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OUT-OF-PRODUCTION MICRO-ELECTRONICs - AN ACHILLEs HEEL OF DEFENsE systems

NAVAL ENGINEERs JOURNAL 1988年第5期100卷 69-72页

作者： MACKENZIE, CM WOOTTEN, R HOY, K NEELY, J KOsCO, D sMITH, W C. Malcolm Mackenzie:is the Materials and Parts Availability Control program manager at U.S. Army Laboratory Command Adelphi Md. Mr. Mackenzie has a B.S. degree in mechanical engineering from Northwestern University an M.S. degree in the same field from the University of Michigan and an M.B.A. from East Texas State University. Richard Wootten:is project officer of the U.S. Army Material Command's Materials and Parts Availability Control Information Data System Project Adelphi Md. Mr. Wootten holds an associate's degree in mechanical engineering from Northern Virginia Community College and a Bachelor of Science in Electronics Engineering from The University of Alabama. Kevin Hoy:is manager of the Microelectronics Obsolescence Management Program at the Naval Avionics Center Indianapolis. Mr. Hoy holds both bachelor and master of science degrees in mathematics from Purdue University. James Neely:is leader of the Materials Management Team Industrial Materials Division in the Directorate of Manufacturing Air Force Systems Command Dayton Ohio. Mr. Neely holds a bachelor's degree in political science from The University of Georgia and a master of science degree in public administration from The University of Missouri. Don Kosco:is an electronics engineer currently involved with introducing new technologies into weapons systems. He is in the Directorate of Reliability Maintainability and Technology Policy HQ Air Force Logistics Command Dayton Ohio. Mr. Kosco holds a bachelor of engineering degree from Widener University a master's in systems engineering from The Air Force Institute of Technology and an MBA from the University of Texas at San Antonio. William Smith:is head of the Plans Branch in the Office of Policy and Plans Defense Electronics Supply Center (DESC) Dayton Ohio. He was for many years manager ofDESC's Diminishing Manufacturing Sources (DMS) Program. Mr. Smith holds a bachelor of arts degree in political science from Indiana University.

Both the timely manufacture of defense systems and their subsequent on-line operability depend upon the availability of component parts. The growing problem of microelectronic component nonavailability is casting a shadow over logistics support to these systems. This paper will discuss the causes of the problem and provide some examples of cases confronted by the DoD logistics community. It will also identify some actions which have been taken in the past to manage the issue as well as initiatives now underway. Finally it will look at what lies ahead.

关键词： Microelectronics

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sIMPLIFICATION OF GAs-TURBINE INTAKE ANTI-ICE systems

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NAVAL ENGINEERs JOURNAL 1988年第1期100卷 45-52页

作者： EXELL, JR KILLINGER, A LCdr. John R. Excell: USN received a bachelor of architecture from the University of Michigan and a master of science degree in mechanical engineering from the U. S. Navy Postgraduate School. He was commissioned in 1973 serving first as damage control assistant aboard USSGuadalcanal(LPH-7) and later as commissioning main propulsion assistant on USSMerrill(DD-976). He became an engineering duty officer in 1979 and served at Norfolk Naval Shipyard as senior ship superintendent for six ships and later within the shipyard Design Department. In May 1984 LCdr. Exell was assigned to the DD-963 Class Special Projects Office as program manager for air system improvements including the bleed air and anti-ice systems. He recently completed the Defense Systems Management College Ft. Belvoir VA and returned to NavSea PMS 377 as deputy for strategic sealift programs. Arthur Killinger:graduated from the University of Maryland in 1968 with a bachelor of science degree in mechanical engineering. He joined MPR Associates Inc. working on submarine safety design reviews following the loss of USSScorpion(SSN 589). After two years in the U.S. Army Nuclear Reactor Program and a year as U.S. Army engineer maintenance advisor in the Republic of Vietnam he returned to MPR Associates Inc. in 1972. Since then he has worked on nuclear power plant projects for several electric utilities as well as submarine and surface ship overhaul and maintenance improvement programs for the U.S. Navy. Mr. Killinger is a member of the American Society of Naval Engineers and the American Society of Mechanical Engineers.

