首页|New controllable premixed combustion for dimethyl ether engine
New controllable premixed combustion for dimethyl ether engine
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NETL
NSTL
A new concept of the controllable premixed combustion (CPC) system was proposed for dimethyl ether (DME) to explore a new approach to achieving ultra-low NO_X emissions with the zero level of particulate matter exhaust emissions. The DME fuel was injected into the premix chamber by means of the electronically controlled low pressure injection system, then the mixture formation and combustion process were controlled with a control-valve set between the main chamber and the premix chamber. The test bench was constructed based on a single diesel engine. Preliminary studies demonstrated that ultra-low NO_X emissions had been realized with zero particulate matter emissions under the optimum specifications of the DME engine, NO_X emissions were less than 65 x 10~(-6). According to the engine combustion analysis, it was found that the control-valve played an important role in the pre-mixture formation and ignition timing.
NETL
NSTL
