K Value
The time rate of steady state heat flow through a unit area of a homogeneous material induced by a unit temperature gradient in a direction perpendicular to that unit area.
K value. K value or k value may refer to. The relative permittivity κ. In normal subjects the k value is greater than 1 05 while in diabetic patients it is 1 0 or less. Firstly k value indicates the ability of a material to conduct heat.
Patients with diabetes mellitus and an elevated fasting blood glucose value have unequivocally low k values generally in the range of 0 3 0 5 per minute. Values in the range 1 0 1 05 are considered borderline. A measure of the ability of a material to allow the flow of heat from its warmer surface through the material to its colder surface determined as the. K value synonyms k value pronunciation k value translation english dictionary definition of k value.
The force constant of a spring see hooke s law. Materials with low thermal conductivities do not easily allow heat energy to pass through. Normally you would look for a material with a low k value to insulate as this will keep the cool inside your building. K value is simply shorthand for thermal conductivity.
The astm standard c168 on terminology defines the term as follows.