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- The Plum Island Animal Disease Laboratory.
- Examines the research facilities at the Plum Island Animal Disease Laboratory and provides information regarding its location, the organization, and the types of research and service provided.
- Leather Bookbindings: How to Preserve Them.
- Describes types of leather bindings for books and methods for preserving them.
- Preparation of cabbage for market.
- Describes varieties of cabbage and methods for market preparation.
- Hose pump for applying nitrogen solutions.
- Describes methods for fertilizing crops with liquid fertilizer; provides calculations and tables for fertilizer measurements.
- Know Your Butter Grades.
- Describes the U.S. federal grades given to determine product quality, and how these grades are used for butter.
- Ginning cotton.
- Describes the importance of the ginning process, and the means for ginning the highest quality cotton.
- The clover leaf weevil and its control.
- Describes the life cycle of the clover-leaf weevil, the damage it causes, and methods of control.
- Growing loblolly pine in the South Atlantic states.
- Describes the loblolly pine tree, its growth habits, and uses. Provides advice on growing loblolly pine as a crop.
- Growing slash pine.
- A guide to establishing and managing slash pine stands. Discusses various uses of slash pine products and pine stands.
- Potato growing in the South.
- Provides detailed information on potato farming in 13 different southern states including cultivation and soil conservation practices, and identifying and controlling diseases and insects.
- Buckwheat culture.
- Describes methods of growing buckwheat, and ways to use the crop.
- Summary Report on the Hazards of the Argonaut Reactor
- From Summary: "This report covers installation of Argonaut Reactor at the Du-Page site of the Argonne National Laboratory."
- Neutron Scattering Angular Distribution
- From Introduction: "The remainder of this report describes the experiment and analytical methods which were used to obtain corrected cross sections in the representation shown in the graphs."
- Injury Experience in Coal Mining, 1951: Analysis of Mine Safety Factors, Related Employment, and Production Data
- From Introduction and Summary: "The Injury Data and experience at coal mines in the United States for 1951 are presented in this bulletin under the following general heads: (A) General injury experience: (B) Selected injury data (C) Injury experience by States: (D) Major disasters: (E) Historical coal-mine injury experience:"
- Analyses of Ash from United States Coals
- Report summarizing analyses done on ash of coal from the United States.
- Bibliography of Bureau of Mines Health and Safety Publications: January 1947-June 1955
- From Introduction: "While the basic purpose of this bulletin is to describe health and safety reports for the period January 1947 through 1955, a selected number of earlier publications that are believed pertinent for reference purposes are included."
- Flood Prevention in Anthracite Mines: Anthracite Region of Pennsylvania, Projects Numbers 4 and 5
- From Scope of Reports: "This report covers the following: (a) A brief description of the work proposed under Projects Nos. 4 and 5; (b) the topography, geology and hydrology of the area into which the sections of the proposed tunnel are to be driven; (c) plans, costs, and construction schedules of the projects; and (d) conclusions and recommendations."
- Zirconium: Its Production and Properties
- Report concerning the element Zirconium that provides extensive details regarding its acquisition and production.
- Injury Experience in the Quarry Industry, 1953: Detailed Analysis of Safety Factors and Related Employment Data
- From Introduction and Summary: "This bulletin, covering the calendar year 1953, is the 34th publication containing statistical data on injuries at quarries and related plants in the United States. The last similar publication was Bulletin 554, Injury Experience in the Quarry Industry, 1952."
- Electronic Devices for Nuclear Physics: November 1, 1955 - January 31, 1956
- Report regarding the ongoing development of both multi-alkali photocathodes and improved photomultipliers.
- Electronic Devices for Nuclear Physics: February 1, 1956 - April 30, 1956
- Report regarding the ongoing development of both multi-alkali photocathodes and an improved photomultiplier.
- Development of Dumont Photomultiplier Tubes: Report Number 19
- Report concerning the ongoing development of the Dumont photomultiplier tube. Ongoing improvements have been noted.
- Development of Dumont Photomultiplier Tubes: Report Number 20
- Report concerning the ongoing development of the Dumont photomultiplier tube. Tube improvements have been noted.
- Development of Dumont Photomultiplier Tubes: Report Number 21
- Report concerning the ongoing development of photomultiplier tubes for use in the scintillation counter field.
- Electronic Devices for Nuclear Physics: May 1, 1956 - July 31, 1956
- Report regarding the ongoing development of both multi-alkali photocathodes and improved photomultipliers.
- Progress Report on AEC Contract on Research and Development Program on Scintillation Crystals: Period 1 January 1956 to 1 April 1956
- From Abstract: "This report covers the preliminary literature survey and the screening of activated cesium iodide and several alkali halides to qualitatively determine their luminerscence. The report also includes a proposal of the future work and a proposed budget for the 1957 fiscal year."
- Research on and Development of Badger-Hickman Centrifugal Distillation Techniques and Equipments
- From Summary: "Based upon the results of the investigations on both the No. 3 and No. 4 stills, engineering designs for a 25,000 g.p.d. unit were developed. Sketches of this design and a description of the process are presented in this report."
