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In English Engineering units, the specific heat c p of air at room temperature is approximately 0.24 Btu/lbm-°F. When working with kinetic energy relations, it is more appropriate to express c p as a velocity-squared per absolute degree. Give the numerical value, in this form, of c p for air in a SI units, and b BG units. Specific heat relates to other intensive measures of heat capacity with other denominators. If the amount of substance is measured as a number of moles, one gets the molar heat capacity instead whose SI unit is joule per kelvin per mole, J/K/mol. 03/01/2011 · Cp:it is the amount of heat require to raise the temperature of unit mass of substance by 1 degree as the pressure is kept constant. and its unit is heat mass transfer is KJ/kgkor Kj/kgc as change of temperature in kelvin=change of temperature in degree celcius. Download Specific Heat Capacity Unit Converter our powerful software utility that helps you make easy conversion between more than 2,100 various units of measure in more than 70 categories. Discover a universal assistant for all of your unit conversion needs - download the free demo version right away! In this example, the first parameter, \T\, is the output property that will be returned from PropsSI. The second and fourth parameters are the specified input pair of properties that determine the state point where the output property will be calculated.

12/06/2014 · Air is a mixture of gases, 78% nitrogen and 21% oxygen with traces of water vapor, carbon dioxide, argon, and various other components. We usually model air as a uniform no variation or fluctuation gas with properties that are averaged from all the individual components. Any gas has certain properties that we can detect with our senses. In this page we briefly discuss the most common units for the two main types of viscosity: dynamic and kinematic. Units for Dynamic Viscosity. The most commonly used unit for dynamic viscosity is the CGS unit centipoise cP, which is equivalent to 0.01 Poise P.

Heat capacity or thermal capacity is a physical property of matter, defined as the amount of heat to be supplied to a given mass of a material to produce a unit change in its temperature. The SI unit of heat capacity is joule per kelvin J/K. Heat capacity is an extensive property. The corresponding intensive property is the specific heat. It is commonly expressed, particularly in ASTM standards, as centipoise cP since the latter is equal to the SI multiple millipascal seconds mPa·s. The SI unit of kinematic viscosity is square meter per second m 2 /s, whereas the CGS unit for kinematic viscosity is. Table A-22E Ideal Gas Properties of Air 977 Table A-23E Ideal Gas Properties of Selected Gases 979 Table A-24E Constants for the van der Waals, Redlich–Kwong, and Benedict–Webb–Rubin Equations of State 983 Table A-25E Thermochemical Properties of Selected Substances at 537 8R and 1 atm. 984 Index to Tables in English Units. The density of air or atmospheric density, denoted ρ Greek: rho, is the mass per unit volume of Earth's atmosphere. Air density, like air pressure, decreases with increasing altitude. It also changes with variation in atmospheric pressure, temperature and humidity.