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Literatura académica sobre el tema "Naval Air Test Center (NATC)"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 7 de febrero de 2022

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Artículos de revistas sobre el tema "Naval Air Test Center (NATC)"

Loob, William. "Blast from the Past." Mechanical Engineering 121, no. 08 (1999): 64–66. http://dx.doi.org/10.1115/1.1999-aug-6.

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This article presents a review about the jet engine testing facilities of the Naval Air Warfare Center Aircraft Division in Trenton, NJ, that had to be moved to a base run by another branch of the military, the Arnold Engineering Development Center at Arnold Air Force Base in Tennessee. The jet engine testing complex at Trenton had been built in the 1950s. The restriction effectively ruled out any upgrades so long as the Navy’s engine test requirements could be met by replicating the capabilities of the old facility. The natural tendency of the engineers and planners looking at the project was to think immediately about how the facility could be improved with modern designs. For the restriction on not improving the test capability at Trenton, the project ironically provided an expansion of services. This is built to subject the Navy engines to definite environmental conditions, and as long as the Navy has that kind of test requirement. It is a capability that is available not only to the Navy and Air Force, but to the Army, Marines, and private industry as well.

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Patterson, J. S., and H. Harris. "The Installation, Testing, and Lessons Learned of the TF40B Gas Turbine Test Facility." Journal of Engineering for Gas Turbines and Power 118, no. 2 (1996): 375–79. http://dx.doi.org/10.1115/1.2816599.

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The TF40B Gas Turbine Test Facility is the only dedicated Landing Craft, Air Cushion main propulsion engine test complex available to the U.S. Navy. This facility, located at the Naval Surface Warfare Center, Carderock Division (NSWCCD) in Philadelphia, PA, began operation in August, 1992. Since then, the test engine has logged approximately 230 starts and 350 operating hours. This paper will present the installation, testing, and lessons learned of the TF40B test facility. The installation section will discuss the modifications made to the existing test facility to accept the TF40B engine. The test section will include the Foreign Object Damage (FOD) screen evaluation, both on-line and crank wash detergent fluid evaluations, cold weather fuel testing, engine vent line testing and Aerojet 5 oil evaluation. The lessons learned section will include problems related to the electric starter, waterbrake, inlet and exhaust systems, data acquisition system, instrumentation control panel, and the test cell equipment arrangement.

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Pletcher, Erin R., Valerie J. Williams, John P. Abt, et al. "Normative Data for the NeuroCom Sensory Organization Test in US Military Special Operations Forces." Journal of Athletic Training 52, no. 2 (2017): 129–36. http://dx.doi.org/10.4085/1062-6050-52.1.05.

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Context: Postural stability is the ability to control the center of mass in relation to a person's base of support and can be affected by both musculoskeletal injury and traumatic brain injury. The NeuroCom Sensory Organization Test (SOT) can be used to objectively quantify impairments to postural stability. The ability of postural stability to predict injury and be used as an acute injury-evaluation tool makes it essential to the screening and rehabilitation process. To our knowledge, no published normative data for the SOT from a healthy, highly active population are available for use as a reference for clinical decision making. Objective: To present a normative database of SOT scores from a US Military Special Operations population that can be used for future comparison. Design: Cross-sectional study. Setting: Human performance research laboratory. Patients or Other Participants: A total of 542 active military operators from Naval Special Warfare Combatant-Craft Crewmen (n = 149), Naval Special Warfare Command, Sea, Air, and Land (n = 101), US Army Special Operations Command (n = 171), and Air Force Special Operations Command (n = 121). Main Outcome Measure(s): Participants performed each of the 6 SOT conditions 3 times. Scores for each condition, total equilibrium composite score, and ratio scores for the somatosensory, visual, and vestibular systems were recorded. Results: Differences were present across all groups for SOT conditions 1 (P < .001), 2 (P = .001), 4 (P > .001), 5 (P > .001), and 6 (P = .001) and total equilibrium composite (P = .000), visual (P > .001), vestibular (P = .002), and preference (P > .001) NeuroCom scores. Conclusions: Statistical differences were evident in the distribution of postural stability across US Special Operations Forces personnel. This normative database for postural stability, as assessed by the NeuroCom SOT, can provide context when clinicians assess a Special Operations Forces population or any other groups that maintain a high level of conditioning and training.

