An explicit divergence difference scheme of third order of approximation with respect to the spatial variables is used to calculate two-dimensional steady flows of an inviscid gas that does not conduct heat in contracting-expanding nozzles in the presence of nonequilibrium physicochemical processes. ...
The position of objects in motion is described as a function of time in calculus. To find the average velocity of the object given this function, it is necessary to calculate two positions at different times by evaluating the function. After calculating the position for each time, plug the re...
percent wRepeat the calculation of the adiabatic, perfect gas lapse rate for a gas that is 1.15 mol percent water; ?The water does not condense. The molar heat capacity ?Cp ?of water vapor may be taken as 4.1 R. How large an error do we make by ignoring this water in computing the...
tubing,etc.DrillingCostPerFootEquivalentCirculatingDensity(ECD)FormationIntegrityTest(FIT)FormationTemperatureHowmanyfeetofdrillpipepulledtolosecertainamountofhydrostaticpressure(psi)HydrostaticPressure(HP)HydrostaticPressure(HP)DecreaseWhenPOOHInnerCapacityofopenhole,insidecylindricalobjectsLeakOffTest(LOT)PressureandForce...
Mileage calculation Fuel economy number or Mileage is a measure of efficiency of your vehicle that tells you the distance you can cover for a unit of gas. It is useful for estimating expense of your travel or trip. You can easily find this number by dividing distance covered with the amount...
The transportation industry is one of the three greenhouse gas emission sources; therefore, the development of low-carbon transportation is imperative. This work compares commonly used carbon emission measurement methods and chooses a mileage method to classify the carbon emissions of conventional buses ...
By 2013, 21 fractured sections in one well had been achieved in the Changqing Oilfield in China, in which tight gas accounts for 70~80% of the total gas [17]. Multi-stage acidizing technology and fracturing technology are commonly used in low-permeability reservoirs [18]. The open-hole ...
The results can be used as a theoretical basis to guide the carbothermal reduction process of copper slag. Keywords: copper slag; activity of FeO; calculation model for activity 1. Introduction In the last 50 years, copper consumption has tripled because of rapid industrial development [1]. ...