This paper describes the steps taken to simplify the gas turbine intake anti-ice systems on DD-963 and DDG-993 class ships. The anti-ice system was designed and built as fully-automatic protection against intake duct icing on main propulsion turbines and electric generator turbines. Operating experience with the system indicated that it was nonfunctional more than 60% of the time. The system's poor availability was caused by its complexity, lack of use, lack of spare parts, poor training and documentation, and design and material problems. A Navy Independent Design Review Team (IDRT) reexamined the technical bases for installing an automatic anti-ice system and demonstrated that automatic control was not necessary for gas turbine intake duct anti-icing. A series of design review calculations and shipboard tests confirmed that anti-icing protection could be provided by manual control of installed butterfly valves feeding hot air to each turbine intake. The time from the IDRT design simplification recommendations to the first modification of the anti-ice system was less than one year. To date, half of the 30 of the 35 ships in the two classes have been modified. This system simplification will result in life cycle maintenance cost savings in excess of 13 million dollars. Future CG-47 class and DDG-51 class ships will include this simplified approach to anti-ice system design for gas turbine intakes.

关键词： GAs TURBINEs

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NAVAL sHIP DEsIGN - EVOLUTION OR REVOLUTION

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NAVAL ENGINEERs JOURNAL 1988年第3期100卷 40-52页

作者： TIBBITTs, BF KEANE, RG RIGGINs, RJ Captain Barry Tibbitts USN: was graduated from the U.S. Naval Academy in 1956 and subsequently served as a gunnery division officer in an attack aircraft carrier and as gunnery officer operations officer and chief engineer in two diesel submarines. He attended MIT from 1962–1965 earning a master of science in mechanical engineering and a naval engineers degree. Early assignments as an engineering duty officer included SRF Yokosuka CINCPACFLT staff and SupShip Pascagoula. From 1976 to 1987 he served in a variety of senior ship design assignments: CVV ship design manager director NAVSEC Hull and Ship Design Divisions director NavSea Ship Design Management and Integration Office commander David Taylor Naval Ship R&D Center and director NavSea Ship Design Group. Recently retired but recalled to active duty he is the professor of naval construction and engineering at MIT. He has received seven personal decorations including two Legion of Merit awards. Robert G. Keane Jr.:is currently the deputy director of the NavSea Ship Design Group. He has been employed by NavSea and its predecessor organizations for over twenty years. He is a graduate of The Johns Hopkins University from which he received his B.E.S. degree in mechanical engineering in 1962. He received his M.E. degree in mechanical engineering in 1967 from Stevens Institute of Technology and in 1970 his M.S.E. degree in naval architecture and marine engineering from the University of Michigan. Mr. Keane held increasingly responsible design positions involving ship arrangements hull equipment hull form and hydrodynamic performance before being selected in 1981 for the Senior Executive Service to be director of the Naval Architecture Subgroup. Following an assignment at the David Taylor Research Center as assistant for transition of ship engineering technology he served as director of the Ship Survivability Subgroup until assuming his current position in 1985. He is an active member of ASNE SNAME and ASE. Robert Riggins:received a B.S. in mechanical

some fairly radical changes to the naval ship design process occurred during the 1970s. The decade of the 80s has also witnessed a steady stream of changes. One of the most significant was the establishment of the ship Characteristics Improvement Board (sCIB) in the Office of the Chief of Naval Operations (OpNav), and the resulting influence on the dialog between the military requirements decision makers and the Navy's ship designers. Other changes have occurred for which the impacts are less clear. These include establishment of the chief engineer of the Navy (ChEng) position, creation of the space and Naval Warfare systems Command (spaWar) and OpNav's “Revolution at sea” initiative. This paper will describe and discuss these and other changes, and comment on the resultant impact. The authors will attempt to present a global view of the total pattern of changes and try to discern if we are on a path of revolution, or merely normal evolution.