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Sue-Chan, Christina, and Kelly Fisher. "Take-off or abort? Chief Smith and Flight Line in NAS Ionian." CASE Journal 14, no. 1 (2018): 6–24. http://dx.doi.org/10.1108/tcj-11-2016-0089.

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Synopsis This case presents the leadership challenges that Chief Petty Officer Amanda Smith navigated as the first woman assigned to lead a Flight Line work center at NAS Ionian, an organization that was characterized by a culture of “hegemonic masculinity.” Failure to effectively lead the work center could have catastrophic consequences, including death of service personnel. Flight Line work centers, located in naval air stations throughout the world, serviced the air operations of aircraft carriers of the US Navy and provided allied air support. The assignment was a test of Smith’s leadership because the NAS Ionian Flight Line had experienced a spate of misconduct by personnel and had failed important maintenance inspections. Chief Smith was tasked to improve the morale and performance of the work center’s sailors who had diverse personal and professional backgrounds. She was also directed to ensure that the work center passed important maintenance inspections despite the challenges of dealing with subordinates, rank peers, and senior officers who had never previously worked with a woman in her role. Research methodology The case study is based on primary data collected from the protagonist, a.k.a. Amanda Smith. The primary data are supplemented with secondary data from published sources. The names of the air station and the protagonist have been altered to protect the identity of individuals in the case. Relevant courses and levels The case is applicable to senior undergraduate courses in HRM performance or talent management, training and development as well as in MBA or other Master’s level courses in management, industrial-organizational psychology, organizational behavior and leadership. Theoretical bases The case deals with leadership style (e.g. Initiating structure – organizing work, giving structure to the work context, defining role responsibility, scheduling work activities; consideration – building camaraderie, respect, trust, and liking between leaders and followers); organizational culture; diversity management; power and influence; and performance management.

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Bowen, T. L., D. P. Guimond, and R. K. Muench. "Experimental Investigation of Gas Turbine Recuperator Fouling." Journal of Engineering for Gas Turbines and Power 109, no. 3 (1987): 249–56. http://dx.doi.org/10.1115/1.3240032.

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This paper discusses an experimental investigation of recuperator fouling currently underway at the David Taylor Naval Ship Research and Development Center. The overall approach involves testing different heat exchangers in the exhaust gas stream of a gas turbine. The two heat exchangers initially tested were the plate-fin type and differed in the gas-side heat transfer surface geometry. Primary surface heat exchangers are being considered for future tests also. Test conditions are defined such that the critical part of full-scale recuperators (i.e., the colder end of the gas passages) is simulated in the small test heat exchangers. The composition of the gas stream is measured to determine amounts of gaseous, particulate, and condensible hydrocarbon emissions. Fuel samples taken during each test are analyzed. The test heat exchangers are specially constructed to allow inspection and measurement of the fouling film inside the unit following each test. The temperature distribution inside the test exchanger is measured, as well as air and gas inlet and exit temperatures. Measurements of fouling film thickness are made using an optical microscope and photographs of fouling deposits were taken. The early results obtained from fouling tests conducted with the first heat exchanger are discussed. Tests were also conducted to demonstrate a fouling removal technique.

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Robinson, David L., Mark S. Craig, Ronald S. Wells, Kirk N. Liesemer, and Matthew A. Studer. "Newborn Screening Pulse Oximetry to Detect Critical Congenital Heart Disease: A Follow-Up Survey of Current Practice at Army, Navy and Air Force Hospitals." Military Medicine 184, no. 11-12 (2019): 826–31. http://dx.doi.org/10.1093/milmed/usz116.

