Relevant bibliographies by topics / Theory of engines

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Theory of engines'

Author: Grafiati
Published: 30 May 2022
Last updated: 19 July 2025

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Journal articles on the topic "Theory of engines"

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Wang, Meng-Hui, and Pi-Chu Wu. "Fault Diagnosis of Car Engine by Using a Novel GA-Based Extension Recognition Method." Mathematical Problems in Engineering 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/735485.

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Due to the passenger’s security, the recognized hidden faults in car engines are the most important work for a maintenance engineer, so they can regulate the engines to be safe and improve the reliability of automobile systems. In this paper, we will present a novel fault recognition method based on the genetic algorithm (GA) and the extension theory and also apply this method to the fault recognition of a practical car engine. The proposed recognition method has been tested on the Nissan Cefiro 2.0 engine and has also been compared to other traditional classification methods. Experimental res
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Li, Xi Qin, Su Yan Cai, Bing Liu, and Xue Qun He. "Study on Emission Control of CNG Engine Based on D-S Evidence Theory." Applied Mechanics and Materials 109 (October 2011): 281–84. http://dx.doi.org/10.4028/www.scientific.net/amm.109.281.

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To reduce emissions, CNG engines are commonly equipped with three-way catalytic converters. However when the engines run at transient conditions, the air fuel ratio can not be precisely controlled at theoretical value by traditional means, so the catalytic converters can not achieve their desired effect. This paper presents a new method for CNG engines to control air fuel ratio at transient conditions. The moments which intake and exhaust valves open are used as the trigger signals for ECU to collect the test data simultaneously. The dynamic information of CNG engine is detected by multiple se
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Anisimov, Victor, and Vasyl Muzychuk. "DETERMINATION OF RESIDUAL FUEL RESOURCE AUTOTRACTOR DIESEL EQUIPMENT BY MATHEMATICAL MODELING WITH METHOD APPLICATION SMALL DEVELOPMENTS." ENGINEERING, ENERGY, TRANSPORT AIC, no. 3(110) (October 30, 2020): 4–15. http://dx.doi.org/10.37128/2520-6168-2020-3-1.

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The reliability of automotive internal combustion engines is a function of the reliability of their mechanisms and systems. For many years, domestic and foreign engineers have tested many auto-tractor internal combustion engines and it has been proven that if mathematical models reliably describe physical phenomena, cycles or processes that take place in engines, then the theory of small deviations for theoretical research is much better than any experiment on control characteristics and many second parameters The theory of small deviations for fuel equipment of autotractor diesel engines is c
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Nambiar, K. K. "Theory of search engines." Computers & Mathematics with Applications 42, no. 12 (2001): 1523–26. http://dx.doi.org/10.1016/s0898-1221(01)00259-0.

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Wei, Kaixiang. "Turbofan and turbojet engines: Working process and future development." Theoretical and Natural Science 12, no. 1 (2023): 114–19. http://dx.doi.org/10.54254/2753-8818/12/20230447.

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This article is based on the fundamental thermodynamics theory to analyze the difference between the turbojet and turbofan engines. The result of this article is that the turbofan engine is suitable for commercial use since it consumes less fuel and has a higher bypass ratio than the turbojet engine. But low bypass ratio engines can serve the military since they have a smaller volume and higher speed, suitable for air combat. The turbojet engine can travel at a supersonic speed since it has extremely high jet flow from the nozzle and much higher fuel consumption, so it is for military use. Thi
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ANDREI, Irina-Carmen, Mihai Victor PRICOP, Mihai Leonida NICULESCU, et al. "COMPARATIVE ANALYSIS FOR PERFORMANCE PREDICTION IN CASE OF IAR 99 AIRCRAFT PROPULSION SYSTEMS." SCIENTIFIC RESEARCH AND EDUCATION IN THE AIR FORCE 25 (July 31, 2024): 152–67. http://dx.doi.org/10.19062/2247-3173.2024.25.18.