关键词： NAVAL VEssELs

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AIR-CUsHION VEHICLEs FOR ARCTIC OPERATION

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NAVAL ENGINEERs JOURNAL 1988年第6期100卷 59-71页

作者： KOLEsER, J LAVIs, DR Jeffrey Koleser:was educated at the University of Michigan where in 1980 he earned his BSE in naval architecture and marine engineering. His professional career began with Gibbs & Cox Inc. New York City where he worked on the FFG-7 class ships for the U.S. Royal Australian and Spanish navies. In 1982 Mr. Koleser joined the Naval Sea Systems Command in the Preliminary Design Section (SEA-501) where he works today. Since then he has worked on the contract design of the DDG-51 the NFR-90 the Warfighting Improvement Program for the BB-61 class the FFG-7 class and the FF-1052 class ships. He has also worked on several CONFORM projects including the Arctic ACV. In addition to Mr. Koleser's formal education at the University of Michigan he is presently finishing up his studies at the off campus seminar of the Naval War College. David Lavis:was educated in Exmouth and Exeter Devon England. He began his professional career in air cushion vehicles with Saunders-Roe on the Isle of Wight in 1959. Initially as a student apprentice Mr. Lavis worked on many aspects of air cushion vehicle research design and construction. In 1966 he received a master of science degree from Cranfield Institute of Technology. A year later he joined Bell Aerosystems Buffalo New York and was engaged in the early design work for the SES-100B and the AALC Jeff(B). Mr. Lavis then joined the Aerojet General Corporation (AGC) in Sacramento and in 1972 he was appointed manager of technology for the AGC SES Division who were at that time testing the SES-100A and conducting the early design work for the 2KSES and AALC Jeff(A). Mr. Lavis has continued to support the U.S. Navy advanced ship programs. In 1977 together with Mr. E. G. U. Band he formed Band Lavis & Associates Inc. of Severna Park Maryland a company specializing in advanced marine technology.

The paper presents the results of the Navsea FY8s surface ship CONFORM Design study for an initial operational capability (IOC) year-2000 air cushion vehicle (ACV) suitable for logistics and for general search and rescue duties in the Arctic. The study is one of several design studies produced each year by the CONFORM program to provide OpNav with alternative feasible ship concepts for varying IOC dates and to provide R&D planners with feedback regarding R&D alternatives. Two complete feasibility designs were developed. The first design was developed with the aid of an ACV design synthesis math model. The second design evolved as a derivative of an existing U.s. production craft and, as such, offered a lower risk approach. The results of performance and cost trade-off studies are presented from which it is concluded that gas turbines are the preferred choice of power plants and aluminum alloy is the preferred choice of hull structural material. The most suitable skirt height was found to be approximately 12 ft.

关键词： Air Cushion Vehicles

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IMPROVEMENT OF ALGORITHM UsING INTERVAL ANALYsIs FOR sOLUTION OF NONLINEAR CIRCUIT EQUATIONs.

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Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi) 1987年第9期70卷 1-10页

作者： Okumura, Kohshi Kishima, Akira saeki, shuichi Faculty of Engineering Kyoto University Kyoto Japan 606 NTT Ltd. Chofu Japan 108 Shuichi Saeki graduated 1983 Dept. Electronic Eng. Fac. Eng. Kyoto University. Completed Master's program 1985 Graduate School and affiliated with NTT. Engaged in researches in interval analysis. Akira Kishima graduated 1951 Dept. Electrical Eng. Fac. Eng. Kyoto University. Completed Grad. School 1956. Assoc. Prof and presently Prof. Fac. Eng. (2nd Dept. Electrical Engineering) Kyoto University. Doctor of Engineering. Engaged in researches in electrical circuit power circuit and systems.

This paper describes an improvement of the solution by Krawczyk, Moore and Jones (KMJ algorithm) for nonlinear equations based on the interval analysis. When the KMJ algorithm is applied to practical problems such as the determination of the operating point of a multistable electronic circuit, a large computation time is required. It is shown that the algorithm can be improved in the computation time by a preprocessing and an elaboration in the region partitioning.