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Abstract Introduction The purpose of this study was to assess the evolution of newborn pulse oximetry screening (+POx) among Army, Air Force, and Naval military hospitals (MH), including prevalence, protocol use, quality assurance processes, access to echocardiography, and use of telemedicine. This is a follow-up from a prior study published in 2011. Materials and Methods An Internet-based questionnaire was forwarded to the chief pediatrician at MH worldwide which support newborn deliveries. Descriptive data were reported using percentages. Grouped responses, as applicable, were further compared using the chi-square test. A p-value < 0.05 was considered statistically significant. Results Seventy-eight percent (36/46) of MH supporting deliveries worldwide responded to the survey (17 Army hospitals, 11 Navy Hospitals, 8 Air Force hospitals). All responding hospitals utilize +POx, of which 94% endorsed protocol compliance with the American Academy of Pediatrics guidelines. Nine (25%) hospitals were located outside of the United States. Delivery volumes (infants per month) range between 1–49 (36%), 50–99 (28%), 100–199 (19%), and 200–300 (17%). Eleven hospitals reported regular review of +POx data, with most reviewing them monthly. Four MH share findings with state institutions. Ten hospitals either have a staff pediatric cardiologist or use tele-echocardiography for on-site evaluations. Ten hospitals are located greater than 60 miles from the nearest center with echocardiography capabilities. Of the five hospitals using tele-echocardiography, four confirmed critical congenital heart disease (CCHD) using this practice, and all five reported averting transfer of an infant using this technology. Of the 22 hospitals lacking the ability to obtain on-site echocardiography, 12 (55%) are interested in implementing a tele-echocardiography protocol. Conclusions All responding MH use +POx, representing significant increase from the 30% of MH reporting use of +POx seven years ago. The majority of MH follow AAP +POx guidelines, and though most have providers review results prior to discharge, only one-third report periodic chart review for quality assurance. Most MH transfer infants with positive +POx results for evaluation due to a lack of on-site echocardiography. Tele-echocardiography was reported as a potential solution to diagnose or rule out CCHD. Over half of remaining hospitals without cardiologists are interested in using this technology to evaluate stable infants with positive CCHD screening.

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Tesis sobre el tema "Naval Air Test Center (NATC)"

Shelley, Larry R. "The Real-Time Telemetry Processing System III." International Foundation for Telemetering, 1987. http://hdl.handle.net/10150/615330.

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International Telemetering Conference Proceedings / October 26-29, 1987 / Town and Country Hotel, San Diego, California
The Navy's Real-time Telemetry Processing System (RTPS III) is a third generation system. Designed and built by Computer Sciences Corporation (CSC), RTPS III will support the demands of the Navy flight test community well into the 1990's. The RTPS III is custom-crafted using CSC's system development methodology which blends the best features of the current Navy RTPS system and previously proven CSC systems. A major objective of CSC's RTPS III design is the continuation of existing Navy user interfaces. The transition from the existing system to the integrated RTPS III has also been facilitated by the incorporation of common interfaces to Navy applications software, thus ensuring "new system" acceptance. RTPS III is designed to include a powerful front-end capable of Engineering Unit conversions at more than 200,000 samples per second (sps) per telemetry stream with expansion to 500,000 sps. It will include networking concepts which allow the simple addition of additional subsystems should expansion be required. RTPS III also supports both secure and integrated modes of operation for classified and unclassified processing. The CSC design, a custom combination of proven and new development, results in a Navy system which meets tomorrow's flight test requirements today. Other benefits to NATC are a modular, cost-effective solution with lower life-cycle costs, and a broader range of possibilities for evolving and reconfiguring the system to service new applications and users.

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Libros sobre el tema "Naval Air Test Center (NATC)"

Nichols, Gina. The Navy at Point Mugu. Arcadia Pub., 2011.

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Mechanical Failures Prevention Group. Meeting. Detection, diagnosis, and prognosis of rotating machinery to improve reliability, maintainability, and readiness through the application of new and innovative techniques: Proceedings of the 41st Meeting of the Mechanical Failures Prevention Group, Naval Air Test Center, Patuxent River, Maryland, October 28-30, 1986. Cambridge University Press, 1988.

