Advances in Fusion and Processing of Glass III, Volume 141

Glass remains to be a cloth of serious clinical and technological curiosity; although, the commercial pressures at the glass undefined, the emphasis on international markets, and the global awareness to power and environmental conservation proceed to extend. Forty-seven papers provide new options to the demanding situations of glass production, really as they pertain to melting and forming.Content:

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For real raw materials, the standard enthalpy of each individual raw material i has to be assessed from its chemical composition in analogy to Equation (8), however, without using the term HkVlt. Thus, the cumulative standard enthalpy of the batch H°(batch) is obtained. The contribution H°(gas) is determined in a straightforward way from the batch gas composition. Finally, as verified by a comparison with experiments [3, 8], ¿H°chem = H°(gl) + H°(gas) - H°(batch) (9) gives a surprisingly accurate account of the chemical heat demand.

54 lit. 16 lit. 55, 56 lit. 57 lit. 58 lit. 661013· EXP(-271200/Rg-T) lit. 7- EXP(-42000/ Rg -T) lit. 46 [Fe2+]-p021/4/[Fe3+] = 2788- EXP(-103000/ Rg T) lit. 05 mole/m3 (10-25 % lower concentration after helium bubbling) Water in case of air-natural-gas firing: 40 mole/m3 Without preconditioning of melt with helium: 0 mole He/m3 melt Argon concentration* is not taken into account. C. Beerkens, "The role of gases in glass melting processes," Glastech. Ber. Glass Sei. TechnoL, 68 (1995), no. 5, pp.

Wiegand and E. Neubauer: "Five years of operational experience with the SORG LoNOx® Melter," Glastech. Ber. Glass Sei. , 68 (1995) nr. 2, pp. 73 Advances in Fusion and Processing of Glass III 31 22 F. Krüger: "Über die Entgasung von Glasschmelzen durch Schallwellen," Glastech. , 16 (1938) nr. 7, pp. 233-236 23 C. Eden: "Ultraschall-Entgasung von Glasschmelzen im Hochfrequenzinduktionsofen," Glastech. Ben, 25 (1952) nr. 3, pp. A. : "Fundamental Physics of Ultrasound. 3: Steady forces acting on suspended particles in an ultrasonic field," Gordon & Breach Science Publishers, London (1988) pp.

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