Steady-state flow, where external heat exchange compensates for pressure-related cooling However, for systems where temperature changes significantly due to rapid compression or expansion, an adiabatic flow mode
Gas flow in micro-porous media is more complex than liquid flow, partially because of the gas compressibility storage effect, and because of that, permeability as a function describing the flow efficiency for liquid might not apply to gas, but gas pressure diffusivity concept taking into account ...
This form of flow equation considers the compressibility of the gas which can be described by an equation of state (i.e. ρ = f(P, T)) such as Peng–Robinson used by Henderson et al. (2005). They also considered the relationship among gas viscosity, pressure, and temperature using an...
Equations describing the affect of cohesion on standpipe flow and a model predicting the onset of void formation are presented. This work also develops the relationship between the standpipe slope angle and the ratio of the solid-contact pressure against the standpipe wall to the solid-contact ...
(A2)). Furthermore, the model of Wen and Yu [44] is commonly considered to be valid in dilute and moderately dense gas–solid flows only [74]. In more dense situations, usually the correlation of Ergun [43] is applied, which has been derived from pressure drop measurements. Several ...
However, the model predicts the state variables only at the particular (trained) ambient temperature and pressure, as variations of ambient temperature and pressure are not considered in the training of DeepONet. The model also does not predict the parameters of the engine model. While the model...
Gas hydrates–crystalline compounds formed under high pressure and low temperature13—are inferred from geophysical data in marine sediments on the inside corner of a ridge transform intersection in the Fram Strait14,15. Johnson et al.14and Waghorn et al.15observe a close relationship between ...
6.4 Effects of gas flowrate The gas flow rate plays an important role in providing the O2 required for the oxy-fuel combustion process. It is also noteworthy that in CFBs, the gas flowrate that facilitates effective fluidizing can eliminate hot spots, reduce pressure fluctuation, and avoid ag...
The gas temperature is normally similar to the temperature of the plasma container, but depends on the gas pressure and flow rate [44]. This can be very important for the hollow cathode since this is often effectively the gas container and the ion flux can make the cathode temperature very ...
(kPa) are the air temperature and pressure in the chamber at the sampling time,P0(kPa) is the standard air pressure,H(m) is the height of chamber,dc/dt(ppm min–1) is the slope of the linear regression curve for the change of headspace gas concentrations during times of chamber ...