96results about How to "Specific heat" patented technology

The present invention provides an asphalt composition comprising an asphalt and antistripping additive comprising at least one of the compound having the formula (I), (II) or (III):[R1O-(PO)m(EO)n]x-P(=O)-(OH)y(I)wherein R1 represents a linear hydrocarbon radical having 8 to 24 carbon atoms or an alkyl phenyl group having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 1 to 6, n is a number of 0 to 6;[R2O-(PO)m(EO)n]x-P(=O)-(OH)y(II)wherein R2 represents an aliphatic hydrocarbon radical having a branched methyl group and having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 0 to 6, n is a number of 0 to 6; and[R3O-(PO)m(EO)n]x-P(=O)-(OH)y(III)wherein R3 represents an aliphatic hydrocarbon radical having two or more branched methyl groups or at least one of branched group including 2 or more carbons and having 8 to 24 carbon atoms, PO represents oxypropylene group, EO represents oxyethylene group, each of m and n represents the number of added molecules, m is a number of 0 to 6, n is a number of 0 to 6, each of x and y of the formula (I), (II) or (III) being a number of 1 to 2, the sum total of x and y being 3, R1,R2 and R3 being saturated or unsaturated.

An article of manufacture and method of preparation thereof. The article of manufacture and method of making the article includes an eutectic salt solution suspensions and a plurality of nanocrystalline phase change material particles having a coating disposed thereon and the particles capable of undergoing the phase change which provides increase in thermal energy storage. In addition, other articles of manufacture can include a nanofluid additive comprised of nanometer-sized particles consisting of copper decorated graphene particles that provide advanced thermal conductivity to heat transfer fluids

The invention relates to a preparation method of a B4C modified C/C-SiC brake material. According to the method, a vacuum pressure dipping method is used for introducing a B4C powder material in a three-dimensional needle carbon felt with the initial density being 0.4 to 0.6g/cm<3>; CVI (chemical vapor infiltration) and RMI (reaction melt infiltration) are combined for preparing the C/C-SiC brake material. When the B4C modified C/C-SiC brake material is used, on one hand, the B4C is used as a self heeling component for achieving the protection effects on the carbon fiber and a carbon base body; the inoxidizability of the material can be obviously improved; on the other hand, the B4C has higher specific heat capacity; the integral specific heat capacity of the material can be improved; the braking temperature can be effectively reduced; the material friction performance stability is improved.

The invention provides a technology that enables to control response delay of the supercharger in a variable compression ratio internal combustion engine under acceleration. When the variable compression ratio internal combustion engine is under acceleration, the compression ratio of the internal combustion engine is set to a compression ratio lower than a basic compression ratio that is so determined in accordance with the running condition of the internal combustion engine to realize a predetermined heat efficiency while suppressing knocking, thereby raising the exhaust gas pressure and shortening the response time of the supercharger.

A ground high-temperature high-efficiency solar steam electricity-generating device includes a light convergence assembly (1), a heat exchanger assembly(3), a heat storage chamber assembly(5), a base assembly(2), an oil pump(15), a temperature-controlling valve(16), a steam turbine(13), temperature-controlling valve (16), a steam turbine (13), an electricity-generator (12), a system control circuit, a water pump (9) and a water tank assembly (10). The light convergence assembly (1) includes a glass plate (1-1), Fresnel lenses, a U-shaped groove (1-3), a thermal insulating material, a heat collecting pipe (1-5), high temperature heat conducting oil(6-6), a frame (1-7), a rib-plate and a spindle sleeve. The high temperature heat conducting oil(6-6) in the heat collecting pipe (1-5) is communicated with the heat exchanger assembly (3) and the heat storage chamber assembly (5), so that the warm water in the heat exchanger assembly (3) is quickly converted into high temperature steam which drives the steam turbine (13) and the electricity-generator (15) to generate electrical energy. The device can realize high solar utilization, high automaticity, simple structure, lower cost, small size, and is safe and reliable.

A regenerative refrigerator includes a cylinder; a displacer provided in the cylinder; a groove pattern formed on the exterior circumferential surface of the displacer or the interior circumferential surface of the cylinder to form a first gas passage connecting one end and the other end of the exterior or interior circumferential surface, and including a groove having at least part thereof extending along a direction to cross the axial directions of the displacer to cause gas flowing from the one end to the other end in the gap between the exterior and interior circumferential surfaces to actively exchange heat with the cylinder and the displacer; a second gas passage to and from an expansion space; and a regenerator material formed of bismuth granules and provided in at least part of the second gas passage, wherein the lowest attainable temperature is 5 K to 15 K in an unloaded state.

