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Air Flow Control Servomechanism for Cooling the Radiator of a Car Engine
Technical Paper
2013-01-1296
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The servomechanism for air flow control has as effect on cooling starting by the shorting of warming up engine period with the useful consequences: fuel consumption, wear and pollution decreasing. A method for cooling air flow control is the use of a program-controlled blind who obturates section of the radiator of car engine, especially for reduced ambient temperature (≺+50C). For experiments it is used an electronic engineering installation who contains: two thermo resistances for the coolant temperature at the inlet, respectively at the outlet to the radiator, a flow meter with Hall sensor for measuring the coolant flow in the radiator loop, a Precision Analog Microcontroller and Laptop. We denote the first transient phase when the valves of thermostat become to open and the second transient phase between the extreme positions: valve is fully closed or fully open. The experimental data demonstrate the reduction of second transient phase and a fuel economy in the case of obturated radiator with different positions of the blinds for reduced ambient temperature. The software for data acquisition is executed in C++ or LabVIEW for processing the signals. A mathematical model with strongly nonlinear system of the considered car engine cooling system with conventional thermostat, radiator, engine and heater is simulated in MATLAB/Simulink for an optimal control of the engine. The dynamic model includes hysteresis, since the way the thermostat opens when the temperature rises differs from the way it closes when the temperature decreases and delays introduced in the cooling loop system.
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Dascalescu, S. and Receanu, M., "Air Flow Control Servomechanism for Cooling the Radiator of a Car Engine," SAE Technical Paper 2013-01-1296, 2013, https://doi.org/10.4271/2013-01-1296.Also In
References
- Chipman J.C. Simulation of a Thermostat, Model I: Aproach to Steady States” Mathematical and Computer Modelling 32 2007 765 790
- Dan Dăscălescu Spiridon , Marius Receanu Air flow control servomechanism for cooling of the radiator of a car engine (Patent), RO-BOPI 4/2012 30 04 2012 36 Buletinul Oficial de Proprietate Industrială Secţiunea de Brevete de Invenţie., OSIM Bucureşti
- Marius Receanu , Dan Dăscălescu Spiridon Simulation of the dynamic model for car engine cooling system Buletinul I.P.Iaşi, Tomul LVI(LX),Fasc.4B 2010 Secţia Construcţii de Maşini 57 65
- Marius Receanu , Dan Dăscălescu Spiridon Fuel economy of the car engine using the variation of cooling air flow Buletinul I.P.Iaşi, Tomul LVI(LX),Fasc.4B 2010 Secţia Construcţii de Maşini 67 76
- Marius Receanu , Dan Dăscălescu Spiridon The air flow control for a car engine cooling system Buletinul I.P.Iaşi, Tomul LVI(LX),Fasc.4A 2010 Secţia Construcţii de Maşini
- Marius Receanu , Dan Dăscălescu Spiridon Optimization of the air flow control for a car engine cooling system Proceeding of the 5 th International Conference on Advanced Concepts in Mechanical Engineering ACME 2012 14 15 June 2012 ACME 4 14 Iaşi
- Dăscălescu S.C.D. , Dimitriu L. Electronic System with Microprocessor for Adjusting the Cooling Airflow of Thermal Engines Patent No.107297/29.04.1994 OSIM Bucureşti (mentioned in Derwent Innovation Index)
- Dăscălescu Spiridon Cristian Dan , Dimitriu Laurenţiu Advantages of Cooling Air Flow Control Devices Using by Internal Combustion Engines 2001-01-1703, Vehicle Thermal Management Systems Conference&Exhibition Nashville, Tennesse May 14 17 2001
- Dăscălescu S.C.D. , Dimitiu L. Sistem de control electronic pentru reglarea debitului de aer de răcire la motoare termice (Electronic controlled system for thermal engines cooling air flow regulation), Patent, No. 113753 1998 OSIM Bucureşti Romania Derwent Innovation Index
- Zou X A dynamic model for a thermostat Journal of Engineering Mathematics 36 291 310 1999
- Cahlon B. , Schmidt D. , Shilor M. and Zou X. Analysis of thermostat models Euro, J.Appl.Math. 8 437 455 1997
- Cahlon B. , Schmidt D. , Shilor M. and Zou X. Analysis of thermostat models Euro, J.Appl.Math. 8 437 455 1997
- Cahlon B. , Schmdt D. , Shilow M. , Zou X. Oscillations in thermostat models Adv.Math.Sci.Appl. 1 25 49 1999
- Macki J.W. , Nistri P. , Zecca P. Mathematical models for hysteresis SIAM Review 35 1 94 123 1993
- Box G.E. , Draper N.R. Empirical Model-building and Response Surfaces New York Willy 1997 669
- Visintin A. Diferential Models of Hysteresis Berlin Springer-Verlag 1994 407
- Gunter L.A. , Nalim M.R. Dynamic Performance of Conventional and Electrically Activated EngineThermostats Proceeding of the ASME Internal Combustion Engine Division conference Philadelphia, PA April 2001
- Kaiser Th. Thermal optimisation of mechatronically integrated power electronics for an engine cooling fan using brushless technology Power Electronics Specialists Conference 2000 PESC 00.2000 IEEE I 53 57 0275-9306
- Keller P. , Becker M. Integrated Engine, Vehicle and Underhood Model of a Light Duty Truck for VTM Analisys GT-SUITE Conference December 2009 Borg Warner
- Koumboulis F.N. Disturbance rejection of general neutral time delay systems via measurement output feedback Proceedings of the 11 th IEEE International Conference on Emerging Technologies and Factory Automation EFTA 2006 Prague, Czech Republic 2006 735 742
- Park Kyoung Suk Thermal flow analysis of vehicle engine cooling system Journal of Mechanical Science and Technology 1738-494X 16 7 July 2002 975 985
- Gu Ning , Ni Ji-Min Simulation of Engine Cooling System Based on AMESim 2009 Second International Conference on Information and Computer Science Manchester, UK 4 117 120