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A study of flame arrestors in piping systems. Even officially approved flame arrestors must be used only under the exact conditions for which they were tested and approved

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Process Safety Progress 1983年第1期2卷 5-12页

作者： G. L. Broschka I. Ginsburgh R. A. Mancini R. G. Will Amoco Oil Co. Naperville Ill. Gregory L. Broschka is currently a Specialist in Industry Supply Analysis with the Standard Oil Company (Indiana). He holds an M.S. degree in Chemical Engineering from Northwestern University and has been employed by Standard or its subsidiary companies for 8 years. While he was with the Amoco Oil Company Research Department he conducted research in flammability and flame propagation synthetic fuels and leak detection technology. Irwin Ginsburgh is a Senior Research Associate with the Amoco Oil Company Research and Development Department with whom he has been employed for 31 years. He holds a PhD in Physics from Rutgers University and has conducted extensive research in gas phase detonations and static electricity. Current research interests include unconfined vapor cloud explosions vapor recovery and advanced energy sources. He holds 42 patents has been awarded four IR 100 awards and has published numerous articles and one book. Robert A. Mancini is a Research Supervisor and Process Safety Specialist with the Amoco Oil Company Research and Development Department. He holds a PhD in Chemical Engineering from Northwestern University and has conducted research in reaction kinetics process safety environmental conservation and probability analysis related to process safety and equipment reliability. He is a member of the Static Electricity and Fire Safety Engineering Subcommittees of the American Petroleum Institute Committee on Safety and Fire Protection and is a member of the NFPA Explosion Protection Systems Technical Committee. Robert G. Will is Director of the Engineering and Environmental Research Division of Amoco Oil Company Research and Development Department and has been employed by Amoco Oil or its subsidiary companies for 29 years. He is a mechanical engineering graduate from Purdue University and has conducted research in oil spill control process safety and burner design. He holds five patents has been awarded an IR 100 award and is a Registered Profession

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Coordinated control and its implementation

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Process Safety Progress 1982年第2期1卷 85-90页

作者： C. S. Lin T. H. Tsai J. W. Lane Tenneco Inc. Houston Texas 77001 Cheng S. Lin:was born in Taiwan and received a BS in Mechanical Engineering at Cheng Kung University. He came to the Rensselaer Polytechnic Institute in 1959 where he received a MME in Mechanical Engineering in 1962 and a PhD in Mechanical Engineering in 1966 He spent three years at West Virginia Pulp and Paper Co. in Process Control Research three years at TRW Inc. Systems Group on the Apollo program and nine years at Bonner and Moore Assoc. installing process control systems worldwide. He joined the Operations Technologies Department of Tenneco Inc. as a Consulting Engineer in June 1980. He is a US citizen and a member of IEEE. Thomas H. Tsai:is a Managing Engineer of the Operations Technologies Department of Tenneco Inc. He is a Registered Professional Engineer in the State of Calif. and is a Member of AIChE and a Senior Member of ISA. He received a BS degree in Chemical Engineering at Tunghan University of Taiwan and attended graduate school at Oklahoma State University. James W. Lane:received a BE and MS in Chemical Engineering from the University of Southern California. He is a Registered Professional Engineer in the States of Tex and Calif. and is a Member of the AIChE Senior Member of the IEEE and Senior Member of the SME. For the last seven years he has been Director of the Operations Technologies Department of Tenneco Inc. a cooperate engineering group providing expertise in advanced control technology for process control energy management and environmental monitoring systems.

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MULTIVARIABLE control-SYSTEM FOR 2-BED REACTORS BY THE CHARACTERISTIC LOCUS METHOD

INDUSTRIAL & ENGINEERING CHEMISTRY FUNDAMENTALS

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INDUSTRIAL & engineering CHEMISTRY FUNDAMENTALS 1980年第1期19卷 109-117页

作者： FOSS, AS EDMUNDS, JM KOUVARITAKIS, B Engineering Department Control and Management Systems University of Cambridge Cambridge CB2 1RX United Kingdom Department of Chemical Engineering University of California Berkeley Calif. 94720 United States

A three-input multivariable control system is developed for the regulation of the product concentration and temperature of a two-bed exothermic catalytic reactor. Two of the inputs are the flow rate and temperature of a quench stream injected between the beds;the third input is the feed temperature. Through the use of the characteristic locus method of control system analysis, a cascade of dynamic compensators is developed by which interaction among variables is suppressed and the effects of feed concentration disturbances are controlled. In this development, an analysis is made of the potential improvements in performance accruing from the use of internal bed temperature measurements. The system also has the feature of resetting the quench flow rate to Its nominal value upon sustained system disturbances. © 1980, American chemical Society. All rights reserved.

