Browsing by Author "Turbomachinery Symposium (29th : 2000)"
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Turbomachinery Symposium (29th : 2000) (Texas A&M University. Turbomachinery Laboratories, 2000)
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Wilcox, Ed (Texas A&M University. Turbomachinery Laboratories, 2000)Even though dry gas seals for centrifugal compressors are becoming more popular, knowledge and understanding of oil seals and their associated support systems are still very important. Many existing compressors still have ...
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Kushner, Frank; Richard, Shawn J.; Strickland, Robert A. (Texas A&M University. Turbomachinery Laboratories, 2000)One of the most difficult diagnostic problems for centrifugal compressors is fatigue failure of an impeller, especially those with covers. The structure of a covered impeller is inherently resistant to alternating forces ...
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Gupta, Shailendra K.; McCormick, Chris L.; Melcher, Charles W.; Schalk, Jeffrey L. (Texas A&M University. Turbomachinery Laboratories, 2000)A Midwest refinery realized significant gains in hydrocracker throughput and to its bottom line by debottlenecking its hydrogen makeup compressors. Maintaining and even improving compressor reliability and operating ...
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Kummlee, Horst; de Groot, Wim H.; Lenderink, Gerrit M.; Shultz, Richard R. (Texas A&M University. Turbomachinery Laboratories, 2000)In the Northern Netherlands, after more than 30 years of production, the pressure of the gigantic Groningen onshore gas field is gradually decreasing, requiring up to 500 MW compression over the next 30 years to fulfil ...
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DeBlock, Mark (Texas A&M University. Turbomachinery Laboratories, 2000)The design of a 66,000 hp electric motor to drive an air compressor presented significant design challenges. Using conventional assumptions in assessing the bearing support and foundation stiffness yielded a scenario where ...
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Wagner, Norbert G.; de Jongh, Frits M.; Moffat, Robert (Texas A&M University. Turbomachinery Laboratories, 2000)This paper explains the design and testing of a high-pressure centrifugal compressor. It also covers commissioning and field experience. Importance issues for high-pressure compressors are highlighted in the paper in general ...
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Edney, Stephen L.; Lucas, George M. (Texas A&M University. Turbomachinery Laboratories, 2000)Steam turbines first produced useful work well over a century ago. Their reliability, efficiency, and versatility are possibly the three man attributes that have contributed to their widespread utilization in a wide range ...
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Turbomachinery Symposium (29th : 2000) (Texas A&M University. Turbomachinery Laboratories, 2000)
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Wilkes, Joseph J.; Decamillo, Scan M; Kuzdzal, Mark J.; Mordell, James D. (Texas A&M University. Turbomachinery Laboratories, 2000)This paper discusses a newly found high speed, light load hydrodynamic tilting-pad thrust bearing phenomenon was first witnessed on centrifugal compressors operating above 10,000 rpm. Testing results have shown that in ...
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Gupta, Shailendra K.; Boomer, David L.; Fulton, Lynn C. (Texas A&M University. Turbomachinery Laboratories, 2000)The hot gas expander (PRT) is an integral part of the refinery’s fluid cat cracker unit’s PRT train. Since 1995, the PRT has experienced four unplanned outages due to blade and steam baffle bolting failures. These failures ...
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Li, Jiming; Kushner, Frank; DeChoudhury, Pranabesh (Texas A&M University. Turbomachinery Laboratories, 2000)The rotordynamic and leaking characteristics of two types of gas damper seals, honeycomb seal and pocket damper seal, were experimentally evaluated on a rotating test rig. The effect of supply pressure, preswirl, and seal ...
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Kurz, Rainer; Brun, Klaus (Texas A&M University. Turbomachinery Laboratories, 2000)The power and efficiency characteristics of a gas turbine are the result of a complex interaction of different turbomachines and a combustion system. This tutorial addresses the basic characteristics of each of the components, ...
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Meher-Homji, Cyrus B. (Texas A&M University. Turbomachinery Laboratories, 2000)This paper presents a comprehensive treatise of the antecedents, evolution, developments, and inventions relating to turbomachinery from early paddle wheels to modern turbojets emphasizing the constant challenge, failures, ...
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Lvov, Evgenia; Norsworthy, Donald (Texas A&M University. Turbomachinery Laboratories, 2000)The practice of rejuvenating reheat treatments, with and without hot isostatic pressing (HIP), has been successful in restoring severely overaged gas turbine blade microstructure and alloy properties to a nearly “as-new” ...
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Beaty, Peter J.; Eisele, Klaus; Maceyka, Thomas D.; Schwarz, Carl L. (Texas A&M University. Turbomachinery Laboratories, 2000)Integrally geared (IG) centrifugal compressors, originally developed for plant and instrument air service, continue to gain acceptance in process gas applications as an alternative to other types of centrifugals, and in ...
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Greenwood, Stuart A. (Texas A&M University. Turbomachinery Laboratories, 2000)The need to control exhaust emissions from stationary power sources is dictated by environmental regulations that limit the amount of smoke (particulates), sulfur dioxide, carbon monoxide, hydrocarbons, and oxides of ...
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Evans, B. Fred; Mccraw, James F.; Elliott, Greg (Texas A&M University. Turbomachinery Laboratories, 2000)Test stand vibration measurements on a partially loaded 54,000 hp, parallel shaft, double helical speed increaser revealed synchronous resonant vibrations near normal operating speed. Further testing confirmed the lateral ...
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Sasaki, Tomoyoski; Hata, Satoshi; Kobayashi, Masahiro; Isumi, Osamu (Texas A&M University. Turbomachinery Laboratories, 2000)Recently, large capacity ethylene plants have been constructed in the world and the trend for the capacity of these plants is increasing. At present it reaches up to about one million tons per year and more. Accordingly, ...
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Sorokes, James M.; Marshall, D. Fred (Texas A&M University. Turbomachinery Laboratories, 2000)There are several sources of nonsynchronous forced vibration of centrifugal compressor rotors. Many of them are aerodynamic phenomena, created within the gas path of the compressor. Phenomena such as impeller stall, diffuser ...