- Design, Construction, Field Testing, and Cost Analysis of An Experimental Electrodialysis Demineralizer for Brackish Waters
- Rpeort describing the electrodialysis process as a possible practical means for demineralizing saline waters. The tests described in the report are used to determine the effects of operating the process under field conditions, to provide estimates of the cost of demineralizing brackish waters on a large scale, and as a means of planning further needed research in this field.
- United States Earthquakes, 1956
- Report discussing earthquake activity in the United States during 1956. The report is broken down by regions and has sections for specific earthquakes.
- Turbine Failure Investigation of J65-W-4 Turbojet Engine in an Altitude Test Chamber
- Memorandum presenting an altitude investigation to determine the basic mechanism by which J65-W-4 turbine rotor-blade failures were occurring in service. The engine was installed in an altitude test chamber and a series of controlled engine throttle bursts, with and without inlet-air distortion, over a range of altitudes, flight Mach numbers, and inlet-air temperatures. An examination of the data obtained during the investigation indicated that the danger of turbine failure could be eliminated without any appreciable sacrifice in engine acceleration time.
- Analysis of turbojet and ram-jet engine cycles using various fuels
- From Introduction: "These data have been collected for presentation in this report to illustrate the performance of turbojet and ram-jet cycles utilizing several of the more promising high-energy fuels. Results are presented in terms of engine over-all efficiency and thrust per pound of airflow as functions of flight Mach number."
- Effect of Combustion Gas Properties on Turbojet-Engine Performance With Hydrogen as Fuel
- Memorandum presenting an analysis comparing engine performance determined by use of a method involving adjustment of engine cycle calculations using JP-4 fuel with performance obtained using hydrogen as a fuel.
- Full-Scale Evaluation of Some Flameholder Design Concepts for High-Inlet-Velocity Afterburners
- Memorandum presenting an investigation of a full-scale afterburner with high burner-inlet velocity conducted to determine burner performance with several variations in burner design. Variables receiving particular attention were flameholder design and burner length. Results regarding diffuser performance, performance of the reference two-V-gutter flameholder, designs to improve combustion for high-velocity conditions, and operational characteristics are provided.
- Wing-Body Combinations With Wings of Very Low Aspect Ratio at Supersonic Speeds
- Memorandum presenting force and moment characteristics of configurations employing wings of very low aspect ratio as determined for Mach numbers of 1.97 and 3.33. The angle of attack range was from 0 to 17 degrees for Mach number 1.97 and from 0 to 30 degrees for Mach number 3.33. Results regarding experimental force and moment characteristics, comparisons of theoretical and experimental force and moment characteristics, and visual observations of flow over models are provided.
- Performance characteristics of an underslung vertical-wedge inlet with porous suction at Mach numbers of 0.63 and 1.5 to 2.0
- Performance characteristics of underslung vertical wedge inlet with porous suction at Mach numbers of 0.63 and 1.5 to 2.0.
- Static Lateral and Directional Stability and Control Characteristics of a Revised 1/22-Scale Model of the Republic F-105 Airplane at Mach Numbers of 1.41 and 2.01
- Report discussing testing to determine the static lateral and directional stability and control characteristics of a model of the Republic F-105 airplane. The effects of various vertical tails and ventral fins, wing-tip fences, a canopy fin, fuselage nose shape, external stores, and deflection of horizontal tail, spoiler, and rudder were explored.
- Investigation of Drag and Static Longitudinal and Lateral Stability Characteristics of a 1/15-Scale Model of the Grumman F11F-1F Airplane at Mach Numbers of 1.56, 1.76, 2.06, and 2.53
- Report presenting an investigation in the Langley Unitary Plan wind tunnel to determine the drag and static longitudinal and lateral stability characteristics of a model of the Grumman F11F-1F airplane at Mach numbers 1.56, 1.76, 2.06, and 2.53. The investigation included the effects on performance and stability of modifications, including a wing-root leading-edge fillet and horizontal tails with negative dihedral of 10 degrees and 30 degrees. Information regarding net external minimum drag coefficients, neutral points, directional stability, and positive effective dihedral is provided.
- Summary of Subsonic-Diffuser Data
- Memorandum presenting a review of the subsonic-diffuser data available in the literature, which is then reduced to certain appropriate performance coefficients and presented as functions of the significant geometric and flow variables. Results regarding total-pressure-loss factor, diffuser effectiveness, recovery of diffuser effectiveness in the tailpipe, inlet speed effects, exit flow distributions, boundary-layer control, and effects of distorted inlet velocity distribution are provided.
- The Origin and Distribution of Supersonic Store Interference From Measurement of Individual Forces on Several Wing-Fuselagestore Configurations 6. - Swept-Wing Heavy-Bomber Configuration With Stores of Different Sizes and Shapes
- Memorandum presenting a supersonic wind-tunnel investigation of the origin and distribution of store interference performed in the 4- by 4-foot supersonic pressure tunnel at Mach number 1.61 in which separate forces on a store, a fuselage, a swept wing, and a swept-wing-fuselage combination were measured. The report presents data on a configuration which simulated a heavy-bomber airplane with stores of several shapes and sizes.