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This paper presents a comparative analysis regarding Performance Prediction at Design and Off-Design Regimes, applied for two distinct constructions of Jet Engines as Propulsion Systems solutions for the IAR 99 Aircraft. Case Study #1 is represented by Turbojet Engine Rolls Royce VIPER MK 632-41 and Case Study #2 is represented by a Mixed Flows Turbofan Engine. The thorough study is based on appropriate Applicable Theory, which is detailed in the bibliographic references and can be accessed. Applicable Theory includes a part dedicated to Engine Parameter Identification, which is necessary to c
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Karmakar, Ronit. "Efficiency of AdS-RN Black Holes as Heat Engines in the Framework of Rastall Gravity." Journal of Physics: Conference Series 2957, no. 1 (2025): 012005. https://doi.org/10.1088/1742-6596/2957/1/012005.

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Abstract We compute the efficiencies of AdS-Reissner-Nordstrom black hole surrounded by quintessence, as heat engines in the framework of Rastall gravity. For this purpose, we construct a conventional heat engine system out of a black hole and tried to analyse the influence of various parameters of the theory on the efficiency of the engine. We also compared the obtained efficiencies with the carnot efficiency which is the maximum efficiency that is achievable for any heat engine. It was found that the parameters of the theory namely the charge q, rastall parameter β and structure constant Ns
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O'Reilly-Shah, Vikas N. "Delay Coordinate Embedding as Neuronally Implemented Information Processing: The State Space Theory of Consciousness." Journal of Consciousness Studies 32, no. 1 (2025): 127–59. https://doi.org/10.53765/20512201.32.1.132.

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This paper introduces the state space theory of consciousness, positing that the cortex processes information through delay coordinate embedding operationalized by recurrent neural network engines. This leverages the power of Takens' theorem, giving rise to representations of reality as points within state space. Consciousness is posited to arise at the highest order engines amongst hierarchical and parallel engine pathways. Consciousness is cast as a dynamic process rather than as a neuronal state, reconciling dualist intuitions with a monist perspective. Neuronal representations develop uniq
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Bilousov, E. V., and P. Billier. "FRENCH ENGINEER SABATHE LOUIS GASTON AND HIS ROLE IN CREATION OF DUAL COMBUSTION CYCLE." Internal Combustion Engines, no. 1 (July 26, 2021): 92–98. http://dx.doi.org/10.20998/0419-8719.2021.1.12.

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Almost immediately after Rudolph Diesel created his "rational" engine, attempts were made to improve it. Since at the end of the nineteenth and the beginning of the twentieth century, the theory of internal combustion engines had not yet been formed as a unified scientific system, there were no unified approaches to assessing the innovations proposed by individual engineers and scientists either. In this regard, disputes and litigations periodically arose related to the recognition of priority for a specific design or the proposed principle of work for a specific author. First of all, this was
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Bi, Shu Sheng, Shi Xing Fang, and Shi Hao Wang. "Electromagnetic Propulsion Aero-Engine Design Based on Ampere Theorem." Applied Mechanics and Materials 411-414 (September 2013): 1773–78. http://dx.doi.org/10.4028/www.scientific.net/amm.411-414.1773.

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This paper means to provide an innovative design of aero-engine after investigating existing aero-engines. It is a late model power plant design which is based on the watercraft electromagnetic propulsion technology and the theory that in electromagnetic field magnetic field generates Ampere force to current flow and in combination with specific structures of aero-engines. The design principle of this engine is that when the air working medium with high conductivity goes through an arc generator, it will ionize and produce plasma, which actions in the magnetic field that produced by built-in s
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Dissertations / Theses on the topic "Theory of engines"

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Miller, Shannon L. "Theory and implementation of low-irreversibility chemical engines /." May be available electronically:, 2009. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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Raux, Paul. "Circuit theory for thermodynamic engines in stationary nonequilibrium." Electronic Thesis or Diss., Université Paris Cité, 2024. http://www.theses.fr/2024UNIP7061.

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À l'instar de l'étude des circuits électroniques, l'étude des systèmes complexes est souvent facilitée par leur décomposition en sous-systèmes plus simples. Deux sous-problèmes apparaissent alors : 1) l'étude de chaque sous-système séparément ; 2) l'émergence de nouveaux comportements lors de leur réassemblage. La théorie des circuits hors équilibre est la mieux comprise pour un unique couple de courant (électrique) et de force thermodynamique conjuguée (tension), comme c'est le cas en électronique. Chaque sous-système est alors décrit par une caractéristique courant-tension, résumée dans le c
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Kim, Kee Hyo. "Engines of growth industrial policy and the Korean motor industry /." Thesis, Online version, 1997. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.337677.

