WorldCat Identities

Houbolt, John C.

Overview
Works: 58 works in 124 publications in 1 language and 300 library holdings
Classifications: TL574.P7, 629.1325
Publication Timeline
Key
Publications about  John C Houbolt Publications about John C Houbolt
Publications by  John C Houbolt Publications by John C Houbolt
Most widely held works about John C Houbolt
 
Most widely held works by John C Houbolt
A study of several aerothermoelastic problems of aircraft structures in high-speed flight by John C Houbolt ( Book )
3 editions published in 1958 in English and held by 44 WorldCat member libraries worldwide
Survey on effect of surface winds on aircraft design and operation and recommendations for needed wind research by John C Houbolt ( Book )
3 editions published in 1973 in English and held by 28 WorldCat member libraries worldwide
Dynamic response of airplanes to atmospheric turbulence including flight data on input and response by John C Houbolt ( Book )
4 editions published in 1964 in English and held by 21 WorldCat member libraries worldwide
Determination of the required number of randomly spaced communication satellites. by Floyd V Bennett ( Book )
4 editions published in 1961 in English and held by 20 WorldCat member libraries worldwide
An investigation has been made f o r determining the minimum number of passive satellites i n near-earth orbits required t o provide given percentages of communication time between two selected ground stations. The study is limited to the geometrical and probability aspects of the problem. An application of the analysis i s made f o r an assumed transatlantic communication system. The satellites are considered t o be i n circular, randomly spaced orbits with fixed inclination and altitude considered range from 1,000 t o 3,000 statute miles
Some landing studies pertinent to glider-reentry vehicles by John C Houbolt ( Book )
3 editions published in 1960 in English and held by 19 WorldCat member libraries worldwide
"Results are presented of some landing studies that may serve as guidelines in the consideration of landing problems of glider-reentry configurations. The effect of the initial conditions of sinking velocity, angle of attack, and pitch rate on impact severity and the effect of locating the rear gear in various positions are discussed. Some information is included regarding the influence of landing-gear location on effective masses. Preliminary experimental results on the slideout phase of landing include sliding and rolling friction coefficients that have been determined from tests of various skids and all-metal wheels."
Communication probabilities for orderly-spaced satellites by John C Houbolt ( Book )
3 editions published in 1965 in English and held by 18 WorldCat member libraries worldwide
Cross-spectral functions based on von Karman's spectral equation by John C Houbolt ( Book )
3 editions published in 1972 in English and held by 12 WorldCat member libraries worldwide
Cross-spectral functions for the vertical and longitudinal components of turbulence of a two-dimensional gust field are derived from the point correlation function for turbulence due to von Karman. Closed form solutions in terms of Bessel functions of order 5/6 and 11/6 are found. An asymptotic expression for large values of the frequency argument, and series results for small values of frequency, are also given. These results now form the base for studying the effect of spanwise variations in turbulence for a turbulence environment which is characterized by the von Karman isotropic spectral relations. Previous studies were based mainly on the Dryden-type spectral representation
Differential equations of motion for combined flapwise bending, chordwise bending, and torsion of twisted nonuniform rotor blades by John C Houbolt ( Book )
7 editions published between 1957 and 1958 in English and held by 10 WorldCat member libraries worldwide
The differential equations of motion for the lateral and torsional deformations of twisted rotating beams are developed for application to helicopter rotor and propeller blades. No assumption is made regarding the coincidence of the neutral, elastic, and mass axes, and the generality is such that previous theories involving various simplifications are contained as subcases to the theory developed and presented in this paper. Special attention is given to coupling terms not found in previous theories, and methods of solution of the equations of motion are indicated by selected examples
Manual on the flight of flexible aircraft in turbulence = Manuel sur le vol des avions non-rigides en milieu turbulent by North Atlantic Treaty Organization ( Book )
5 editions published between 1989 and 1991 in English and held by 9 WorldCat member libraries worldwide
The study of atmospheric turbulence and its influence on aircraft operation and design has been of concern almost continuously since the inception of AGARD. The past few years have seen a heightened interest in the turbulence or gust problem, particularly on analysis or reduction of turbulent encounter data, and on design procedures. The present publication constitutes a review document in which is distilled the experience of specialists from amongst the aircraft manufacturing nations of NATO. It is aimed at those in design offices concerned with the problems of turbulences and resultant loads. This compendium is divided into two parts; the first deals with data collection and analysis, the second with certification procedures and analysis of airplane response. Measurement of atmospheric turbulence; Acquisition of statistical gust load data by commercial airplanes; Improved reduction of gust loads data for gust intensity; Certification Procedures and Requirements; Gust design procedures; Analysis by the statistical discrete gust method
A recurrence matrix solution for the dynamic response of aircraft in gusts by John C Houbolt ( Book )
5 editions published between 1950 and 1951 in English and held by 8 WorldCat member libraries worldwide
Through the use of difference equations and matrix notation a systematic procedure is developed for the calculation of the structural response of an aircraft flying through a gust. The method takes into account wing bending and twisting flexibilities, fuselage flexibility, vertical and pitching motion of the airplane, and some tail forces. Strip theory is used, but approximate three-dimensional and compressibility corrections can be made without difficulty. Either sharp-edge or arbitrary gusts may be treated
