A fuel deoxygenation system has a deoxygenator, an ultrasound transducer, and a control. The ultrasonic transducer is operable to direct ultrasonic waves into a flow passage for a fuel connected to the deoxygenator. A gas turbine engine and a method are also disclosed.

A fuel deoxygenation system has a deoxygenator, an ultrasound transducer, and a control. The ultrasonic transducer is operable to direct ultrasonic waves into a flow passage for a fuel connected to the deoxygenator. A gas turbine engine and a method are also disclosed.

A combustor including a first perforated layer including a first opening having a first diameter, wherein the first opening is configured to receive a flow of fluid including a fuel and air mixture; and impart a first rotational instability to the flow of fluid that is dependent on the first diameter; and a second perforated layer surrounding a combustion area, wherein the second perforated later includes a second opening having a second diameter, and wherein the second layer is located between the first layer and the combustion area.

A combustor including a first perforated layer including a first opening having a first diameter, wherein the first opening is configured to receive a flow of fluid including a fuel and air mixture; and impart a first rotational instability to the flow of fluid that is dependent on the first diameter; and a second perforated layer surrounding a combustion area, wherein the second perforated later includes a second opening having a second diameter, and wherein the second layer is located between the first layer and the combustion area.

An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 m to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level.

An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 m to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level.

A dual fumigation homogeneous charge compression ignition (DF-HCCI) engine runs on low volatility internal combustion (IC) engine fuel such as diesel in combination with another IC engine fuel, both simultaneously fumigated in engine intake air stream. Both fumigated fuels mix with engine intake air and they are inducted together, at the same time, into engine combustion chamber where homogeneous charge compression ignition combustion takes place. Fumigation of two fuels, in which one fuel has low volatility, is done by a novel dual fuel fumigation system comprising of at least one ultrasonic atomizer. Combustion phasing control is done by varying proportions of fumigated fuels, EGR rate, and EGR temperature and additionally by controlling engine intake air temperature. Engine intake air is controlled to a desirable temperature by heat exchanger utilizing heat from engine and/or exhaust gas. A controller monitors inputs from relevant sensors and, based on these inputs, adjusts fumigation rates of fuels, EGR rates, EGR temperature and engine intake air temperature.

Methods and systems are provided for an ultrasonic wave generator within a vehicle emissions control system. In one example, a frequency of ultrasonic waves may be applied to a fuel vapor canister, the frequency adjusted in response to an estimate of hydrocarbon distribution within a vapor canister received from temperature and hydrocarbon sensor outputs.

A thermo-kinetic process where a micro-packet of a mixture of air, fuel, and water are exposed to high energy ultrasound, a high frequency electromagnetic field, and thermal energy to initiate micro-nuclear fusion. A reaction chamber with a nozzle and adjacent resonance chamber form micro-packets and micro-explosions. The micro-explosions form high negative pressure bubbles which implode accelerating fusible elements towards a center forming a nucleus generating kinetic energy.

A thermo-kinetic process where a micro-packet of a mixture of air, fuel, and water are exposed to high energy ultrasound, a high frequency electromagnetic field, and thermal energy to initiate micro-nuclear fusion. A reaction chamber with a nozzle and adjacent resonance chamber form micro-packets and micro-explosions. The micro-explosions form high negative pressure bubbles which implode accelerating fusible elements towards a center forming a nucleus generating kinetic energy.