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OVERCURRENT PROTECTION AND WEAPON SYSTEM ELECTRICAL-POWER MANAGEMENT USING SOLID-STATE POWER controlLERS

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NAVAL ENGINEERS JOURNAL 1979年第1期91卷 42-46页

作者： FRAZER, RA The Author received his BS degree in Electrical Engineering from Duke University in 1965. Prior to joining the System Engineering Branch of the AEGIS Ship Combat System Division. Naval Surface Weapons Center INSWC) Dahlgren Va. he had experience in various projects involving Fire Control Systems. Electro-Optics and Hazards of Electromagnetic Radiation to Ordnance (HERO). In addition he has developed a Laser Tracking & Ranging System for the NS WC Rocket Range: led an Installation Team in the deployment of electro-optical devices aboard ship during the Vietnam conflict tested and evaluated infrared techniques for advance warning of chemical warfare agent attack designed and developed a Fire Control System for a surface-launched laser-guided missile ISMARTROC) prepared the Technical Plan for the Light-weight Weapon Fire Control-System and participated in a variety of programs directed toward upgrading the capabilities of the Navyi Gun Fire Control Systems Mk86. Mk68. Mk56 and Mk63. Mr. Frazer also holds U.S. Patents on an Optical Target Position Indicator on Laser Ranging with Polarization Modulation: on a Laser Projectile Detection System: and on a Multi-Spectral Optical Comparator.

Modern weapons systems are complex and highly sophisticated. They must respond t o enemy attack in seconds. However, the hundmds o f electrical overcurrent protection devices required can adversely affect the survivability of weapons systems and ships. Small, low-current circuit breakers trip when exposed to high-impact shock. Both circuit breakers and fuses require manual repctions to restore protected elements to the operational state; circuit breakers must be reset and fuses must be replaced. The regular design review process for the AEGIS Weapon System Identified Mpping of circuit breakers in AN/SPY-1A radar electronics cabinets during shock tests as a potential problem area. Plans hnve been submitted that caU for extensive utilization of new electronics technology and the employment of new EIccMcal Power Management (EPOM) Concepts. Low-current solid-state electrodc devices developed for the AIR FORCE and NASA should provide the answer to shock-tripping problems and also eliminate many time-consuming manual responses. A computer-controlled EPOM network can automatically switch elecMcal power to hundreds of weapon-system circuit elements. This concept offers many advantages, all of which improve the survivability of U.S. NAVY ships in the battle environment.

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Abstracts

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Environmental Management 1977年第1期1卷 67-96页

