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Using the information from above, a 100 gallon delivery on a cold day (far below 60°F) may indicate less than 100 gallons delivered just by looking at the gauge. These data include the following: Thermophysical Properties of Fluid Systems. In November 2015, this was changed to a Cummins Proprietary methane number calculation. The calculator below can be used to estimate the specific heat of propane at constant volum(C V) or constant pressure(C P) and at given temperature. Before November 2015, Cummins Westport’s fuel quality calculator used a Methane Number (MN) calculation based on the Society of Automotive Engineers (SAE 922359 Eqn 4). All physical properties, like mixture density or LPG component partial pressure, are calculated for the selected propane-butane mixture ratio. The properties of an ideal gas are all summarized in one formula of the form: pV = nRT. LPG stays liquid because it is under pressure in a gas cylinder. Propane - Density and Specific Weight - Online calculator, figures and tables showing density and specific weight of propane, C 3 H 8, at temperatures ranging from -187 to 725 °C (-305 to 1300 °F) at atmospheric and higher pressure - Imperial and SI Units Online Propane Specific HeatCalculator. LPG Properties & LPG Composition - What Are the Properties of LPG Water boils at 100°C or 212°F, becoming a gas (steam). The calculator can be used for computation of pipe diameter when the flow rate is known. Ideal gas law equation. Free Algebraic Properties Calculator - Simplify radicals, exponents, logarithms, absolute values and complex numbers step-by-step This website uses cookies to ensure you get the best experience. Here are single species physical properties calculator choices that include all three (3) i nput v alues options (TP, HP and SP): Carbon, Hydrogen, Sulfur, Nitrogen, Oxygen, Water, Methane, Carbon Monoxide, Carbon Dioxide, Water Vapor, Sulfur Dioxide, Air and Ammonia Below is a sample air calculator for TP, HP and SP input values options: In contrast, LPG (propane) boils at -42°C or -44°F, becoming gas vapour. where: p is the pressure of the gas, measured in Pa;; V is the volume of the gas, measured in m³;; n is the amount of substance, measured in moles;; R is the ideal gas constant; and; T is the temperature of the gas, measured in Kelvins. By using this website, you agree to our Cookie Policy. Propane users can become quite confused during periods of cold weather following a gas delivery because their propane tank gauge may read less than what they expect it to read. Calculate properties of combustion gases. Mollier diagrams included. Calculate online thermodynamic and transport properties of water and steam, based on industrial (IAPWS-IF97) or scientific (IAPWS-95) formulation. For practical purpose the heat capacity of liquid propane is constant with varying pressure up to critical point (96.7°C, 42.5 bara / 206°F, 616 psia). Liquid density is about half that of water. The calculator considers LPG as incompressible which is correct only for LPG liquid state. Accurate thermophysical properties are available for several fluids.