Abstract: A boil-off gas treatment system includes: a first compressor receiving boil-off gas generated from liquefied gas stored in a storage tank of a ship and compressing the boil-off gas; a second compressor compressing boil-off gas received from the storage tank; a heat exchanger cooling the boil-off gas compressed by the first compressor or the second compressor; and a refrigerant circulation line for circulating a refrigerant to the heat exchanger. The first compressor is a multistage compressor including a plurality of compressors and compressing the boil-off gas to a fuel supply pressure required for a propulsion engine. The second compressor compresses the boil-off gas to a fuel supply pressure required for a power generation engine which is lower than the propulsion engine. The boil-off gas compressed by part of the first compressor is supplied to the heat exchanger to be cooled or is supplied to the power generation engine.

Abstract: An aerosol generating device according to an embodiment includes a heater configured to heat an aerosol generating article accommodated in an accommodation space of the aerosol generating device, a battery configured to supply power to the heater, a temperature sensor configured to measure a temperature of the aerosol generating article, and a processor configured to control power supplied to the heater from the battery according to a preset temperature profile including a preheating period and a heating period, wherein the processor is further configured to detect whether an amount of moisture in the aerosol generating article is in a preset range based on the temperature of the aerosol generating article in the preheating period, and control a duration of the preheating period according to whether the amount of moisture in the aerosol generating article is included in the preset range.

Abstract: An aerosol generating method is provided. The aerosol generating method includes obtaining unique information of a cartridge from a tag of the cartridge connected to the electronic device, using short-range wireless communication, performing authentication of the cartridge based on the unique information of the cartridge, and when the cartridge is authenticated, generating an aerosol by vibrating an aerosol generating material included in the cartridge based on information on a natural vibration frequency of a vibrator included in the cartridge which is obtained from the tag.

Abstract: A method of determining a temperature of a vibrator included in a cartridge, includes: when the vibrator of the cartridge is coupled to a driving circuit of the electronic device, supplying a signal to the driving circuit; determining a phase difference between a current and a voltage between both ends of the vibrator and a shunt resistor; determining a reactance component of the vibrator based on a resistance value of the shunt resistor and the phase difference; and determining a temperature of the vibrator based on the reactance component.

Abstract: A core body temperature measurement device includes a body and an operation unit. The body is fixed to an ear canal of user. The operation unit is combined with a front side of the body, and is configured to be exposed to the ear canal or to be concealed inside, and has a sensor part. the sensor part measures a core body temperature of user when the operation unit is exposed to the ear canal.

Abstract: A method of calculating a collision risk of a ship according to an embodiment of the present disclosure may include: calculating an available velocity area based on maneuvering performance of a host ship; calculating a velocity obstacle area where there is a possibility of collision between an object and the host ship; and calculating a collision risk based on at least one of the available velocity area, the velocity obstacle area, and a preset weight.

Abstract: Provided herein is an ultrasonic-based aerosol generation device. The aerosol generation device according to some embodiments of the present disclosure includes a liquid reservoir configured to store an aerosol-forming substrate in a liquid state, a wick configured to absorb the stored aerosol-forming substrate, an ultrasonic vibrator configured to vaporize the absorbed aerosol-forming substrate through ultrasonic waves to generate an aerosol, and a controller configured to control the ultrasonic vibrator. Here, at least a portion of the wick and at least a portion of the ultrasonic vibrator may be implemented to have a flat shape and may be disposed to come in close contact with each other. In this way, a vaporization area may be maximized, and vapor production may be significantly enhanced.

Abstract: A heat insulation material for an aerosol generating device includes a plurality of hollow beads, and a binder configured to bind the plurality of hollow beads together.

Abstract: A vaporizer and an aerosol-generating device including the vaporizer are provided. The vaporizer includes a liquid storage tank configured to store a liquid aerosol-generating material, and a wick-heater assembly including a porous wick that absorbs the stored aerosol-generating material through a porous body and a heater assembly that generates an aerosol by heating the absorbed aerosol-generating material.

