Index Catalog // ScholarsArchive@OSU

Effects of selected minor alloying additions on the structure deformation characteristics of beryllium

Creator:: Dooley, George Joseph, III
Abstract:: Solid solution alloying was employed in an attempt to produce some relatively ductile form of beryllium. If the c/a ratio could be significantly altered, it was felt new or different slip systems could be activated. The following elements were selected on the basis of atomic size, melting point, crystal structure...
Resource Type:: Dissertation

Solution of unsteady, two-dimensional, inviscid flows

Creator:: Kuo, Ying-Ming
Abstract:: The general theory of characteristics is reviewed for hyperbolic partial differential equations of n independent variables. The application of the theory of characteristics is made to unsteady, two-dimensional, rotational, inviscid flows; unsteady, two-dimensional, irrotational, inviscid flows; and unsteady, axial symmetric, inviscid flows. The characteristic surfaces and the compatibility relations are...
Resource Type:: Masters Thesis

The effect of small amounts of magnesium on the superplastic behavior of an aluminum-zinc alloy

Creator:: Abbott, Vaughn William
Abstract:: The base Al-Zn superplastic alloy was investigated at 250°C to determine the effect of small amounts of magnesium on mechanical properties. Six alloys of nominal composition 0.00, 0.10, 0.25, 0.50, 0.75, and 1.00 weight percent magnesium, constant 78 weight percent zinc, and variable 21 to 22 weight percent aluminum were...
Resource Type:: Masters Thesis

An explicit finite-difference solution for natural convection in air in rectangular enclosures

Creator:: Pagnani, Bruno Richard
Resource Type:: Dissertation

An experimental study of the acoustical characteristics of dampers in air conditioning systems

Creator:: Yun, Kyung Woo
Abstract:: The noise problem in air conditioning systems is receiving ever increasing attention because of the importance of noise on a comfortable human environment. Some work has been done on the solutions to the noise problem by an investigation of a few system elements. The acourstical characteristics of dampers become more...
Resource Type:: Masters Thesis

A model of ciliary streaming in the respiratory system

Creator:: Chambers, Alan B.
Abstract:: The respiratory tract is lined with a mucous blanket which is motivated by a ciliated epithelium. This blanket includes a lower serous layer of fluid through which the cilia beat and an upper viscid layer into which particulates from the inhaled air are deposited. The movement of the mucous blanket...
Resource Type:: Dissertation

Computer and heating and air conditioning

Creator:: Hafez, Ghassan M. Ihsan
Abstract:: The repetitious nature of air conditioning calculation leads to arithmetic errors and a high cost of designing air conditioning systems. Short cut calculations are employed to limit the calculation and the chance of making errors. Computers with their high speed of calculation and the ability to make limited "logic's decisions...
Resource Type:: Masters Thesis

The phase diagram of zirconium and chromium with special reference to the transformation in the intermetalic compound ZrCr₂

Creator:: Shen, Yuan-shou
Abstract:: The zirconium-chromium phase diagram was investigated in the region between 40% and 85% chromium. The ZrCr₂ intermetallic compound which has been the source of some controversy was especially considered. It was found that ZrCr₂ transforms from the low temperature C-15 (MgCu₂, FCC) structure to the high temperature C-14 (MgZn₂, HCP)...
Resource Type:: Dissertation

Effect of initial conditions on the convergence rate of the energy equation in Couette flow

Creator:: Seddigh, Foad
Abstract:: Computers are very efficient in handling the problems which deal with iteration. Numerical treatment of the unsteady energy equation is one sort of iteration. The convergence of the unsteady film coefficient, in two dimensional space, to its steady state value has been deduced by comparison of the results of the...
Resource Type:: Masters Thesis

An experimental study of natural convection in air between a vertical isothermal flat plate and a parallel insulted flat plate

Creator:: Lee, Soon Mo
Abstract:: The free convective heat transfer phenomena in air between two vertical plates 24 by 38 inches spaced 15.895 mm apart, was investigated in this experimental study. One plate was isothermal and, the other adiabatic. A quartz fiber anomometer was used for measuring local velocities in the air between the vertical...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Effects of selected minor alloying additions on the structure deformation characteristics of beryllium

Solution of unsteady, two-dimensional, inviscid flows

The effect of small amounts of magnesium on the superplastic behavior of an aluminum-zinc alloy

An explicit finite-difference solution for natural convection in air in rectangular enclosures

An experimental study of the acoustical characteristics of dampers in air conditioning systems

A model of ciliary streaming in the respiratory system

Computer and heating and air conditioning

The phase diagram of zirconium and chromium with special reference to the transformation in the intermetalic compound ZrCr₂

Effect of initial conditions on the convergence rate of the energy equation in Couette flow

An experimental study of natural convection in air between a vertical isothermal flat plate and a parallel insulted flat plate

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