摘要:
A combustion chamber of a pulsating combustor is supplied with fuel from a fuel-supplying system and with air for combustion from an air-intake chamber through an air-intake pipe. The air-intake pipe is interiorly provided with an aerodynamic valve having a forward flow coefficient greater than a flow coefficient in a reversed direction. An air-supplying fan controlled by a combustion control unit is connected to the air-intake chamber. A fuel control valve for varying the amount of fuel supplied to the combustion chamber is connected to a fuel-supplying pipe of a fuel-supplying system. When a mixture gas within the combustion chamber is fired at the start of a pulsating combustion system, the combustion control unit rotates the air-supplying fan at high speed to forcibly feed air for combustion into the combustion chamber. When the fuel control valve is operated in order to vary the combustion power, the combustion control unit rotates the air-supplying fan in the rotational direction and at the rotational frequency corresponding to the amount of fuel varied thereby to feed air for combustion into the combustion chamber to realize an optimum ratio of fuel to air for combustion.
摘要:
A double-combustor type pulsating combustion apparatus has a pair of pulsating combustors. Fuel-supplying valves are respectively provided in fuel-supplying pipes connected to the upstream sides of combustion chambers of the pair of pulsating combustors. A combustion control unit controls to stop only one pulsating combustor and to operate only the other pulsating combustor by closing one fuel-supplying valve corresponding to one pulsating combustor in a combustion range of 1/2 or less of the maximum combustion amount of the double-combustor type pulsating combustion apparatus. The combustion control unit further controls to operate both the pulsating combustors by opening both the fuel-supplying valves in a combustion range exceeding 1/2 of the maximum combustion amount.
摘要:
A pulse combustion apparatus comprising a metal pipe member, an exhaust chamber, and an insert member. The pipe member has two open ends and its inner diameter is uniform over its entire length. The first open end of the pipe member is closed, and the second open end thereof is connected to the exhaust chamber. The insert member is located within the pipe member such that it and the pipe member define a combustion chamber within the pipe member, close to the first end thereof, and also an exhaust passage connecting the combustion chamber to the exhaust chamber and having a cross section area smaller than that of the combustion chamber. The combustion chamber and the exhaust passage constitute a Helmholtz resonator which realizes pulse combustion of the fuel gas.
摘要:
A print image forming apparatus includes: an obtaining unit that obtains a document having at least one page; a color information generating unit that generates color information from an identifier allocated to and associated with the obtained document according to a predetermined rule; and a forming unit that forms an image to be output, in which the identifier represented by a color which is in accordance with the generated color information is added to the document.
摘要:
A fuel cell system is disclosed that includes a heat exchanger having first and second heat exchanger portions arranged in a fluid flow passage. The second heat exchanger portion is arranged downstream from the first heat exchanger portion. The first and second heat exchanger portions include a coolant flow passage and are configured to transfer heat between the fluid flow and coolant flow passages. The first heat exchanger portion includes a first corrosion-resistant material and the second heat exchanger portion includes a second corrosion-resistant material that is less corrosion-resistant than the first corrosion-resistant material. A collector, which includes a tray and/or a mist trap, is configured to collect acid in the first heat exchanger portion from a gas stream in the fluid flow passage. Collected acid can be sprayed into a gas stream upstream from a flow field of the fuel cell.
摘要:
A document management system includes: a document producing apparatus including a protected document producing unit; and a document use managing apparatus including: a document information storage; a document information registering unit; a use restriction information storage; and a use restriction information registering unit.
摘要:
The condenser heat exchanger includes a housing that provides a gaseous stream flowpath and a bottom wall. A gaseous stream contains acid. The housing has a fluid inlet configured to introduce a liquid, such as water. A coolant tube is disposed within the housing in the gaseous stream flowpath and provides a coolant path. Acid condenses on and falls from the coolant tube into a collection area that is provided at the bottom wall near the coolant tube. The collection area is configured to maintain storage of a predetermined amount of fluid that includes the liquid, which dilutes the condensed acid.
摘要:
There is provided a computer readable medium storing a subprogram causing a computer to execute a subprocess that includes a predetermined process performed in response to a call from a caller program and a return process to return the result of the predetermined process to the caller program. The subprocess includes: an address acquisition process that acquires an access destination address to be accessed by the subprogram before executing the return process, the access destination address being assigned to the memory area of the caller program; a determination process that determines whether or not the caller program is a legitimate caller program based on the acquired access destination address; and a termination process that, if it is determined that the caller program is not a legitimate caller program as a result of the determination, terminates execution of the subprocess before executing the return process.
摘要:
A battery pack comprises a battery stack. The battery stack includes a plurality of battery modules that are arranged in parallel in side-by-side relationship; a plurality of couplers each being mounted on a given portion of the corresponding battery module thereby to constitute a coupler-mounted battery module. The couplers are detachably connected to one another to constitute an aligned unit of the couplers. Each of the couplers comprises a plurality of projected pawls provided by one side of the coupler and a plurality of catching recesses provided by the other side of the coupler. The catching recesses catch the projected pawls of an adjacent coupler for forming part of the aligned unit of the couplers.
摘要:
An example fuel cell component includes an energizeable coating on at least a portion of a surface of the fuel cell component. A controller is configured to energize the energizeable coating to break a bond between any ice and the surface of the fuel cell component.