关键词： ELECTRIC NETWORKs, NONLINEAR

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U. s. NAVAL ACADEMY's NEW YARD PATROL CRAFT: FROM CONCEPT TO DELIVERY.

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Naval Engineers Journal 1987年第1期99卷 37-58页

作者： Compton, Roger H. Chatterton, Howard A. Hatchell, Gordon McGrath, Frank K. Roger H:. Compton is a Webb graduate who since 1966 has been a part of the naval architecture faculty at the U.S. Naval Academy. Since accepting the appointment to the Academy he has been instrumental in establishing the ABET accredited major program in naval architecture in the conceptual design and operation of the Naval Academy Hydromechanics Laboratory and in the conceptual design of the 108-ft yard patrol craft. Besides his Naval Academy involvement he serves as an adjunct professor with Virginia Polytechnic Institute in its NAVSEA Institute graduate program at Crystal City. He is an active member of both ASNE and SNAME and has published technical papers with both societies. Howard A. Chatterton:began his career as a Navy coop student at the Boston Naval Shipyard in 1960. He received his bachelor's degree in naval architecture and marine engineering from Massachusetts Institute of Technology in 1966 and his master's degree in 1968. He was employed by the Preliminary Design Division of BuShips in the submarine design and hydrofoil design groups until 1972 when he joined the Coast Guard's Naval Engineering Division. He remained with the Design Branch until 1981 when he accepted a faculty position at the U.S. Naval Academy as the research director for the Academy's hydromechanics laboratory. He has recently returned to Coast Guard Headquarters as the assistant chief Naval Architecture Branch Office of Merchant Marine Safety. Gordon Hatchell:is a naval architect at the Naval Sea Combat Systems Engineering Station Norfolk Virginia in the Combatant Craft Engineering Department. He served as lead-ship YP project engineer from its inception to delivery and continues to serve as project coordinator on follow-up ship procurements. He has worked on other boat procurements as well as serving as weight and stability coordinator. Mr. Hatchell began his engineering career in the Design Division at the Norfolk Naval Shipyard in Portsmouth Virginia after receiving a BS in civil engineering from Virginia Polytec

The design of the new 108-ft yard patrol craft (YPs) for the U. s. Naval Academy is described from its beginnings as a senior midshipman design project, through its preliminary and contract design development at the U. s. Navy's small craft design team headquarters, Naval sea Combat systems engineering station, Norfolk, Virginia (NAVsEACOMBAT-sYsENGsTA-Norfolk). During preliminary and contract design the Naval Academy Hydromechanics Laboratory (NAHL) provided experimental data to support NAVsEA-COMBATsYsENGsTA-Norfolk's design analyses in powering, seakeeping, and maneuvering. several tradeoff studies of interest to patrol craft designers are presented. Major events in the detail design and construction of the first boat are described from both the designer's and the shipbuilder's points of view. The launching, builder's and sea trials of the first boat are described.

关键词： NAVAL VEssELs

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NUMERICAL METHOD FOR ANALYZING TRANsIENT AND sTEADY sTATEs OF sINE WAVE OsCILLATOR CIRCUIT WITH sTIFFNEss.

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Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi) 1987年第10期70卷 1-11页

作者： Okumura, Kohshi Kishima, Akira Yasuda, Hisashi Faculty of Engineering Kyoto University Kyoto Japan 606 Kohshi Okumura graduated 1966 Dept. Electrical Eng. Fac. Eng. Kyoto University. Completed doctoral program 1971 Grad. School and Assistant Kyoto University. Doctor of Engineering. Presently Lecturer Dept. Electrical Eng. Engaged primarily in researches in nonlinear circuits lightning surge performance hysteresis characteristics and so forth. Member IEEJ IECEJ and IEEE. Hisashi Yasuda graduated 1981 Dept. Electrical Eng. Fac. Eng. Kyoto University. Completed Master's program 1983 Grad. School. Presently with Nippon Steel Co. Ltd. Member IECEJ. Nippon Steel Corporation Kitakyushu Japan 805 Akira Kishima graduated 1951 Dept. Electrical Eng. Fac. Eng. Kyoto University. Completed Grad. School 1956. Assoc. Prof. Presently Prof. Dept. Electrical Eng. Fac. Eng. Kyoto University. Doctor of Eng. Engaged in researches in electrical circuit power circuit and systems.