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Patuxent River Naval Air Test Center (U.S.). Strike Aircraft Test Directorate, ed. Strike Aircraft Test Directorate, Naval Air Test Center. The Directorate, 1991.

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English, T. Malcolm. Pax River: Naval Air Test Center (Superbase). Osprey Publishing (UK), 1992.

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Naval Air Warfare Center (U.S.). Aircraft Division. Technical Information Dept., ed. E³, electromagnetic environmental effects: Research, development, test, and evaluation at the Naval Air Warfare Center. Technical Information Dept., Naval Air Warfare Center Aircraft Division, 1994.

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Naval Air Warfare Center (U.S.). Aircraft Division. Technical Information Dept, ed. Ep3s, electronic environmental effects: Research, development, test, and evaluation at the Naval Air Warfare Center. Technical Information Dept., Naval Air Warfare Center Aircraft Division, 1994.

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Naval Air Warfare Center (U.S.). Aircraft Division. Technical Information Dept, ed. Electronic warfare and reconnaissance test capabilities at the Naval Air Warfare Center Aircraft Division, Patuxent River, MD. Technical Information Dept., Naval Air Warfare Center Aircraft Division, 1994.

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Actas de conferencias sobre el tema "Naval Air Test Center (NATC)"

Lowry, R. C., and J. B. Eckmann. "Tomahawk Engine/Air-Frame Compatibility Testing." In ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/92-gt-412.

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Tomahawk engine/air-frame compatibility tests at the Naval Air Propulsion Center (NAPC), Arnold Engineering Development Center (AEDC), and in captive carry flight tests are discussed. A chronological history of these tests examines the test objectives, test configurations, and results. An emphasis on the two most recent ground tests at NAPC and AEDC is given with the tests compared in terms of repeatability of results. In the process, the major parameters effecting engine surge in the Tomahawk Cruise Missile are identified and quantified.

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Davis, F. G., I. C. Ball, M. L. Graham, and C. D. White. "Effect of Alternate Fuels on the Performance of the Garrett T76 Turboprop." In ASME 1985 International Gas Turbine Conference and Exhibit. American Society of Mechanical Engineers, 1985. http://dx.doi.org/10.1115/85-gt-48.

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A Garrett T76 turboprop was used as the test vehicle to evaluate the effects of varying fuel properties on engine hot-section performance and durability. This program was funded by the Naval Air Propulsion Center (NAPC) as part of their program to determine fuel effects on Navy fleet engines. The test fuels were supplied by NAPC and the fuel properties covered a range of values that are being considered for possible future fuel specification modification. Testing was performed on a full-scale combustion rig at conditions duplicating actual engine operation and on a T76 engine. Rig tests were used to determine turbine inlet temperature quality, lean stability, and ground ignition and altitude relight limits. Engine tests evaluated combustor liner temperatures, gaseous emissions, smoke, carbon deposition and fuel thermal stability. Following testing, regression analyses were performed to quantify the effects of specific fuel property values on combustor performance and durability.

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Quin˜ones, Martin, James R. Gustafson, Kenneth A. Marks, Douglas Parsons, and Richard Lapointe. "Test and Evaluation of a Gas Turbine Electric Starter System." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53476.

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The Naval Surface Warfare Center, Carderock Division, Philadelphia Site successfully completed test and evaluation of the first gas turbine electric starter targeted for Navy use at the Land Based Engineering Site (LBES) of the Naval Surface Warfare Center, Carderock Division (NSWCCD). The Electric Start System (ESS) was developed and manufactured by Hamilton Sundstrand Corporation and installed on an LM2500 main propulsion engine. The ESS was successfully demonstrated to start an LM2500 marine gas turbine with the added benefits of reduced start system configuration (fewer components), ability to control engine acceleration during the early phase of the start cycle, functional transparency to the engine start logic, and speed synchronization between the ESS electric motor and the accessory gearbox of the LM2500 engine with no impact torque. To date it has accumulated over 30 successful starts on the engine. This paper will discuss the results of the aforementioned test, along with advantages and challenges of installing such a system aboard ship.