作者： Frankenfeld, John W. Schulz, Wolfgang McMurty, George J. Petersen, Gary W. May, G. A. Hering, F. S. Schwartz, J. I. Heywood, J. B. Chigier, N. A. Grohse, E. W. Walker, J. D. Colwell, R. R. Petrakis, L. Pergament, H. S. Thorpe, R. D. Schoepf, Richard W. Krzyczkowski, Roman Henneman, Suzanne S. Hudson, Charles L. Putnam, Evelyn S. Thiesen, Donna J. Parks, G. A. McCarty, Perry L. Leckie, J. O. Schrumpf, Barry J. Simonson, G. H. Paine, D. P. Lawrence, R. D. Pyott, W. T. Leh, M. Elders, W. Combs, J. Caplen, T. Harrison, F. L. Wong, K. M. Heft., R. E. Charnell, Robert L. Lehmann, Edward J. Mallon, Lawrence G. Hatfield, Cecile Adams, Gerald H. Johanning, James Talvitie, Antti Noll, Kenneth E. Miller, Terry Smiarowski, Joseph F. Willis, Cleve E. Foster, John H. Schlesinger, Benjamin Daetz, Douglas Lear, Donald U. Smith, Mona F. Hundemann, Audrey S. Crockett, Pernell W. Werner, Kirk G. Carroll, Thomas E. Maase, David L. Genco, Joseph E. Ifeadi, Christopher N. Lowman, F. G. Christensen, S. W. Van Winkle, W. Mattice, J. S. Harrison, Elizabeth A. Barker, James C. Chesness, Jerry L. Smith, Ralph E. Shaheeen, Donald G. Raney, R. Keith Borton, T. Wezernak, C. T. Raney, R. K. Sherwani, Jabbor K. Moreau, David H. Eisenberg, Norman A. Lynch, Cornelius J. Breeding, Roger J. Johnson, J. D. Foster, K. E. Mouat, D. A. Clark, R. Hyden, John William Owen, Wilfred Bayfield, Neil G. Barrow, Graham C. Stolz, Stephanie B. Wienckowski, Louis A. Brown, Betram S. Keyfitz, Nathan Wilson, W. L. Newman, Peter W. G. Bammi, Deepak Bammi, Dalip Goddard, James E. Chisholm, Tony Walsh, Cliff Brennan, Geoffrey Thompson, K. S. Richardson, R. Jensen, Clayton E. Brown, Dail W. Mirabito, John A. Cowing, Thomas G. Binghamton, Suny Siehl, George H. Albrecht, O. W. Alexander, Ariel Barde, Jean -Philippe Darby, William P. McMichael, Francis Clay Dunlap, Robert W. Muckleston, Keith W. Frankenhoff, Charles A. Giulini, Lorenzo T. Wyatt, T. Black, Peter E. Keating, William Thomas Leonard, M. E. Fisher, E. L. Brunelle, M. F. Dickinson, J. E. Pethig, Rudiger Clapham Exxon Research & Engineering Co. Linden Government Research Lab Coast Guard Washington D.C. Department of Transportation Washington D.C. Office For Remote Sensing of Earth Resources. NASA Earth Resources Survey Program Pennsylvania State University Washington D.C. Department of the Navy Washington D.C. Cambridge. Dept. of Mechanical Engineering Massachusetts Inst. of Technology USA Huntsville. School of Graduate Studies and Research Alabama Univ. USA Dept. of Microbiology. Office of Naval Research Maryland Univ. Arlington Research and Development Co. Pittsburgh AeroChem Research Labs. Inc. Princeton Dept. of the Interior Office of Library Services. Bibliographic Series (Final) Washington D.C. Interplan Corp. Santa Barbara Urban Mass Transportation Adm. Washington D.C. Naval Underwater Systems Center Newport Calif. Mercury Project. National Science Found Stanford Univ Washington D.C. Div. of Advanced Environmental Research & Tech. USA Corvallis. NASA Earth Resources Survey Program Oregon State Univ. Washington D.C. Riverside. Inst. of Geophysics and Planetary Physics National Science Foundation California Univ. Washington D.C. Livermore Lawrence Livermore Lab. California Univ. USA Atlantic Oceanographic and Meteorological Labs. National Oceanic and Atmospheric Administration Miami National Technical Information Service Springfield Miami Univ. Coral Gables School of Law National Oceanic and Atmospheric Administration Rockville National Academy of Sciences Office of Sea Grant Washington D. C. School of Law National Oceanic and Atmospheric Administration Office of Sea Grant. Rockville Norman. Dept. of Civil Engineering and Environmental Science. Urban Mass Transportation Administration Oklahoma Univ. Washington D. C. Knoxville.Dept. of Civil Engineering. Federal Highway Administration Tennessee Univ. Washington D. C. Amherst.Water Resources Research Center. Office of Water Research and Technology Massachusetts Univ. Washington D. C. Calif. Dept. of Industria

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Use of mathematical experiment planning methods to construct a model of the operation of a tableting machine feeder

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Pharmaceutical Chemistry Journal 1976年第2期10卷 256-260页

作者： Veksler, M.A. Slobodchikova, R.I. Central Technological Planning Bureau for Automatic Control Systems of the Medical Industry Moscow Institute of Chemical Engineering Moscow Russian Federation

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Reply to the letter of Sheng-Tai Lee

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chemical engineering Science 1976年第12期31卷 1223-1223页

作者： Wu, Yun-Tai Zakian, Vladimir Graves, David J. UCC Chemicals and Plastics Division Bound Brook NJ United States Control Systems Centre University Manchester Institute of Science and Technology Manchester England United Kingdom Department of Chemical Biochemical Engineering University of Pennsylvania Philadelphia PA United States