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Green, Johney Boyd Jr. "Application of deterministic chaos theory to cyclic variability in spark-ignition engines." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/16809.

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Hariri, Bassam. "Modelling and identification of S.I. engines for control system design." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266264.

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Clifton, David A. "Novelty detection with extreme value theory in jet engine vibration data." Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670016.

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Humphrey, Tammy Ellen Physics Faculty of Science UNSW. "Mesoscopic quantum ratchets and the thermodynamics of energy selective electron heat engines." Awarded by:University of New South Wales. Physics, 2003. http://handle.unsw.edu.au/1959.4/19186.

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A ratchet is an asymmetric, non-equilibrated system that can produce a directed current of particles without the need for macroscopic potential gradients. In rocked quantum electron ratchets, tunnelling and wave-reflection can induce reversals in the direction of the net current as a function of system parameters. An asymmetric quantum point contact in a GaAs/GaAlAs heterostructure has been studied experimentally as a realisation of a quantum electron ratchet. A Landauer model predicts reversals in the direction of the net current as a function of temperature, amplitude of the rocking voltage,
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Benyo, Theresa Louise. "Analytical and computational investigations of a magnetohydrodynamics (MHD) energy-bypass system for supersonic gas turbine engines to enable hypersonic flight." Thesis, Kent State University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3618922.

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<p> Historically, the National Aeronautics and Space Administration (NASA) has used rocket-powered vehicles as launch vehicles for access to space. A familiar example is the Space Shuttle launch system. These vehicles carry both fuel and oxidizer onboard. If an external oxidizer (such as the Earth's atmosphere) is utilized, the need to carry an onboard oxidizer is eliminated, and future launch vehicles could carry a larger payload into orbit at a fraction of the total fuel expenditure. For this reason, NASA is currently researching the use of air-breathing engines to power the first stage of t
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Chung, Gi Yun. "An analytical approach to real-time linearization of a gas turbine engine model." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50702.

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A recent development in the design of control system for a jet engine is to use a suitable, fast and accurate model running on board. Development of linear models is particularly important as most engine control designs are based on linear control theory. Engine control performance can be significantly improved by increasing the accuracy of the developed model. Current state-of-the-art is to use piecewise linear models at selected equilibrium conditions for the development of set point controllers, followed by scheduling of resulting controller gains as a function of one or more of the system
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Dufva, Johannes, and Andreas Lindgren. "Machine Learning Models for Fueling Inaccuracy Detection using Gas Exchange Signals in Heavy-duty Vehicle Engines." Thesis, Uppsala universitet, Avdelningen för systemteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-447180.

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Heavy-duty trucks are important links in the logistic chains of transport. Critical components in trucks include fuel injectors in which inaccuracies can lead to severe financial damage and higher emissions. Intelligent and efficient ways to detect such scenarios are thus of high importance. This thesis applies machine learning algorithms to measured or estimated engine data, focused on gas exchange signals, to detect inaccuracies in fueling quantities. The fueling inaccuracies considered were of low deviations from the nominal curve, with magnitudes not covered by the currently used fueling d
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Books on the topic "Theory of engines"

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I, Kurziner R., and United States. National Aeronautics and Space Administration., eds. Theory and design of flight-vehicle engines. National Aeronautics and Space Administration, 1987.

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1943-, Halderman James D., ed. Automotive engines: Theory and servicing. 2nd ed. Prentice Hall, 1991.

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D, Mitchell Chase, ed. Automotive engines: Theory and servicing. 5th ed. Pearson/Prentice Hall, 2005.

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Halderman, James D. Automotive engines: Theory and servicing. 3rd ed. Prentice Hall, 1997.

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Winterbone, D. E. Theory of engine manifold design: Wave action methods for IC engines. Professional Engineering Pub., 2000.

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J, Pearson Richard, ed. Theory of engine manifold design: Wave action methods for IC engines. Society of Automotive Engineers, Inc., 2000.

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Mitzlaff, Klaus von. Engines for biogas: Theory, modification, economic operation. F. Vieweg, 1988.

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Robinson, Vincent W. Engine/drivetrain performance mathematics & theory: For street & race track applications. Robinson, 1994.

