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87 results about "Energy transport" patented technology

Method for transporting energy of gas-liquid two-phase flow

The invention relates to a method for transporting the energy of a gas-liquid two-phase flow and belongs to the technical field of energy transportation. An evaporator and a condenser which are both heat exchangers are respectively arranged at a place supplying cold energy and heat energy and at a place using cold energy and heat energy; the evaporator and the condenser are organically connected into a whole through a gas-liquid two-phase flow main pipe, a two-phase flow distributor, a two-phase flow equalizing pipe, a main liquid return pipe, a liquid storage tank, a cycling solution pump, a solution transport pipe, a liquid separator and a liquid equalizing pipe to form an energy transport system of gas-liquid two-phase flow; heat energy carrying working media from the evaporator to the condenser is in a state of the gas-liquid two-phase flow; heat energy carrying working media from a heating section to a cooling section is in a liquid-phase state; the energy transport system of gas-liquid two-phase flow is different from a heat pipe energy transport system; heat energy carrying working media from the evaporator to the condenser is in a gas-phase state, thus the method for transporting the energy of the gas-liquid two-phase flow is formed; and when the circulation is repeated, the cold energy and the heat energy can be transported continuously. The invention has the advantages of reliable transport principle, simple equipment, high heat efficiency and significant economic and social benefits.
Owner:QINGDAO UNIV

LNG (Liquefied Natural Gas) filling method for small ships

The invention discloses an LNG (Liquefied Natural Gas) filling method for ships. The LNG filling method comprises the following steps: I. pipeline precooling: detecting the dew point, enabling BOG (boil off gas) to enter a BOG storage tank or emptying a vent pipe of a stand column; II. filling outwards: opening an LNG liquid inlet valve, a second liquid phase filling arm ball valve, a filled ship liquid inlet valve, a filled ship gas return valve, a second gas phase filling arm ball valve and a BOG storage tank gas return valve for LNG filling; III. residual liquid recovery: opening a BOG blow-down valve and a third liquid phase filling arm ball valve, pressing residual LNG in a first conveying branched pipe of the pipeline at the top part of a conveying filling arm and in a three-dimensional joint into a filled ship tank, pressing residual LNG in the stand column and a second conveying branched pipe of the pipeline at the top part of the conveying filling arm into an LNG storage tank, thereby finishing residual liquid recovery. The method can realize recovery of BOG and residual LNG, is energy-saving and emission-reduction, can meet the national low-carbon and environment-friendly requirements and can be widely applied to the field of ship energy resource transportation.
Owner:WUHAN YUANFANG SCI & TECH CO LTD OF CHINA SANJIANG SPACE GRP

Method for theoretically predicting burning rate of water ramjet with high metal content

The invention relates to a method for theoretically predicting the burning rate of a water ramjet with high metal content on the basis of equilibrium temperature of a burning surface. Firstly, a combustion model of a fuel ignition process of the water ramjet is established, the contradictions that a traditional solid fuel burning rate model (a Vieri formula) needs to fit undetermined parameters through a test result and a test of the water ramjet with high metal content needs to be conducted on the premise of grasping the fuel burning rate are overcome, and the method can be used for determining an estimated value of the thermodynamic equilibrium temperature of the fuel burning surface and an approximate range of reasonable water inlet amount design. By combining with a water reaction metal fuel ignition powder combustion model, the mass, momentum and energy transport quantity of fuels and ignition powder to a flow field are converted into source items close to grids of a first layer of the burning surface and grids of a covering area of the ignition powder, gas / solid / liquid multiphase coupling calculation in the flow field of the ramjet is achieved, the temperature distribution ofthe burning surface of the fuels in an ignition process can be obtained, correspondingly the burning rate of the ramjet is predicted, and the ignition and working state of the ramjet is determined.
Owner:NAT UNIV OF DEFENSE TECH

Air cooling heat exchange device for heat pipe energy transporting system

The invention belongs to the technical field of energy transporting devices and relates to an air cooling heat exchange device for a heat pipe energy transporting system. A make-up water supplying and controlling subsystem enables water level in a water tank to be constant. A circulating water circulation and distribution subsystem enables circulating water to be circulated normally. A heat pipe working medium in a heat pipe body subsystem transfers heat to the air to be cooled and then returns to an original heat pipe system to achieve deep cooling. An air flowing and processing subsystem achieved even transformation cooling of inlet air through a heat pipe condenser through driving force under the driving force of a fan, recovers water drops through a water blocking plate and discharges high-humidity air out. A central controller obtains outdoor temperature and humidity numerical values through an outer environment temperature and humidity signal line and adopts different cooling modes to perform control according to control programs of the central controller. Five subsystems are organically matched in a water, electricity and gas mode to form an air cooling heat exchange system so as to achieve the air cooling heat exchange effect. The air cooling heat exchange device is simple in structure, high in heat exchange efficiency, energy-source-saving, small in thermal pollution and wide in application range.
Owner:QINGDAO UNIV
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