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At least 127 records · Page 7

Lectures on gravitation and relativity, volume 2

These notes were taken from a series of seminars on Gravitation and Relativity presented at the Institute for Space Studies, NASA Goddard Space Flight Center during the academic year 1961-1962. Professor R. H. Dicke of Princeton University organized the series as an introduction to the subject for non-experts, emphasizing the observable implications of the theory and the potential contribution the space sciences may make towards a better understanding of general relativity.

R. H. Dicke↗

The earth and the moon /Harold Jeffreys Lecture/.

The internal structures of the earth and the moon are compared in the light of the latest extensive data on the earth structure, mobility of the earth outer layers, and the properties of lunar crust. The Monte Carlo method is applied to develop an earth model by a stepwise process beginning with a random distribution of two elastic velocities and the density as a function of de pth. Lunar seismic, magnetic, and rock analysis data are used to infer the properties of the moon. The marked planetological contrast between the earth and the moon is shown to consist in that the earth is highly differentiated and still undergoes a large-scale differentiation, while the moon has lost its volatiles in its early history and has a cold dynamically inactive shell which has been without basic changes for three billion years.

Press, F.↗

An Analysis of Airline Costs. Lecture Notes for MIT Courses. 16.73 Airline Management and Marketing

The cost analyst must understand the operations of the airline and how the activities of the airline are measured, as well as how the costs are incurred and recorded. The data source is usually a cost accounting process. This provides data on the cumulated expenses in various categories over a time period like a quarter, or year, and must be correlated by the analyst with cumulated measures of airline activity which seem to be causing this expense.

Simpson, R. W.↗

Technology for design of transport aircraft. Lecture notes for MIT courses: Seminar 1.61 freshman seminar in air transportation and graduate course 1.201, transportation systems analysis

The design parameters which determine cruise performance for a conventional subsonic jet transport are discussed. It is assumed that the aircraft burns climb fuel to reach cruising altitude and that aeronautical technology determines the ability to carry a given payload at cruising altitude. It is shown that different sizes of transport aircraft are needed to provide the cost optimal vehicle for different given payload-range objectives.

Simpson, R. W.↗

Advanced technology and the Space Shuttle /10th Von Karman Lecture/.

Selected topics in technology advancement related to the space shuttle are examined. Contributions from long-range research prior to the advent of the 'shuttle-focused technology program' of the past 3 years are considered together with highlights from the latter. Attention is confined to three of the shuttle's seven principal technology areas: aerothermodynamics/configurations, dynamics/aeroelasticity, and structures/materials. Some observations are presented on the shuttle's origin, the need to sustain advanced research, and future systems that could emerge from a combination of shuttle and non-shuttle technology advancements.

Love, E. S.↗

Systems concepts: Lectures on contemporary approaches to systems.

Collection of papers dealing with the application of systems concepts to a wide range of disciplines. The topics include systems definitions and designs, models for systems engineering, the evolution of the JPL, systems concepts in lunar and planetary projects, civil systems projects, and Apollo program evaluation. Individual items are announced in this issue.

Miles, R. F., Jr.↗

Fracture mechanics /Dryden Lecture/

A historical outline of the engineering discipline of fracture mechanics is presented, and current analytical procedures are summarized. The current status of the discipline is assessed, and engineering applications are discussed, along with recommended directions for future study.

Hardrath, H. F.↗