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Education, Alberta Alberta. Small gasoline engines: Theory of operation and maintenance. Distance Learning, Alberta Education, 1990.

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Hünecke, Klaus. Jet engines: Fundamentals of theory, design, and operation. Motorbooks International, 1997.

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Book chapters on the topic "Theory of engines"

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Saha, Tushar Kanti. "Theory Background." In Information-Powered Engines. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-49121-4_2.

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Rigatos, Gerasimos G. "Differential Flatness Theory for Internal Combustion Engines." In Nonlinear Control and Filtering Using Differential Flatness Approaches. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16420-5_10.

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Kambona, Kennedy, Thierry Renaux, and Wolfgang De Meuter. "Efficient Matching in Heterogeneous Rule Engines." In Advances in Artificial Intelligence: From Theory to Practice. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60042-0_44.

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Andoga, Rudolf, Ladislav Madarász, Tomáš Karol’, Ladislav Főző, and Vladimír Gašpar. "Intelligent Supervisory System for Small Turbojet Engines." In Aspects of Computational Intelligence: Theory and Applications. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-30668-6_6.

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Iqbal, Ahmad Ali, and Aruna Seneviratne. "Is Comprehension Useful for Mobile Semantic Search Engines?" In Neural Information Processing. Theory and Algorithms. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17537-4_38.

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Fuchs, Hans U. "Heat Engines and the Caloric Theory of Heat." In The Dynamics of Heat. Springer New York, 1996. http://dx.doi.org/10.1007/978-1-4757-2542-1_4.

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Binninger, B., M. Jeschke, H. Henke, and D. Hänel. "Computation of Inviscid Vortical Flows in Piston Engines." In Nonlinear Hyperbolic Equations — Theory, Computation Methods, and Applications. Vieweg+Teubner Verlag, 1989. http://dx.doi.org/10.1007/978-3-322-87869-4_3.

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Shapira, Yair. "Markov Matrix and Its Spectrum: Toward Search Engines." In Linear Algebra and Group Theory for Physicists and Engineers. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-22422-5_3.

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Smart, Edward, Neil Grice, Hongjie Ma, David Garrity, and David Brown. "One Class Classification Based Anomaly Detection for Marine Engines." In Intelligent Systems: Theory, Research and Innovation in Applications. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38704-4_10.

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Kotelnikov, Vadim A., Mikhail V. Kotelnikov, Sergey S. Krylov, and Thau Suan Nguen. "Probe Diagnostics of Rarefied Plasma Flows from Magnetoplasmodynamic Engines." In Advances in Theory and Practice of Computational Mechanics. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-8926-0_11.

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Conference papers on the topic "Theory of engines"

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Zhang, Yachao, Guanghui Chang, Pan Su, and Xiaodong Zou. "Research on robust control strategies for diesel engines based on H∞ theory." In International Conference on Optics, Electronics, and Communication Engineering, edited by Yang Yue. SPIE, 2024. http://dx.doi.org/10.1117/12.3049930.

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Pettigrew, James L. "Field Experience Versus Theory in Turbine Engine Deterioration." In ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/95-gt-161.

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This paper describes observations and analysis of data recorded on operating helicopter engines using advanced technology data recording systems. The US Army began the test on TS3 engines in 1986 and expanded it to their T55, T63, T700, and T703 helicopter engines in 1990. These engines have a gas generator with a free turbine for power production. A portable instrumentation system is used to do inflight helicopter engine tests and electronically record performance information. A PC based data analysis system uses artificial intelligence to change the data into diagnostic information for the t
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Baeza-Yates, Ricardo. "Is There Space for Theory in Modern Commercial Search Engines?" In the 2013 Conference. ACM Press, 2013. http://dx.doi.org/10.1145/2499178.2499488.

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"Restart of theory of air-breathing engines." In 28th Joint Propulsion Conference and Exhibit. American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-3472.

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Sanan, Majed, Mahmoud Rammal, and Khaldoun Zreik. "Internet Arabic Search Engines Studies." In Communication Technologies: from Theory to Applications (ICTTA). IEEE, 2008. http://dx.doi.org/10.1109/ictta.2008.4530003.

