... available in English units, we should have at hand a conversion factor for thermal conductivity: h ft 1.8◦ F J · · · 0.0009478 Btu 3600 s 0.3048 m K Thus the conversion factor from W/m·K to its English ... layperson also knows that there are two classes of fluids, liquids and gases Again the distinction is a technical one concerning the effect of cohesive forces A liquid, being composed of relatively close-packed ... constantly changing properties Do the properties retain their meaning in a fluid flow which is technically not in equilibrium? The answer is yes, from a statistical argument In gases at normal...