#DEPRIESTER CHART K VALUES LOW T SERIES#

For example, to find the K value of methane at 100 psia and 60 F. This Demonstration applies a DePriester chart, a set of nomograms to find the vapor-liquid equilibrium ratio (the gas phase mole fraction divided by the liquid phase mole fraction, known as the -value) for a series of hydrocarbons. Many DePriester charts have been printed for simple hydrocarbons. K-factor (actuarial), the ratio of the value of deferrable expenses to the value of estimated gross profits. 'K' values, representing the tendency of a given chemical species to partition itself preferentially between liquid and vapor phases, are plotted in between.

ВҐFor perfectly sorted (i.e., uniform diameter) spherical glass beads, k can be predicted on the basis of diameter, d alone k d2 ВҐIf the grain size varies then use, e.g. The corresponding k value for normalweight concrete is generally between 9.0 and 12.0, depending upon the density of the concrete. 2 Intrinsic Permeability, k ВҐkL2, where we could define L in terms of a characteristic distance, say grain size. The thermal conductivity, k, for lightweight concrete is usually between 2.5 and 3.6 Btu per hour per inch thickness per square foot per degree Fahrenheit for oven-dry concretes weighing 80 to 100 Ibs. It represents the steady-state heat flow through a unit area. It is a fundamental property, independent of the quantity of material. Frequently Asked Questions What is a k value?ДЄ k-value (sometimes referred to as a k-factor or lambda value О») is a measure of the thermal conductivity of a material, that is, how easily heat passes across it.

Depriester chart k values low t