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Ngoc, TRINH QUY, EALGOO Kim, SEUNGWOO Song, JUNGPYO Lee, and JAEHONG Park. "Automobile Ignition Noise Suppression Based on Coupling Theory." In 8th International Conference on Engines for Automobiles. SAE International, 2007. http://dx.doi.org/10.4271/2007-24-0102.

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Roth, Ron M. "Fault- Tolerant Dot-Product Engines." In 2018 IEEE International Symposium on Information Theory (ISIT). IEEE, 2018. http://dx.doi.org/10.1109/isit.2018.8437919.

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Sharma, R., D. Nesic, and C. Manzie. "Model reduction of automotive engines using perturbation theory." In 2009 Joint 48th IEEE Conference on Decision and Control (CDC) and 28th Chinese Control Conference (CCC). IEEE, 2009. http://dx.doi.org/10.1109/cdc.2009.5400086.

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Castledine, Ian. "Chevin Tower - An Engine House Hidden in Plain Sight. A New Theory on a Local Landmark." In 2nd International Early Engines Conference. International Early Engines Conference & ISSES, 2021. http://dx.doi.org/10.54267/ieec2-1-08.

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The tall square building known as Chevin Tower sits on the hill directly above the Milford tunnel on the North Midland railway constructed from 1837-1840 by the railways appointed contractors to surveys carried out by George &amp; Robert Stephenson. Until recently it has always been described as a ‘signal tower’, or a manmade landmark to aid railway surveying where direct line of sight was not possible. In2021 articles in the Midland Journal explored the use of the tower casting some doubt on the signalling interpretation and this led the author to examine afresh the structure, its location an
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Frondelius, Tero, Hannu Tienhaara, Jukka Kömi, and Mauri Haataja. "Simulation-Driven Development of Combustion Engines: Theory and Examples." In Automotive Technical Papers. SAE International, 2018. http://dx.doi.org/10.4271/2018-01-5050.

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Reports on the topic "Theory of engines"

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Olsen and Fletcher. L52071 Literature Review Fuel-Air Mixing in Large Bore Natural Gas Engines. Pipeline Research Council International, Inc. (PRCI), 1999. http://dx.doi.org/10.55274/r0010949.

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Mixing is viewed as being problematic in many internal combustion engines, particularly large bore natural gas engines. In reviewing the literature an attempt is made to distinguish between the influences of mixing and turbulence, although for much of the published research the distinction is not made. Mixing is determined to have a major impact on engine efficiency, overall emissions, flame propagation, and cycle-to-cycle variations. The improvement of engine efficiency and overall emissions is concluded to be primarily due to the extension of the lean limit, a direct consequence of improved
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Rodríguez-Apolinar, Sergio, and Eduardo Fernández-Arias. The Productivity Gap in Latin America: Lessons from 50 Years of Development. Inter-American Development Bank, 2016. http://dx.doi.org/10.18235/0011731.

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This paper combines development accounting exercises with economic theory to assess the importance of total factor productivity and the accumulation of factors of production as engines of growth in Latin America. Using the new, drastically revised Penn World Table (PWT) and Barro-Lee datasets, the paper shows that lower and non-convergent income relative to successful development benchmarks are explained by subpar productivity gains rather than slower factor accumulation. The empirical analysis of the interplay between productivity and accumulation in the process of development suggests that o
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McCarthy, James, and Tom McGrath. PR-312-12210-R01 CEPM Monitoring Plan for Two-Stoke Cycle Lean Burn Engines. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011564.

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In response to ozone and nitrogen dioxide (NO2) National Ambient Air Quality Standards (NAAQS), it is anticipated that there will be continued pressure for retrofit NOx control of existing slow speed integral reciprocating engines. This will likely require the retrofit of many additional legacy lean burn pipeline engines over the next decade, and emissions controls will require compliance verification which has been historically based on periodic emission tests. However, agencies also desire continuous "monitoring" of an operating parameter or parameters indicative of engine status. This docum
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Taylor. NR199202 Fiber Optic Fabry-Perot Sensors for Combustion Chamber Monitor. Pipeline Research Council International, Inc. (PRCI), 1992. http://dx.doi.org/10.55274/r0011145.

