Marto, P. J. & Lepere, V. J. Pool Boiling Heat-Transfer from Enhanced Surfaces to Dielectric Fluids. Journal of Heat Transfer-Transactions of the Asme 104, 292–299 (1982).
Experimental results for (a) heat flux and (b) heat transfer coefficient as a function of wall superheat temperature. Increased performance is seen for five of the six bi-conductive surfaces, corresponding to those with wavelengths of P = 1.2–3.7 mm. A decrease in performance is seen for the P = 0.96 mm design.
If you’re still in contact with them please tell them we’re very appreciative of their openness with their customers.”
These predictions show that as the wavelength of the variations in superheat, P, approaches the departure diameter of the bubbles, a resonance-like effect is seen leading to substantial increases in both HTC and CHF. Interestingly, Fig. 5b shows that this resonance-like enhancement in heat transfer is seen at the same wavelength for all phases of boiling. At a common wall superheat of ΔT = 11 K, the heat transfer rates of the various surfaces range from 40–230 W/cm−2 (Fig. 3a). This corresponds to a greater than 5x difference in vapor production rates between the highest and lowest performing surfaces. At a common heat flux of 91 W/cm−2, the required wall superheat more than doubles across the surfaces tested, varying from 9 K to 19 K. At CHF, each surface is operating at distinctly different heat fluxes (from 91 to 230 W/cm−2) and wall superheats (from 11 to 19 K). Yet in all three cases, the maximum HTC is observed for bi-conductive surfaces where the pitch between epoxy divisions, P, is equal to the capillary length, λC.
Why hasn’t anyone thought of combining the two? Accessory-maker Moshi has heeded the call with its iGlaze Ion battery case for the iPhone 6 and 6s.
The Range Rover Velar is one of the first applications for the new Jaguar Land Rover 2.0-liter four-cylinder Ingenium gasoline engine which is designed to offer smooth, refined performance. Technologies including an integrated exhaust manifold, 200bar direct injection system and a twin-scroll turbocharger are key to the engine’s responsiveness.
Meyers decided to restore and feature the elements across the space. They now sit on the second floor, little clues to the building’s former life.
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Features: A tranquil waterfall and vibrant landscaping highlight the gorgeous 1.10-acre setting of this exceptional four-bedroom colonial. Features include a living room with artist window, family room, formal dining room, beautiful kitchen, luxurious master suite with fireplace, sitting area and spa-like bath, plus a screened porch, deck and lower level rec room.
As always, your particular application will make the ability to pass some of those tests either vital or meaningless. Xplore provides more, and more thorough, ruggedness testing specs than most, so anyone interested in the XSLATE L10 should examine them closely and also check with Xplore for additional test results.
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