Critical combinations of shear and transverse direct stress for an infinitely long flat plate with edges elastically restrained against rotation by S. B Batdorf ( Book )
6 editions published between 1945 and 1946 in English and held by 8 WorldCat member libraries worldwide
An exact solution and a closely concurring approximate energy solution are given for the buckling of an infinitely long flat plate under combined shear and transverse direct stress with edges elastically restrained against rotation. It was found that an appreciable fraction of the critical stress in pure shear may be applied to the plate without any reduction in the transverse compressive stress necessary to produce buckling. An interaction formula in general use was shown to be decidedly conservative for the range in which it is supposed to apply
Recommended procedures for processing acceleration data obtained by aircraft during atmospheric turbulence encounter by John C Houbolt ( Book )
3 editions published in 1975 in English and held by 5 WorldCat member libraries worldwide
AGARD Report No. 586, 'A Summary of Atmospheric Turbulence Recorded by NATO Aircraft' is critiqued. Recommendations are made regarding processing of vertical acceleration data so as to provide useful structural design information. Specific procedures for data reduction are recommended and charts and steps for such data are provided. Consistency in data processing is emphasized
Correlation of calculation and flight studies of the effect of wing flexibility on structural response due to gusts by John C Houbolt ( Book )
3 editions published in 1953 in English and held by 5 WorldCat member libraries worldwide
Studies made to evaluate the influence of wing bending flexibility on the structural response to gusts of two twin-engine transports and one four-engine bomber are summarized. The studies encompass some previously reported and some new flight studies, some calculation studies based on discrete- or single-gust encounter, and some new calculation studies for continuous-turbulence encounter, based on the methods of generalized harmonic analysis. It is shown that the discrete-gust approach reveals the general nature of the flexibility effects and leads to qualitative correlation with flight results. The studies based on the harmonic-analysis approach show good quantitative correlation with flight results and allow for a much greater degree of resolution of the flexibility effects. A good agreement shown suggests that a suitable approach for calculating flexibility effects is now available
Structural response to discrete and continuous gusts of an airplane having wing-bending flexibility and a correlation of calculated and flight results by John C Houbolt ( Book )
3 editions published in 1954 in English and held by 5 WorldCat member libraries worldwide
Bending and shear stresses developed by the instantaneous arrest of the root of a moving cantilever beam by Elbridge Z Stowell ( Book )
5 editions published between 1944 and 1945 in English and held by 5 WorldCat member libraries worldwide
A theoretical and experimental investigation has been made of the behavior of a cantilever beam in transverse motion when its root is suddenly brought to rest. Equations are given for determining the stresses, the deflections, and the accelerations that arise in the beam as a result of the impact. The theoretical equations, which have been confirmed experimentally, reveal that, at a given percentage of the distance from root to tip, the bending stresses for a particular mode are independent of the length of the beam, whereas the shear stresses vary inversely with the length
Critical stress of plate columns by John C Houbolt ( Book )
3 editions published in 1950 in English and held by 4 WorldCat member libraries worldwide
An exact solution is given for the elastic buckling stress of a flat rectangular plate with simply supported ends when loaded as a column, and an energy solution in which power series and undetermined multiplieres are used is made for the case of fixed ends. The critical stress is given in terms of the Euler column-buckling value of the load multiplied by a coefficient which depends on the width-length ratio of the plate. A point of theoretical interest on the buckling of a very wide plate is presented
Flight and analytical methods for determining the coupled vibration response of tandem helicopters by John E Yeates ( Book )
3 editions published in 1957 in English and held by 4 WorldCat member libraries worldwide
Gust-response analysis of an airplane including wing bending flexibility by John C Houbolt ( Book )
3 editions published in 1952 in English and held by 4 WorldCat member libraries worldwide
An analysis is made of the gust response (including bending moment) of an airplane having the degrees of freedom of vertical motion and wing bending flexibility and basic parameters are established. A convenient numerical solutioin of the response equations, well-suited for trend studies, is developed and used in an example. A method is indicated for determining the gust causing a known response and a procedure is given for determining the response of an airplane directly from the known response of another airplane
The idea that nobody wanted ( Visual )
1 edition published in 2002 in English and held by 4 WorldCat member libraries worldwide
Videocassette. "A unique videotape that highlights John Houbolt, an engineer at the NASA Langley Research Center. Hear about the history behind the moon missions that might not have happened without his perseverance"--NASA CORE website
A Method for determining the column curve from tests of columns with equal restraints against rotation on the ends by Eugene E Lundquist ( Book )
2 editions published in 1943 in English and held by 4 WorldCat member libraries worldwide
The results are presented of a theoretical study for the determination of the column curve from tests of column specimens having ends equally restrained against rotation. The theory of this problem is studied and a curve is shown relating the fixity coefficient to the critical load, the length of the column, and the magnitude of the elastic restraint. A method of using this curve for the determination of the column curve for columns with pin ends from tests of columns with elastically restrained ends is presented. The results of the method as applied to a series of tests on thin-strip columns of stainless steel are also given
 
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Languages
English (73)