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Harris, Howard, Iván Piñeiro, and Alan Oswald. "Test Technics and Evaluation Requirements for Marine Gas Turbine Air Inlet Systems." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-501.

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This paper discusses the Naval Surface Warfare Center, Carderock Division, Ship Systems Engineering Station (NSWCCD-SSES) test facilities and techniques to evaluate air inlet filtration systems and foreign object damage (FOD) screens, for marine gas turbines. The first section of this paper will detail the air inlet filtration test program. The second section will present the FOD screen test program. Both sections will include instrumentation, measurement techniques, data acquisition system and evaluation criteria to evaluate gas turbine inlet system.

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Grala, Carl P., and Edward M. House. "The Navy 500-Hour Test (NFHT) of the Intercooled Recuperated Gas Turbine Engine System (ICR)." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0528.

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The Intercooled Recuperated Gas Turbine Engine System (ICR) is being developed by the United States Navy (USN) for shipboard application as a prime mover. The major development goal of the program is reduced fuel consumption relative to the LM2500, the current fielded gas turbine prime mover. This paper describes a 500-hour endurance test of the ICR system. The test was conducted at Naval Surface Warfare Center Carderock Division (NSWCCD), Philadelphia, in accordance with USN requirements which mimicked the qualification requirements for the system. Data to assess the capability of the ICR to pass the qualification test was collected. Overall, the ICR has demonstrated a readiness to commence qualification testing. The ICR completed the test with a total accumulated operating time of 457 hours and total endurance time of 322 hours. Achievement of the planned 500 endurance hours was precluded by persistent facility waterbrake problems.

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Harvey, Edward, Joseph Kingsley, and Matthew Stauffer. "United States Navy (USN) Integrated Power System (IPS) Gas Turbine Generator Set Test Experience." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30260.

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Many Navies around the world have either committed to or are considering utilizing an integrated electric propulsion and ship service power system for their next generation of surface combatants. An integrated system provides for greater operational flexibility, efficiency, and survivability as described in Reference [1]. Two examples of this concept are the Type 45 Destroyer program for the Royal Navy and the DD (X) program for the US Navy. The machinery plant for the Type 45 will include both gas turbine and diesel generators sets, and although not determined yet, the DD (X) plant will undoubtedly include gas turbine prime movers. The US Navy has been evaluating a gas turbine generator based Integrated Power System (IPS) architecture at the Land Based Engineering Site (LBES) at the Naval Surface Warfare Center, Ship Systems Engineering Station (NSWCCD-SSES) in Philadelphia, Pa since 1999. This paper will describe the IPS configuration, test program, gas turbine generators, gas turbine generator operational experience, and recommendations for future systems.

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Kamin, R. A., and P. M. McConnell. "Impact of Higher Freeze Point Fuels on Naval Aircraft Operations." In ASME 1986 International Gas Turbine Conference and Exhibit. American Society of Mechanical Engineers, 1986. http://dx.doi.org/10.1115/86-gt-262.

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Refinery process studies have indicated that the relaxation of the JP-5 freeze point specification is a viable means of increasing jet fuel availability. The Naval Air Propulsion Center is investigating the impact of higher freeze point fuels on naval aircraft operations. Six fuels, with freeze points ranging from −55°F to +10°F, were tested in two instrumented external fuel tanks. Thirty hours of flight test and one hundred hours of wind tunnel test data have been accumulated. This information is being used in conjunction with laboratory and bench scale test data to support the development of a three dimensional computer code. This code will predict fuel cool down and hold-up (unpumpable frozen fuel) for any fuel tank geometry during a mission. Initial results indicate that the current JP-5 freeze point specification of −51°F is conservative and could be safely relaxed.

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Kacprzynski, Gregory J., Michael Gumina, Michael J. Roemer, Daniel E. Caguiat, Thomas R. Galie, and Jack J. McGroarty. "A Prognostic Modeling Approach for Predicting Recurring Maintenance for Shipboard Propulsion Systems." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0218.

