This paper presents a computational study of the separated flow in a planer asymmetric diffuser. The steady RANS equations for turbulent incompressible fluid flow and six turbulence closures are used in the present study. The commercial software code, FLUENT 6.3.26, was used for solving the set of governing equations using various turbulence models. Five of the used turbulence models are availa...

In this paper, we identify higher-order differential and zero-sum properties in the full Keccak-f permutation, in the Luffa v1 hash function, and in components of the Luffa v2 algorithm. These structural properties rely on a new bound on the degree of iterated permutations with a nonlinear layer composed of parallel applications of smaller balanced Sboxes. These techniques yield zero-sum partit...

Fuel expenses, diesel exhaust health externalities, and climate change are concerns that encourage the use of electric vehicles. Vehicle-to-grid (V2G) policies provide additional economic incentives. This analysis evaluates the costs and benefits associated with the use of electric vehicles and determines the cost effectiveness of using a V2G-capable electric school bus compared to a traditiona...

The KdV equation can be considered as a special case of the general equation ut + f(u)x − δg(uxx)x = 0, δ > 0, (0.1) where f is non-linear and g is linear, namely f(u) = u/2 and g(v) = v. As the parameter δ tends to 0, the dispersive behavior of the KdV equation has been throughly investigated (see, e.g., [11], [6], [2] and the references therein). We show through numerical evidence that a comp...

The human vasopressin V2 receptor belongs to the large family of G-protein-coupled receptors, which possess seven transmembrane helices, an extracellular N terminus and an intracellular C terminus. We have determined the sequence requirements of the V2 receptor for membrane insertion and correct topology for the inner membrane of Escherichia coli with the PhoA/LacZ gene fusion system. In additi...

A graph G is arbitrarily partitionable if every sequence (n1, n2, ..., np) of positive integers summing up to |V (G)| is realizable in G, i.e. there exists a partition (V1, V2, ..., Vp) of V (G) such that Vi induces a connected subgraph of G on ni vertices for every i ∈ {1, 2, ..., p}. Given a family F(n) of graphs with order n ≥ 1, a kernel of sequences for F(n) is a set KF (n) of sequences su...

Let S be a finite set. Let k be a positive integer. Let A be a subset of Sk satisfying |A| = |S|k−1. Let B = Sk \ A. For every v ∈ Sk and every i ∈ {1, 2, . . . , k}, we denote by vi the i-th component of the k-tuple v (remember that v is an element of Sk, that is, a k-tuple of elements of S). Then, every v ∈ Sk satisfies v = (v1, v2, . . . , vk). Let F be the set of all pairs (a, b) ∈ A × B fo...

The concept of balanced decomposition number was introduced by Fujita and Nakamigawa in connection with a simultaneous transfer problem. A balanced colouring of a graph G is a pair (R,B) of disjoint subsets R,B ⊆ V (G) with |R| = |B|. A balanced decomposition D of a balanced colouring C = (R,B) of G is a partition of vertices V (G) = V1 ∪ V2 ∪ . . . ∪ Vr such that G[Vi] is connected and |Vi ∩R|...

the antidiuretic effect of arginine vasopressin (avp) is mediated by the vasopressin v2 receptor. the docking study of avp as a ligand to v2 receptor helps in identifying important amino acid residues that might be involved in avp binding for predicting the lowest free energy state of the protein complex. whereas previous researchers were not able to detect the exact site of the ligand-receptor...