First the conductor should be available (as copper, aluminum, iron, ... ) then to have a gradient (electric gradient, temperature gradient, ...)
The steepness of the gradient, the size of the molecules or ions diffusing, and the temperature of the system all have an impact on the concentration gradient.
The Soret effect is the phenomenon where a temperature gradient causes a concentration gradient in a fluid mixture. The Dufour effect is the phenomenon where a concentration gradient causes a temperature gradient in a fluid mixture. Both effects are important in non-isothermal mass transport processes.
The term for the increase in temperature with depth in the Earth is called geothermal gradient. This gradient is typically around 25-30°C per kilometer in the Earth's crust.
A gradient requires two variables. There is information on only one.
The formula for bottom hole temperature in an oil well is generally given as: BHT = THP + (250 - 0.5 x TD), where BHT is the bottom hole temperature, THP is the surface hole temperature, TD is the true vertical depth of the well, and 250 is a constant representing the average geothermal gradient.
Assume you want to know what is the formula of the gradient of the function in multivariable calculus. Let F be a scalar field function in n-dimension. Then, the gradient of a function is: ∇F = <fx1 , fx2, ... , fxn> In the 3-dimensional Cartesian space: ∇F = <fx, fy, fz>