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Multifunctional incendiary research

Author: TianWenKai
Tutor: WangYinYan
School: Harbin Engineering University
Course: Power Machinery and Engineering
Keywords: Multifunction incendiary HCCI Combustion Test
CLC: TK401
Type: Master's thesis
Year: 2010
Downloads: 90
Quote: 1
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Abstract


Combustion simulation device for internal combustion engines using combustion process and alternative fuel research , the internal combustion engine can be difficult to solve the entire boundary condition simulation and control problems. This study was designed and a new type of internal combustion engine combustion simulation device - versatile incendiary , it is characterized as follows: You can change the various thermodynamic parameters ( including excess air ratio , pressure, and temperature, etc. ) , injection parameters , ignition parameters ; can be a variety of fuel combustion test ; can be pre-mixed homogeneous charge compression ignition (HCCI), pre-mixed ignition , injection compression-ignition combustion at constant volume combustion test four ways ; through the data acquisition and control system to the combustion process the combustion pressure and the spectral data acquisition. This article references fast compressor and Constant Volume Combustion functions and working principle, a versatile incendiary design requirements. In order to meet the design requirements of multi- incendiary , designed and fabricated for its fuel-air mixing systems, heating systems, drive systems , combustion systems, fuel injection system and ignition system. Developed a versatile incendiary data acquisition and control system . Applications NI's PCI-6220 acquisition card in LabVIEW environment compiled static data acquisition and control procedures, the mixed gas temperature, pressure measurement and movement of the piston drive system , injection timing , ignition timing control ; Application CS -7008 speed data dynamic analyzer and device V2.6 software to build a dynamic data collection recording system , the combustion process achieve microsecond sampling interval to achieve the synchronization combustion pressure and piston displacement data synchronization acquisition. After the completion of multi- incendiary assembly of the various multi- incendiary system debugging , so that a system of functions and technical indicators have reached the design requirements. In order for the system function and the development of the data acquisition and control system for authentication, conducted ethanol HCCI combustion test, and calculated by measuring the starting point of combustion , combustion duration , combustion temperature and combustion heat release rate , and by the chemical dynamics simulation of ethanol HCCI combustion CHEMKIN software obtained results were compared to verify the developed multifunctional incendiary reliability.

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CLC: > Industrial Technology > Energy and Power Engineering > Internal combustion engine > General issues > Theory
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