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Identification and direct digital stochastic control of a continuous stirred tank process

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The Canadian Journal of chemical engineering 1975年第2期53卷 211-216页

作者： Hong, Huynh Man Macgregor, John F. Department of Chemical Engineering Mcmaster University Hamilton Ontario Canada Engineering and Systems Division Process Control Dept Arvida Quebec Alcan Canada

Several aspects associated with the identification and direct digital stochastic control of a steam‐jacketed continuous stirred tank process are investigated. Using data collected under closed‐loop conditions by an on‐line mini‐computer, statistical modelling procedures are used to identify, fit and check a discrete dynamic‐stochastic model for the process and its disturbances. Based on these models an optimal stochastic feedback controller is implemented using the minicomputer. A practical modification of this optimal controller is suggested and the modified stochastic controller is implemented and its performance is evaluated. Copyright © 1975 Canadian Society for chemical engineering

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DIFFUSION OF ACETIC-ACID DIMERS AND THEIR HOMOMORPHS

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JOURNAL OF PHYSICAL CHEMISTRY 1972年第17期76卷 2463-&页

作者： DULLIEN, FAL SHROFF, GH Department of Chemical Engineering University of Waterloo Waterloo Ont. Canada School of Chemical Engineering Purdue University University of Waterloo Control Systems Research Inc. Arlington VA United States

The interdiffusion coefficient attributed to the acetic acid dimer in infinitely dilute CCl4 solutions is significantly greater than the interdiffusion coefficients found in the case of various homomorphs of the dimer...

The interdiffusion coefficient attributed to the acetic acid dimer in infinitely dilute CCl₄ solutions is significantly greater than the interdiffusion coefficients found in the case of various homomorphs of the dimer. Homomorphs of the cyclic dimer investigated were N,N′-dimethylpiperazine, 2,5-dimethylpiperazine (cis), 5-ethyl-2-methylpyridine, and 1,4-dimethylcyclohexane (trans). Homomorphs of the open dimer investigated were 2,5-dimethylhexane, isobutyl acetate, and acetylacetone. Explanation for the observed behavior is offered in terms of the greater flexibility of the dimer as compared with the homomorphs. The two monomers are presumed to swing about the axis formed by the two hydrogen bonds with relative freedom. The resulting segmental type of motion of the dimer may be expected to meet with less resistance.

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MANUAL control OF A SMALL SUBMARINE

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NAVAL ENGINEERS JOURNAL 1969年第1期81卷 133-&页

作者： RAWLING, AG JOHNSON, NL Arnold George Rawlings was born 20 December 1921 in Luke Maryland. He received both a Bachelor's degree in Chemical Engineering and a Master's degree in Applied Mathematics from the University of Maryland. He served overseas as an LST officer in the Amphibious Forces of the United Navy participating in the Pacific campaigns of World War II. His professional experience includes theoretical mechanics at the Naval Ordnance Laboratory at White Oak (1949-52) digital computer design and large scale air defense system engineering at MIT (1952-54) Navy interceptor missile guidance and control system design at the Johns Hopkins Applied Physics Laboratory (1954-60) flight dynamics and currently submarine simulation as a consulting engineer with the General Electric Company. He is a member of the AIAA and Sigma Xi and is author of the papers “Automation and the Scientific Laboratory from a Systems Viewpoint” “Passive Determination of Homing Time” and “On Non-Zero Miss Distance.” Norman L. Johnson was born on 3 December 1937 in Three Falls Michigan. He received a Bachelor's degree in Engineering Physics (1959) from Michigan Technological University and is currently studying towards a Master's degree. His professional experience at the General Electric Company includes analog and hybrid simulation engineering applications up to 1967. Since then he has held the post of Supervisory Engineer in the same area. Problems investigated during the past nine years include the body dynamics and control system design for interceptor missiles re-entry vehicles satellites and for the last two years submarines. He is co-author of the publication “Temperature Generated by the Flow of Liquids in Pipes.”

In designing the man-multiloop control system for a small submersible, many different types of terminal equipment for manual intervention can interface with the human operator, including handlebars, wheels, joysticks and pedals. The proper choice of the means to control the boat in attitude and steering, as well as the actual implementation, constitute a major human factors design problem. This paper discusses a particularly promising concept of manual control that has shown superiority over several alternatives, and decribes the real-time simulation employed in verifying its advantages.

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