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Accurate prognostic models and associated algorithms that are capable of predicting future component failure rates or performance degradation rates for shipboard propulsion systems are critical for optimizing the timing of recurring maintenance actions. As part of the Naval maintenance philosophy on Condition Based Maintenance (CBM), prognostic algorithms are being developed for gas turbine applications that utilize state-of-the-art probabilistic modeling and analysis technologies. Naval Surface Warfare Center, Carderock Division (NSWCCD) Code 9334 has continued interest in investigating methods for implementing CBM algorithms to modify gas turbine preventative maintenance in such areas as internal crank wash, fuel nozzles and lube oil filter replacement. This paper will discuss a prognostic modeling approach developed for the LM2500 and Allison 501-K17 gas turbines based on the combination of probabilistic analysis and fouling test results obtained from NSWCCD in Philadelphia. In this application, the prognostic module is used to assess and predict compressor performance degradation rates due to salt deposit ingestion. From this information, the optimum time for on-line waterwashing or crank washing from a cost/benefit standpoint is determined.

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Janton, Jay T., and Chai Uawithya. "WR21 Intercooled Recuperated (ICR) Gas Turbine Engine System Level Development Test Program Summary." In ASME Turbo Expo 2000: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0604.

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The WR21 Intercooled Recuperated (ICR) Gas Turbine engine has undergone system level development testing from July of 1994 to December 1999. There have been a total of ten engine builds and 2126 hours of engine operation performed through December of 1999. A significant number of unique development tests (experiments) have been performed over the ten engine builds. The last development test just completed and that was a USN specified 500-hour endurance test from 4 October through 16 December of 1999. All the development testing to date has been performed at the Defense Evaluation and Research Agency (DERA), Pyestock, England which is part of the UK Ministry of Defense (MOD). The last 500-hour endurance test was performed at the Advanced Propulsion & Power Generation Test Site (APPGTS) located at the Naval Surface Warfare Center Carderock Division (NSWCCD), Philadelphia, PA. The system level testing performed has evaluated the gas generator, power turbine, enclosure systems, recuperator, intercooler, and engine electronic controller (EEC). The enclosure systems include two off-engine skids (lube oil module and Intercooler Heat Exchanger module), accessory gearbox, fire protection system, enclosure cooling system, water wash, structureborne and airborne noise, fuel system and air start system. A three-phase development test strategy was employed. The first phase was to demonstrate the ICR technology and identify the highest-risk areas. Due to the unique challenges introduced by the intercooler, recuperator, variable area nozzles, and new EEC the test program was continually reviewed and revised. The second phase focused on component and system improvements. The final phase is the verification of the ICR in a 500-hr endurance test. At the completion of development testing a final design review will be held (DR5), followed by qualification testing. The qualification tests will include a 3150-hr endurance test and shock test. This paper summarizes and discusses the major tests performed during the development phases. The plan for the final development 500-hr endurance test and 3150-hr qualification test will be presented.

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Stossier, Walt, Matt Stauffer, and Glenn E. Perkins. "WR-21 Recuperator Core Test." In ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-gt-514.

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WR-21 is the designation for the Intercooled, Recuperated (ICR) Gas Turbine Engine System currently under development for the U.S. Navy (USN), with the Royal Navy (RN) and French Navy as major participants. The purpose of the program is to design, develop and qualify a fuel efficient engine system for surface ships. A key enabling technology for the ICR Engine System is the recuperator used to recover exhaust gas heat for reinsertion into the engine cycle thereby reducing specific fuel consumption. A test of a full scale, reduced capacity WR-21 recuperator core was conducted at the Naval Surface Warfare Center, Carderock Division, Ship Systems Engineering Station (NSWCCD-SSES) to determine system response to transient maneuvers typical to ship gas turbine engines. Existing Navy gas turbines located at the site were used to provide the air and gas media for the test apparatus. The test program was directed by Northrop Grumman Marine Systems, the ICR prime contractor, and Allied Signal Aerospace, the recuperator manufacturer. This paper provides a description of the core test premise, test facility, test instrumentation, test experiments and resultant test data.

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