- Force and Pressure-Distribution Investigation to High Angles of Attack on All-Movable Triangular and Rectangular Wings in Combination With a Body at Supersonic Speeds
- Force and pressure distribution studies to high angles of attack on all-movable triangular and rectangular wings in combination with body at supersonic speeds. The ranges of aspect ratios were, for the triangular wings, 3/8 to 4, and for the rectangular wings, 1 to 3.
- Some Considerations Regarding the Application of the Supersonic Area Rule to the Design of Airplane Fuselages
- Memorandum presenting certain considerations and techniques pertinent to the application of the supersonic area rule to the design of airplane fuselages. Some of the factors considered are an extension of the rule to account for the interference effects of the wing and tail on the general flow field for asymmetrical configurations, the determination of fuselage area developments which result in approximately the minimum wave drag, and the influence of wing parameters and design Mach number on the effectiveness of fuselage shaping.
- A Summary of Results Obtained During Flight Simulation of Several Aircraft Prototypes With Variable-Stability Airplanes
- Memorandum describing an investigation using two airplanes, an F6F-3 and F-86A, each fitted with servo equipment for varying in flight the lateral and directional stability and handling characteristics, which have been flown by test pilots to simulate the predicted dynamic behavior of six prototype airplanes. The methods of simulation and the types and ranges of variables considered are presented and the results of the individual programs are discussed.
- Minimum Drag of Four Versions of a Swept-Wing Fighter Airplane Obtained From Flight Tests of Rocket-Boosted Models at Mach Numbers From 0.81 to 1.71
- Memorandum presenting tests conducted with four specific versions of a swept-wing fighter airplane, which indicate that a large reduction in external-drag coefficient was accomplished by redesigning the original configuration. The forebody modifications, which consisted of a smaller canopy, slimmer nose, and sharper inlet lip, reduced the value of the external-drag coefficient from 0.044 to 0.042 at a Mach number of 1.05 and from 0.042 to 0.040 at a Mach number of 1.28.
- Low-Speed Investigation of the Effect of Small Canard Surfaces on the Directional Stability of a Sweptback-Wing Fighter-Airplane Model
- Memorandum presenting a low-speed investigation in the free-flight tunnel to determine the effect of small canard surfaces on the directional stability of a fighter-airplane model with an aspect ratio of 3.4 and a 42 degree sweptback wing. The canard surfaces were found to be generally ineffective at angles of attack below 20 degrees.
- Low-Speed Roll Effectiveness of a Differentially Deflected Horizontal-Tail Surface on a 42 Degree Swept-Wing Model
- Memorandum presenting an investigation to determine the roll effectiveness of a differentially deflected horizontal tail of a 42 degree swept-wing model. The model was tested through an angle-of-attack range of 0 degrees through the stall in the clean and landing configurations with the horizontal tail in a low position. Results regarding the longitudinal characteristics and lateral characteristics are provided.
- Full-Scale Wind-Tunnel Tests of a North American FJ-3 Airplane with a Spoiler-Slot-Deflector Lateral Control System
- Report discussing an investigation to determine the low-speed aerodynamic characteristics of a North American FJ-3 airplane with a segmented spoiler-slot-deflector lateral control system installed ahead of convention ailerons and operated as individual units and as combined segments. The longitudinal characteristics of the plane, the spoiler-slot-deflector effectiveness, and spoiler-deflector hinge-moment data are all described.
- Static Longitudinal and Lateral Stability Characteristics Including Effects of Transonic Area Rule and Wing Modification of a 0.10- Scale Model of the Douglas A4D-1 Airplane at Transonic Speeds
- Report discussing testing of a model of the Douglas A4D-1 to investigate the static longitudinal characteristics of wing and fuselage modifications and the static lateral characteristics of the basic model.
- Static Lateral-Directional Stability Characteristics of Five Contemporary Airplane Models From Wind-Tunnel Tests at High Subsonic and Supersonic Speeds
- Memorandum presenting the static lateral-directional stability characteristics of several airplane models recently investigated which cover many of the geometric arrangements of high-speed airplane components of current interest. The results are limited to the most pertinent aerodynamic phenomena contributing to the lateral-directional characteristics of each airplane type. Results for five different models are provided.
- Transonic Aerodynamic and Trim Characteristics of a Multi-Engine Delta-Wing Airplane Model
- Memorandum presenting an investigation of three models of a delta-wing airplane designed for a long-range subsonic cruise and a supersonic dash. Results regarding the aerodynamic characteristics of the models and effect of elevon deflection on aerodynamic characteristics of the four-engine model are provided.
- Some Interference Effects That Influence Vertical-Tail Loads at Supersonic Speeds
- Memorandum presenting three types of aerodynamic interference originating from forward components of airplanes, which are shown to contribute to decreased vertical-tail effectiveness. The vorticity originating from a slender fuselage ahead of the wing resulted in a marked reduction in vertical-tail effectiveness with angle of attack for one model.