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Presently, there is no way to continuously measure pressure and temperature in engines over extended periods of operation. Reliable fiber optic sensor networks supplying data to computerized engine control systems could lead to fuel economies in the millions of dollars per year. The goal of this project is to demonstrate the utilization of a new fiber optic sensor technology in engines used for the pumping of natural gas.
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Dufur and Chapman. PR-325-05216-R01 Turbocharger Performance Monitoring. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0010002.

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Turbocharger performance, especially on SIP-call engines, remains essentially unmeasured even though tracking information over time would provide critical information to help field engineers lower their engine emissions as well as the cost of operations. In 2006, with the assistance of funding from the Pipeline Research Council International Inc., ScavengeTech LLC developed and field tested a turbocharger monitoring system that consisted of a set of analog sensors to measure key turbocharger performance parameters and hardware to interface the sensor outputs to a computer. The collected data w
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Hohn and Zeng. PR-266-14200-R01 Modeling of NSCR Performance with Natural Gas Exhaust. Pipeline Research Council International, Inc. (PRCI), 2016. http://dx.doi.org/10.55274/r0010880.

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There is a need for highly efficient processes for treating the engine exhaust from natural gas-powered engine in order to meet current and potential environmental regulations. One means to do so is to employ dithering, where the air to fuel ratio sent to the engine is cycled between high and low values around the stoichiometric point. There is limited experimental data to suggest that dithering can be effective, but little is known about how dithering impacts the performance of a three-way catalyst to destroy pollutants from natural gas-powered engines. This research simulates the performance
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Bajwa, Abdullah, and Timothy Jacobs. PR-457-17201-R01 Residual Gas Fraction Estimation Based on Measured In-Cylinder Pressure. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011519.

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Developing a reliable means of predicting and controlling engine operation at various operating conditions may be a reasonable pathway for meeting increasingly stringent engine emission regulations. In order to do so, estimates of the mixture composition at the end of the gas exchange process (i.e. at exhaust port closure, or EPC) are helpful for having accurate models of engine combustion. A substantial fraction of the trapped charge mixture is composed of residual gases from previous cycles. This fraction, the trapped residual fraction, changes combustion characteristics of the trapped mixtu
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Beshouri and Huschenbett. PR-309-06201-R01 Pre-Production and Production Ion Sense Hardware and Cylinder Level Sensing. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010544.

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In 2001, the Compressor and Pump Station Technical Committee (CAPSTC) recognized the importance of cylinder level sensing and control to minimize NOx emissions while maintaining optimum engine performance, therefore, a CAPSTC member brought the concept of ion sense to the committee as an alternative to fiber optic pressure sensors for continuous combustion performance monitoring. Derived from automotive technology, ion sense utilizes post ignition ionization measurements from a standard spark plug to monitor the combustions process. Based on successful feasibility tests at Colorado State Unive
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9

Hrehor, Troy, Timothy Jacobs, and Mark Patterson. PR457-22209-R01 Feasibility Study of the Premixing of PCC Fuel and Air to Reduce GHG Emissions. Pipeline Research Council International, Inc. (PRCI), 2025. https://doi.org/10.55274/r0000115.

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The large-bore, slow-speed, two-stroke natural gas engines that frequently power natural gas pipelines are the subjects of increasingly stringent emissions standards, particularly those targeting emissions of oxides of nitrogen (NOx) and greenhouse gases (GHGs) such as methane and carbon dioxide. Running these engines near their lean limits of operation reduces combustion temperature and therefore NOx emissions but at the cost of increased misfires and combustion instability, thus increasing GHG emissions. A pre-combustion chamber (PCC) can be equipped to provide a high-energy ignition source
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10

Murray, Trevor, and Timothy Jacobs. PR-457-16200-R01 Control of Vented Methane Emissions from Integral Compressor Engines. Pipeline Research Council International, Inc. (PRCI), 2018. http://dx.doi.org/10.55274/r0011475.

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At natural gas pipeline compressor stations, methane emissions from compressor and engine crankcases are often vented directly into the atmosphere. There may be advantages to capturing these emissions and using them to offset fuel usage and / or decrease the overall carbon footprint of such a typical compressor station. This study evaluates the feasibility of directing such captured emissions into the intake of the compressor engine and subsequently combusting the methane emissions into carbon dioxide and water. Although seemingly an obvious or trivial solution, there are in fact several chall
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