Exact(7)
Distilled water was used as a reference fluid in the static tests at 80 130 °C.
Ethane was chosen as a reference fluid and the experimental database comprises 3163 points from 37 substances (polar, non-polar and hydrogen-bonding ones).
A reference fluid catalytic cracking (FCC) spent catalyst was used as a representative example of the deactivated catalyst for the combustion runs, pre-used in the cracking of a vacuum gas oil at 773 K and 3 s.
The instrument works in the so-called isoperibol regime, where the fluid sample flowing through the cell is heated by an electrical heater and the power necessary to provide a constant temperature rise is measured relative to that for a reference fluid (water).
As an example, experimental equilibria of CO at molecular sieve 5A are fitted to a hyperbolic energy distribution using four physical parameters: the reference loading, a reference fluid phase pressure φ(Θ= 12,Tref), the mean value and the standard deviation of the adsorption energy level distribution.
In this approach, the properties of a fluid are obtained by expanding about the same properties of a reference fluid.
Similar(53)
Depending on the target fluid and the availability of a suitable reference fluid, the method may use as many as five reference fluids but usually uses three or less.
Using a well known reference fluid, or fluids, and the above minimum data set for a target fluid, (the fluid for which properties are desired), thermodynamic and transport properties may be estimated over a wide range of pressure and temperature.
Nevertheless, the main motivation for the present work is to propose TOTM as a plausible candidate for an industrial viscosity reference fluid for high viscosity, high pressure and high temperature.
Four computations including a reference adiabatic fluid only simulation, Conjugate Heat Transfer, Radiation-Fluid Thermal Interaction and fully coupled simulations are performed and compared with thermocolor experimental data.
Open image in new window Fig. 1 T-History curves of a PCM without supercooling b PCM with supercooling c reference fluid.
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