High Temperature Vapors: Science and TechnologyHigh Temperature Vapors: Science and Technology focuses on the relationship of the basic science of high-temperature vapors to some areas of discernible practical importance in modern science and technology. The major high-temperature problem areas selected for discussion include chemical vapor transport and deposition; the vapor phase aspects of corrosion, combustion, and energy systems; and extraterrestrial high-temperature species. This book is comprised of seven chapters and begins with an introduction to the nature of the high-temperature vapor state, the scope and literature of high-temperature vapor-phase chemistry, and the role of high-temperature vapors in materials science. The discussion then turns to gas-solid reactions with vapor products; chemical vapor transport and deposition; vapor-phase aspects of corrosion at high temperature; and flames and combustion. High-temperature vapor-phase processes associated with gas turbine systems are also considered. The final chapter is devoted to the chemistry of high-temperature species in space. This monograph should serve as a valuable reference for undergraduate and graduate students, as well as scientists in fields such as chemistry, physics, materials science, and metallurgy. |
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Page 11
... kcal mol-l. This is the energy to produce in free space the ions Na+ and (31 ... 1 ; that is, ZnO is a relatively unstable vapor species. The crystalline ... one can infer the electronic structure of certain atoms from condensed—phase ...
... kcal mol-l. This is the energy to produce in free space the ions Na+ and (31 ... 1 ; that is, ZnO is a relatively unstable vapor species. The crystalline ... one can infer the electronic structure of certain atoms from condensed—phase ...
Page 17
... kcal mol“, AS = —36.6 cal deg-1 mol—l, and at 1000 K AH = —27.5 kcal mol-l, AS = —31.9 cal deg“1 mol—l. One should note from the relationships among Kp, AF,, AH,, and AS, that the most favorable reaction conditions are determined by V ...
... kcal mol“, AS = —36.6 cal deg-1 mol—l, and at 1000 K AH = —27.5 kcal mol-l, AS = —31.9 cal deg“1 mol—l. One should note from the relationships among Kp, AF,, AH,, and AS, that the most favorable reaction conditions are determined by V ...
Page 20
... kcal mol'1 and for CuH is about 66 kcal mol-l. Hence, if a system containing just these species was subjected to a dissociating force, such as may be provided by high energy electron impact or by a shock wave, one could expect CuH to ...
... kcal mol'1 and for CuH is about 66 kcal mol-l. Hence, if a system containing just these species was subjected to a dissociating force, such as may be provided by high energy electron impact or by a shock wave, one could expect CuH to ...
Page 21
... kcal mol-l, and CuH + H; = CuH + H2 AH, = 0 kcal moi-1. As AS, can be neglected in these cases, then AF, is mainly determined by the magnitude of AH, from which it follows that the equilibrium constant for the first reaction is large ...
... kcal mol-l, and CuH + H; = CuH + H2 AH, = 0 kcal moi-1. As AS, can be neglected in these cases, then AF, is mainly determined by the magnitude of AH, from which it follows that the equilibrium constant for the first reaction is large ...
Page 25
... kcal mol-1 are quite common and, in this case, temperatures of about 1000 K are sufficiently high to give reasonably rapid reaction rates. It is interesting to note that both equilibrium constants and rate constants vary exponentially ...
... kcal mol-1 are quite common and, in this case, temperatures of about 1000 K are sufficiently high to give reasonably rapid reaction rates. It is interesting to note that both equilibrium constants and rate constants vary exponentially ...
Contents
1 | |
37 | |
Chapter 3 Chemical Vapor Transport and Deposition | 91 |
Chapter 4 VaporPhase Aspects of Corrosion at High Temperature | 212 |
Chapter 5 Combustion | 226 |
Chapter 6 Energy Systems | 386 |
Chapter 7 Chemistry of High Temperature Species in Space | 427 |
References | 437 |
Index | 473 |
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addition alkali metal atoms basic bond dissociation energies bond energies Bulewicz calculated Chapter Chem chemical kinetic chemical reaction chemistry chloride coefficient combustion complex components composition concentration condensed considered corrosion defined determined discussion dissociation energies effect electron emission endothermic enthalpy entropy equilibrium constant example experimental fire flame flow fluorides flux formation free energy fuel gas—solid gases given H-atom halogen heat Hence high temperature species high temperature vapors hydroxide indicated inhibition inhibitor interaction involving ionization ions kcal kcal mol-1 kinetic mass spectrometric materials metal halide metal oxide mole mole fraction molecular species NaCl observed oxide oxygen Padley partial pressure phase plasma premixed present profiles radical reactants reaction rates reaction zone reactor recent recombination reduced region relatively rocket Section significant solid solubility specific spectroscopic stability sufficiently Sugden surface Table techniques thermal thermodynamic thermodynamic equilibrium tion vapor deposition vapor species vapor-phase volatile