Critical Point The point on a P-H Diagram where the saturated liquid and saturated vapor lines meet. Above the critical point, condensation cannot occur. Density (d) The mass of a substance divided by the volume that substance occupies. It is measured in pounds per cubic foot (lb/ft³)...
H.M. Chang et al. Effect of multi-stream heat exchanger on performance of natural gas liquefaction with mixed refrigerant Cryogenics (2012) B.-Z. Maytal et al. Elevated-pressure mixed-coolants Joule-Thomson cryocooling Cryogenics (2006) P.M. Ardhapurkar et al. Experimental investigation on ...
(EVOP) transducer 88 which inputs to the microprocessor 70 a variable voltage according to the outlet pressure of the refrigerant heat absorption heat exchanger 42; a direct current sensor 90 and alternating current sensor 92 (CT1 and CT2, respectively), which input to the microprocessor 70 a...
Bell, I.H.; Domanski, P.A.; McLinden, M.O.; Linteris, G.T. The hunt for nonflammable refrigerant blends to replace R-134a. Int. J. Refrig. 2019, 104, 484–495. [Google Scholar] [CrossRef] [PubMed] ANSI/ASHRAE Addendum f to ANSI/ASHRAE Standard 34-2019. 2019. [Online]. Ava...
H′ Modified fin length (m) hlv Latent heat of vaporization (J/kg) L Test section length (m) Lheat Heating length (m) L′heat Modified heating length (m) m Fin parameter (–) n Data point number p Pressure (Pa) P Cross-sectional perimeter of fin (m) pr Reduced pressure (–) q...
h The enthalpy (kJ kg−1) hFhF Convection heat transfer coefficient of the heat transfer fluid ieff Rate of interest k Specific heat ratio (Cp/Cv) IG The solar direct radiation (kW/m2) M Mach number m˙m˙ Mass flow rate (kg s−1) n Lifetime plant P Pressure Q Heat quantity ...