Michael E. Mackay

Print publication date: 2015

Print ISBN-13: 9780199652105

Published to Oxford Scholarship Online: August 2015

DOI: 10.1093/acprof:oso/9780199652105.001.0001

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(p.217) B Physical Properties

Source:
Solar Energy
Publisher:
Oxford University Press

(p.218)

Fig. B.1 Various properties of liquid water including: viscosity (μ‎, ●), density (ρ‎, ∘), heat capacity (Cp, $■$), thermal conductivity (k, $□$), a group of parameters used in the calculation of the Rayleigh number ($Ra=[gχρ2Cp/kμ]ΔTL3≡CRaΔTL3$, see the text for the definition of the parameters used to determine $CRa$, $▲$) and the Prandtl number (Pr, $Δ$). The dimensions for each parameter are given in the equation and their magnitude on the graph can be ascertained by putting 0 °C in the equation. All the equations in the graph have the temperature T in °C.

Data are from J. R. Welty et al., ‘Fundamentals of momentum, heat and mass transfer,’ Third Edition, John Wiley & Sons (1984).

(p.219)

Fig. B.2 Various properties of air including: viscosity (μ‎, ●), density (ρ‎, ∘), heat capacity (Cp, $▲$), thermal conductivity (k, $Δ$), a group of parameters used in the calculation of the Rayleigh number ($Ra=[gχρ2Cp/kμ]ΔTL3≡CRaΔTL3$, see the text for the definition of the parameters used to determine $CRa$, $■$) and the Prandtl number (Pr, $□$). The dimensions for each parameter are given in the equation and their magnitude on the graph can be ascertained by putting 0 °C in the equation. All the equations in the graph have the temperature T in °C.

Data are from J. R. Welty et al., ‘Fundamentals of momentum, heat and mass transfer,’ Third Edition, John Wiley & Sons (1984).

(p.220)

Fig. B.3 Various properties of Therminol VP-1 including: viscosity (μ‎, ●), density (ρ‎, ∘), heat capacity (Cp, $▲$), thermal conductivity (k, $Δ$), specific enthalpy ($Hˆ$, $■$) and the Prandtl number (Pr, $□$). The dimensions for each parameter are given in the equation and the temperature T is in °C. The symbols are data given by Solutia Inc. while the lines represent the correlations to the data.

Data are from the Dow Chemical Company.

(p.221)

Fig. B.4 Pressure–enthalpy (Mollier) diagram for water. Thick lines are isotherms (T, constant temperature) and thin lines, isentropes (S, constant entropy). The lines labeled %10, etc. are lines of constant quality which is a constant amount of gaseous water (vapor). The critical point is shown at the apex of the vapor–liquid envelope.

Data are from International Association for the Properties of Water and Steam.

(p.222)

Fig. B.5 Pressure–enthalpy (Mollier) diagram for n-Pentane. Thick lines are isotherms (T, constant temperature) and thin lines, isentropes (S, constant entropy). The critical point is shown at the apex of the vapor–liquid envelope.

Data are from Starling et al., ‘Geothermal binary-cycle working-fluid properties information,’ DOE Report # DOE/ID/01719–4.