Abstract: The present invention relates to a wick-heater assembly comprising a porous wick for absorbing a liquid aerosol-generating substrate, wherein the porous wick comprises a plurality of porous beads; and a heater for heating the absorbed liquid aerosol-generating substrate to generate an aerosol, wherein the heater is located embedded in one side of the porous wick or in the porous wick, and comprises a flat heating pattern in which a horizontal pattern and a vertical pattern are alternately repeated and connected, and wherein the spacing (A) between the vertical patterns in the heating pattern is greater than the diameter (B) of the porous bead; and an aerosol-generating device comprising the same.

Abstract: As an embodiment of the present disclosure, there is disclosed an aerosol generating device including: a heater configured to generate an aerosol by heating an aerosol generating substrate; a storage unit configured to store information regarding a first time period and a second time period for controlling a temperature of the heater; and a controller configured to control power supplied to the heater, wherein the controller, when the first time period time elapses after the temperature of the heater reaches the first target temperature, changes the temperature of the heater to a second target temperature for the second time period, and the sum of the first time period and the second time period is a time period in a preset change.

Abstract: An aerosol-generating device may include an accommodation space where an aerosol-generating article is accommodated, a heater configured to generate aerosol by heating the aerosol-generating article, a transducer configured to output ultrasonic waves toward the accommodation space, receive ultrasonic waves reflected from the accommodation space, and generate electric signals corresponding to the received ultrasonic waves, and a processor configured to determine a type of the aerosol-generating article accommodated in the accommodation space based on the electric signals generated by the transducer, and control an operation of the heater based on the determined type of the aerosol-generating article.

Abstract: A heater assembly includes a heating layer having at least a portion including a susceptor material generating heat by an external magnetic field and having a cylindrical shape therein in which an accommodation space configured to accommodate the cigarette is formed, an insulating layer surrounding at least a portion of an outer side surface of the heating layer, and a sensor pattern embedded in the insulating layer and configured to measure a temperature.

Abstract: The present invention relates to a planar heating element for generating an aerosol comprising a porous wick for absorbing a liquid aerosol-generating substrate, a conductive bead layer for heating the absorbed liquid aerosol-generating substrate, and a terminal part for delivering an electricity for heating to the conductive bead layer, a method for manufacturing the same, and an aerosol-generating device comprising the same.

Abstract: Provided is an aerosol generating device comprising: a heater for heating a first material a solid phase and a second material in a liquid phase; and a controller for controlling power supplied to the heater, wherein as the heater is powered, a first aerosol generated from the first material and a second aerosol generated from the second material are released.

Abstract: Provided is a heater for an aerosol-generating device including a first electrically conductive pattern configured to perform heating and a second electrically conductive pattern arranged in parallel with the first electrically conductive pattern. The first electrically conductive pattern and/or the second electrically conductive pattern may include a material having a relatively small resistance temperature coefficient. Accordingly, a temperature increase rate of the heater may be greatly improved.

Abstract: Provided is an aerosol-generating device including a heating assembly including an accommodation space into which at least a portion of the aerosol-generating article is accommodated, and at least one spiral coil arranged outside of the accommodation space and configured to generate an induced magnetic field. The spiral coil has a plate shape curved along a circumference direction of the accommodation space and a center around which the spiral coil is wound is at an external surface of the accommodation space.

Abstract: An aerosol generation system includes a tobacco medium accommodation portion and a moisturizer accommodation portion located at an upstream end or a downstream end of the tobacco medium accommodation portion. In addition, an aerosol generation system includes an aerosol generation device including an elongated cavity for accommodating the cigarette, a first heater for heating the tobacco medium accommodation portion, and a second heater for heating the moisturizer accommodation portion.

Abstract: An insulating material for an aerosol generating device includes an insulation sheet and a waterproof film arranged on at least one surface of the insulation sheet.

Abstract: As an embodiment of the present disclosure, there is disclosed an aerosol generating device including: a heater configured to generate an aerosol by heating an aerosol generating substrate; a storage unit configured to store information regarding a first time period and a second time period for controlling a temperature of the heater; and a controller configured to control power supplied to the heater, wherein the controller, when the first time period time elapses after the temperature of the heater reaches the first target temperature, changes the temperature of the heater to a second target temperature for the second time period, and the sum of the first time period and the second time period is a time period in a preset change.