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Altitude Free-Jet Investigation of Dynamics of a 28-Inch-Diameter Ram-Jet Engine

Description: From Introduction: "The feasibility of closed-loop control of ram-jet-engine thrust is demonstrated in references 1 and 2. The dynamic behavior of a 28-inch-diameter ram-jet engine designed to operate in Mach number range of 2.35 to 2.70 is evaluated herein."
Date: January 15, 1957
Creator: Wentworth, Carl B.; Dunbar, William R. & Crowl, Robert J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Applications of power spectral analysis methods to maneuver loads obtained on jet fighter airplanes during service operations

Description: Report presenting power spectral densities of normal load factor obtained for two service operational training flights of a Republic F-84G airplane and three service operational training flights of a North American F-86A airplane in order to indicate the load-factor frequency content and possible uses of power spectral methods in analyzing maneuver load data. Results regarding the spectra of the two different planes, an analytical representation of maneuver load spectrum, and probability distri… more
Date: January 15, 1957
Creator: Mayer, John P. & Hamer, Harold A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Examination of 6" Diameter "O" Ring from HRT Mockup. Metallography Report (Y-12) No. 39

Description: A six-inch diameter "O" ring from the HRT Mockup was examined metallographically after 2452 hours exposure to uranyl sulfate solution at 300C. surface defects, except for cold work defects were found only in areas exposed to uranyl sulfates. Defects found were pits, transgranular cracks, surface cracks, and grain attacks.
Date: January 15, 1957
Creator: Kegley, T. M., Jr.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Experimental Investigation of Diffuser Pressure Ratio Control With Shock Positioning Limit on 28 Inch Ram-Jet Engine

Description: Report presenting an investigation of the performance of a diffuser static-pressure-ratio control with a normal shock-positioning limit on a ramjet engine installed in an altitude free-jet facility. Testing occurred at Mach numbers of 2.35 and 2.50, altitudes of 50,000, 60,000 and 65,000 feet, and angles of attack of 0 and 7 degrees. Results regarding the effects of control constants, effects of disturbance size and operating point, effects of flight conditions, and control limitations and poss… more
Date: January 15, 1957
Creator: Dunbar, William R.; Wentworth, Carl B. & Crowl, Robert J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Experimental Investigation of Diffuser Pressure-Ratio Control With Shock-Positioning Limit on 28-Inch Ram-Jet Engine

Description: The performance of a control system designed for variable thrust applications was determined in an altitude free-jet facility at various Mach numbers, altitudes and angles of attack for a wide range of engine operation. The results are presented as transient response characteristics for step disturbances in fuel flow and stability characteristics as a function of control constants and engine operating conditions. The results indicate that the control is capable of successful operation over the … more
Date: January 15, 1957
Creator: Dunbar, William R.; Wentworth, Carl B. & Crowl, Robert J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Experimental Investigation of Water Injection in Subsonic Diffuser of a Conical Inlet Operation at Free-Stream Mach Number of 2.5

Description: A spike-type nose inlet with sharp-lip cowl was investigated at a free-stream Mach number of 2.5 with water injection in its 16-inch diameter, 11-foot-long subsonic diffuser section. Inlet total temperature of exit with liquid-air ratios of about 0.04 with no apparent change in the critical pressure recovery. The observed temperature drops were less than the theoretically predicted values, and the amount of water evaporated was 35 to 50 percent less than that theoretically possible.
Date: January 15, 1957
Creator: Beke, Andrew
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

E.I. duPont de Nemours & Co., Process Section Manufacturing Division monthly report, December 1956

Description: This document form Savannah River Plant reports progress in the month of December 1956 for the 100, 200, 300, and 400 Areas. The productivity moderator program is described in the 100 (reactor) Area. Tritium processing, 200-F increased capacity, waste disposal, and the `25` plant are reported on in the 200 (separations) Area. The increased productivity program to include extended surface enriched and uranium elements is described in the 300 (reactor fuel fabrication) Area. Dana Plant operations… more
Date: January 15, 1957
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

[News Script: Billy Graham]

Description: Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about evangelist Billy Graham visiting Fort Worth to address the Texas Baptist Evangelistic Conference.
Date: January 15, 1957
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections
open access

[News Script: Fort Worth girls in Tijuana]

Description: Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about Patrician Ann Wilson and Gaylene Freeman waiting for their lovers, the murder suspects James Edward Davis and Billy Ray Clifton, to be freed from jail in Tijuana, Mexico.
Date: January 15, 1957
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections
open access

