A finite Reynolds number approach for the prediction of boundary layer receptivity in localized regions

Previous theoretical work on the boundary layer receptivity problem has utilized large Reynolds number asymptotic theories, thus being limited to a narrow part of the frequency - Reynolds number domain. An alternative approach is presented for the prediction of localized instability generation which has a general applicability, and also accounts for finite Reynolds number effects. This approach is illustrated for the case of Tollmien-Schlichting wave generation in a Blasius boundary layer due to the interaction of a free stream acoustic wave with a region of short scale variation in the surface boundary condition. The specific types of wall inhomogeneities studied are: regions of short scale variations in wall suction, wall admittance, and wall geometry (roughness). Extensive comparison is made between the results of the finite Reynolds number approach and previous asymptotic predictions, which also suggests an alternative way of using the latter at Reynolds numbers of interest in practice

The Last Word: Reality into Fiction - 1984

Television programming In the United States is transforming our society. Unaware of its incursions, Americans literally “buy into” dramatized patterns of behavior. From the evening news to advertising to prime-time drama like “Dynasty” or “Matt Houston” the distinctions between reality and fiction are blurred if not obliterated. Drama becomes reality; reality, e.g., the news, becomes drama. Contemporary American television posits a world view impacting on interpersonal interactions, family structure, cultural transmission, political decision-making, war and what it means “to know.

Water Quality as a Land Use Determinant for the Bear Lake Valley, Utah-Idaho

The goal of this research has been to prove that changes in water quality resulting from changes in land use could result in a threatened decrease in economic utility of land uses in the Bear Lake Valley. The purpose of this research was to illustrate a process for determining land use and water quality relationships in the Bear Lake Valley that utilized quantified data and projective models. The first phase of the research estimated the changes in land uses and demographics for the valley. The second phase of research utilized the results from the first phase together with models predicting changes in water quality developed from the literature, to predict water quality changes. Other necessary data required for the models was obtained from an extensive inventory of existing data and literature from state, federal, and local sources. The results from the second phase were then compared to state and federal water quality standards to estimate if the changes in water quality threaten

Rule 68: Erie Go Again - Costs, Attorneys\u27 Fees, and Plaintiffs\u27 Offers - Substance or Procedure

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Designing protein β-sheet surfaces by Z-score optimization

Studies of lattice models of proteins have suggested that the appropriate energy expression for protein design may include nonthermodynamic terms to accommodate negative design concerns. One method, developed in lattice model studies, maximizes a quantity known as the "Z-score," which compares the lowest energy sequence whose ground state structure is the target structure to an ensemble of random sequences. Here we show that, in certain circumstances, the technique can be applied to real proteins. The resulting energy expression is used to design the β-sheet surfaces of two real proteins. We find experimentally that the designed proteins are stable and well folded, and in one case is even more thermostable than the wild type

Optimal stated preference choice experiments when all choice sets contain a specific option

Stated preference choice experiments are routinely used in many areas from marketing to medicine. While results on the optimal choice sets to present for the forced choice setting have been determined in a variety of situations, no results have appeared to date on the optimal choice sets to use when either all choice sets are to contain a common base alternative or when all choice sets contain a "none of these" option. These problems are considered in this paper. © 2004 Elsevier B.V. All rights reserved