This paper proposes a method for analyzing the transient and steady states of a sine wave oscillator circuit with reactive elements which have large differences in their values. The circuit equation is represented by an autonomous nonlinear differential equation with the values of these elements. First, we describe the method for solving numerically the differential equation regardless of the stiffness by the asymptotic method developed by Krylov, Bogolyubov and Mitropolskiy. second, we present the method for obtaining solutions of the differential equation with regard to the stiffness by combining the asymptotic method with numerical integration.

关键词： OsCILLATORs

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sHIPBOARD sTOWAGE OF FLAMMABLE AND COMBUsTIBLE LIQUIDs

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NAVAL ENGINEERs JOURNAL 1986年第3期98卷 199-208页

作者： DROPIK, MV graduated from the University of Detroit in 1969 with a bachelor of science degree in mechanical engineering. He began his Navy career that year with the Naval Ship Systems Command PMS-382 Ship Acquisition Manager for Mine Patrol and Yardcraft. In 1971 he transferred to the General Arrangements and Habitability Design Branch of the Naval Ship Engineering Center. From 1971–1972 he attended graduate school at the University of California at Berkeley through the Navy's long-term training program and received his master's degree in industrial engineering. He currently heads the Auxiliary/Amphibious/Minecraft/Special Projects Branch of NAVSEA's Arrangements Design Division. His duties in this capacity include those of program manager of the U.S. Navy's flammable liquids program a position which he has held for the last eight years. His experience encompasses the general arrangements habitability storeroom and office design of aviation auxiliary amphibious mine warfare and high performance ships and craft.

The uncontrolled proliferation of flammables and combustibles aboard ship, in addition to posing an obvious fire and explosive hazard, has seriously degraded the survivability and increased the vulnerability characteristics of U.s. Navy surface ships. This problem for the most part has been superficially attributed to a widespread shortage of flammable and combustible stowage capacity. As a result, current solutions have been limited to increasing stowage capacity through additional storerooms and development of more efficient stowage aids. Unfortunately, these solutions simply address the symptoms, are of a corrective nature, and do not eliminate the fundamental causes of the problem. The paper conducts a more systematic and comprehensive investigation into identifying and resolving the flammable liquids problem by considering it from a ship life cycle perspective. In this way, the problem is shown to be the resultant accumulation of a number of causes which occur during a ship's design, construction, and operational phases, and which collectively manifest themselves as a major shortage of flammable and combustible liquid stowage space aboard current fleet ships. Actions are then formulated to eliminate or counteract these fundamental causes, and validated by application to a hypothetical case study.

关键词： NAVAL VEssELs

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master ORDNANCE REPAIR APPLIED - sTANDARD ITEM 009-67

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NAVAL ENGINEERs JOURNAL 1986年第3期98卷 35-42页

作者： sTIMsON, WA MARsH, MT UTTICH, RM William A. Stimsonreceived his B.S. degree in mathematics from the University of Texas at El Paso in 1964 and his M.S. degree in engineering from the University of Santa Clara in 1971. He served in the U.S. Army Artillery during the Korean Conflict and subsequently was employed at IBM Huntsville Alabama until 1968 where he worked in the design of automatic control systems of the Saturn vehicle. From 1968 until 1971 he was employed at Ames Research Center Moffett Field in the design of nonlinear control systems for sounding rockets and pencil-shaped spacecraft. Following this Mr. Stimson worked at Hewlett Packard Sunnyvale California as a test engineer in automatic test systems. Since 1973 Mr. Stimson has been employed at the Naval Ship Weapon Systems Engineering Station Port Hueneme. He was a ship qualification trials project supervisor for many years and is now serving as master ordnance repair deputy program manager. Mr. Stimson is a member of the American Society of Naval Engineers and is program chairman of the Channel Islands Section. Cdr. Michael T. Marsh USNreceived a B.S. in mathematics from the University of Nebraska and was commissioned via the NESEP program in 1970. He holds an M.S. in computer science from the U.S. Navy Postgraduate School and an MBA from the State University of New York. Cdr. Marsh has served in the weapons department of USSFrancis Hammond (FF-1067) and of USSJohn S. McCain (DDG-36). He was weapons officer aboard USSSampson (DDG-10). As an engineering duty officer Cdr. Marsh was the technical design officer for PMS-399 at the FFG-7 Class Combat System Test Center from 1978 to 1982. He is presently combat system officer at SupShip Jacksonville and has been active in the MOR program since its inception. Cdr. Marsh is also the vice chairman of the Jacksonville Section of ASNE. LCdr. Richard M. Uttich USNholds B.S. and M.S. degrees in mechanical engineering from Stanford University. He enlisted in the Navy in 1965 serving as an electronics technician aboard USSNereus (A