[News Script: Girls]

Description: Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about two teenage girls being arrested for robbing three service stations.
Date: January 15, 1957
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections
open access

Preliminary Wind-Tunnel Investigation of the Performance of Republic F-105 Wing-Root Inlet Configurations at Various Angles of Attack and a Mach Number of 2.01

Description: "A 1/13-scale model of the forebody of the Republic F-105 with twin-duct wing-root inlets was tested in the Langley 4- by 4-foot supersonic pressure tunnel through a range of angle of attack from -4 deg to 15 deg at a Mach number of 2.01 and a Reynolds number of approximately 3.4 x 10(exp 6) per foot. The tests were made with four configurations which incorporated varying amounts of sweep and stagger of the inlet leading edges, modifications to the areas of the boundary-layer diverter floor pla… more
Date: January 15, 1957
Creator: Kouyoumjian, Walter L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A study of injection processes for 15-percent fluorine - 85-percent oxygen and heptane in a 200-pound-thrust rocket engine

Description: Characteristic exhaust velocity over a range of mixture ratios and variations in gas velocity with distance from the injector were measured for six injectors. Comparisons of injector performance showed the gains obtained from oxidant atomization, fuel atomization, and propellant mixing. The results are compared with oxygen and heptane performance and show the effect, which is qualitatively small, of spontaneous propellant ignition on the relation between injection processes and engine performan… more
Date: January 15, 1957
Creator: Heidmann, M. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Transonic and Supersonic Characteristics of a Horn-Balanced Control With Unbalancing Tab on a 55 Degree Sweptback Wing

Description: Report presenting an investigation of a semispan-wing-fuselage model with a 55 sweptback triangular wing of aspect ratio 3.5 with a horn-balanced flap-type control with a partially inset unbalancing tab. Control hinge-moment and effectiveness characteristics were obtained for a range of angles of attack, flap deflections, and tab deflections.
Date: January 15, 1957
Creator: Guy, Lawrence D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Experimental investigation of dynamic relations in a 48-inch ram-jet engine

Description: Engine dynamics were investigated for supercritical operation of the ram jet at Mach 2.75 over a range of simulated altitudes from 68,000 to 82,000 feet. Indicial-and frequency-response tests were conducted with fuel flow as the input variable. For a wide range of operating points, the response of static or total pressure to fuel flow consisted of a dead time followed by a response form that generally approximated a linear, first-order, lead-lag. The dead time varied significantly only with dis… more
Date: February 15, 1957
Creator: Hurrell, Herbert G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Hanford Laboratories operation monthly activities report, January 1957

Description: This is the monthly report for the Hanford Laboratories Operation. Metallurgy, reactor fuels, physics and instrumentation, reactor technology, chemistry, separation processes, biology, financial activities, employee relations, laboratories auxiliaries, radiation protection, operation research, inventions, visits, and personnel status are discussed. This report is for January 1957.
Date: February 15, 1957
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Influence of Boric Oxide Deposition on Turbojet-Engine Operation

Description: Memorandum presenting a study of the effect of oxide-depositing fuels on engine starting, operation, and performance by using a modified production turbojet engine operated using a trimethyl borate azeotrope as a fuel. Results regarding boric oxide deposition, engine operation and performance, effect of turbine-inlet temperature, and dissipation of boric oxide deposits are provided.
Date: February 15, 1957
Creator: Useller, James W.; Burley, Richard R. & Velie, Wallace W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Influence of boric oxide deposition on turbojet-engine operation

Description: Report presenting testing of a modified production turbojet engine using a trimethyl borate azeotrope as a fuel. Operation with this fuel for 100 minutes produced a 2-percent deterioration in engine speed and only a 1-percent increase in combustor total-pressure loss with the best engine configuration investigated. Results regarding boric oxide deposition, engine operation and performance, effect of turbine-inlet temperature, and dissipation of boric oxide deposits are provided.
Date: February 15, 1957
Creator: Useller, James W.; Burley, Richard R. & Velie, Wallace W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

[News Script: Cafe, tavern men file beer petitions]

Description: Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about two petitions, one to legalize the sale of beer for off-premise consumption and the other to legalize the sale of beer and wine for on-premise consumption, being filed in the newly-dry Oak Cliff.
Date: February 15, 1957
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections
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