The 600-ship United states Navy offers private shipyards an unprecedented opportunity for overhaul of surface combatants with complex combat systems. Recognizing the new challenge associated with the overhaul of high technology combat systems in the private sector, the Navy in 1983 established the master ordnance repair (MOR) program. This program, a joint effort of the Naval sea systems Command (NAVsEA) and the shipbuilders Council of America (sCA), was designed to identify and qualify those companies and private shipyards technically capable of managing combat systems work and conducting combat system testing. standard Item 009–67 describes the role of the MOR company in combat system overhaul. It defines terms that are important to understanding the item itself, and imposes upon the prime contractor an obligation to utilize the MOR subcontractor in a managerial capacity. specific tasks are assigned to the MOR company in planning, production, and testing. Finally, this standard item describes to the Navy planner how to estimate the size of the MOR team appropriate to the work package, a feature that will ensure that combat system bids are tailored to a specific availability.

关键词： WARsHIPs

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COMBAT sYsTEM INDUsTRIAL-TEsTING - MEAsUREMENT OF sUCCEss

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NAVAL ENGINEERs JOURNAL 1986年第5期98卷 47-57页

作者： TREssLER, DL HART, JB Dennis L. Tresseler is currently combat system test team leader for the combat systems test and evaluation branch of the Naval Sea Systems Command (SEA 61 × 11). Mr. Tresseler graduated in 1972 with a degree in mechanical engineering technology. He began his career at Newport News Shipbuilding in 1972 where he was a test director responsible for weapon system installation alignment and testing in CGN-36 thru 40 and CVN-68 and 69. In 1977 he came to the Washington area and worked for various contractors in technical and managerial positions before coming to NA VSEA in 1981. He is a member of the Naval Institute and his paper on “FF-1041 Class Modernization” has been accepted for publication in the Proceedings. J.B. Hart is currently the senior program manager combat systems for VSE Corporation headquartered in Alexandria Virginia. He is the program manager for VSE's master ordnance repair (MOR) team. His previous position was with COMPTEK Research Inc. Virginia Beach as senior combat systems engineer. Mr. Hart earned his BS degree from the University of New York in general engineering. He retired as chief ordnance control warrant officer after 22 years of service in 1982. While on active duty he served in various combat systems capacities since 1968 the most noteworthy of which were as ship's combat systems test officer/fire control officer on USS Belknap (CG-26) bringing her back into commission through major reconstruction and as combat system chief onboard USS Albany (CG-10) assisting in test and delivery of the first NTDS model 4.0 software program as well as numerous control systems updates both software and hardware.

This is an overview of the combat system test and certification (CsT&C) program as a subset of the total ship test program (TsTP) for active fleet surface ships. The paper will discuss how the T&C program measures not only the suitability of repairs and modifications done during a ship's combat system industrial availability in a public or private yard period, but also the impact that successful program conduct has on the materiel effectiveness throughout a ship's operational cycle. The CsT&C management organization and responsibilities, including NAVsEA's master ordnance repair program as well as combat system code 190's relationship to the CsT&C program and the impact of pre- and post-industrial testing requirements on the actual conduct of industrial testing will be addressed.

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