On part of a surface of a metal plate that is to be heated by radiant heat transfer with a near-infrared ray, a region where reflectance for a radiant ray is made lower than that of the original surface of the metal plate is formed. As reflectance reducing treatment, painting or thermal spraying in a blackish color, plating in a blackish color, treatment for increasing roughness of the surface of the metal plate, blasting, etching, blackening, surface layer quality changing treatment of the metal plate, or the like can be adopted. The metal plate is turned into a heated metal plate partially having a different temperature by being heated by radiant heat transfer, and thereafter, the heated metal plate is subjected to thermal processing accompanied by cooling, for example, by hot stamping.

A press apparatus comprising a microwave energy source, a resonator cavity to receive microwave energy from the microwave energy source and to resonate the microwave energy within the resonator cavity, the resonator cavity having a peripheral side, a top side and a bottom side, a food container for receiving food from which juice is extracted, the container adapted to be located within the resonator cavity for heating the food using the microwave energy, the food container having a peripheral side, a top side and a bottom side, a plunger to press the food inside the food container, a press mechanism located outside the resonator cavity and in force communication with the plunger for exerting mechanical pressure on the food inside the food container during the heating operation for extracting the juice; and a juice collector located outside the resonator cavity in fluid communication with the container for collecting the juice.

Apparatus that detects the pressure of water that can move through a water channel (26) towards and away from a pressure sensor (22), wherein the apparatus is constructed to avoid damage from freezing water. The water channel is constructed with a narrow channel portion (40) and a wide channel portion (42) connected in series, with the narrow channel portion lying closer to the pressure sensor. When the ambient temperature falls below the freezing temperature of water, water in the narrow channel portion freezes before water in the wide channel portion freezes, and frozen water in the narrow channel portion acts like a plug to prevent water (or ice) from moving toward the pressure sensor.

The invention discloses a method for preparing a graphene foam material from furfural acetone formaldehyde resin. The method includes the steps that curing molding is conducted on furfural acetone formaldehyde resin by adding non-carbon-atom matter which can be easily removed at a high temperature, then high-temperature carbonization and graphitization are conducted in an inert gas environment, and thus the novel super-power graphene foam material with a hexagonal or pentagonal two-dimensional or three-dimensional polyhedral crystal net structure is formed. The obtained material is a carbon foam material with excellent performance, has the prominent properties of low thermal expansivity, high porosity and pore uniformity, good stability, high temperature resistance, corrosion resistance, good oxidation resistance, small density, light weight, processibility and the like, and the advantages of high thermal conductivity, high melting point, large specific heat, good electric conductivity and excellent shielding performance, and is wide in application range and long in service life. Besides, low-cost and large-batch production of the material can be achieved through the preparation method, no pollution is generated in the preparation or use process, and batch application of the graphene foam material is achieved.

The invention discloses a solar oil heat conducting and supplying device, which is composed of a solar tube (12), an expansion slot (6), three circulating pumps (8-1, 8-2 and 8-3), an energy storage tank (7), an oil thermostatic tank (9) and a heat supply body (10). The solar oil heat conducting and supplying device fully utilizes and stores a solar heat source and the characteristics of heat-conducting oil of high boiling point, large specific heat and the like; and the heat-conducting oil is heated by solar energy, circulated in a heating system and then transferred to the heat supply body. The solar oil heat conducting and supplying device can be applied to the fields such as production and processing, medical industry, sugar manufacturing, textile industry, chemical industry, food, large, medium and small power plants and the like.

The invention provides a method for preparing carbon nanotube and PCM-combined phase change temperature control component, which aims to provide a method for preparing a phase change temperature control component with high phase change latent heat and better heat conduction effect. The present invention is implemented as follows: casting pyrolytic graphite in the heat sink bottom and the verticalhot wall surface of a metal conductor packaging container; combining carbon nanotubes and phase change materials by ultrasonic vibration to form a carbon nanotube and phase change composite material,and charging the liquid carbon nanotube and phase change composite material in a heat conductive reinforcing skeleton by a vacuum co-fusion method; welding the heat conductive reinforcing skeleton ina phase change cavity to form a multilayer phase change latent heat self-control adjustment level that the pyrolytic graphite wrapping, in a U-shape, heat conductive reinforcing skeleton, and forminga thermal insulation buffer layer from the phase change cavity; and finally, welding a cover plate on the stepped opening of the metal conductor packaging container by electron beam welding, enclosingto form a closed phase change temperature control component, and processing to obtain the boundary dimension according to requirements.

The invention discloses a staggered splicing type steel plate-RPC anti-detonation door and a construction method thereof. According to the anti-detonation door, a cavity formed by a door leaf front side steel plate, a door leaf reverse side steel plate and a plurality of inner ribbed beams is filled with an RPC inner core. The construction method of the anti-detonation door comprises the steps that firstly, the door leaf front side steel plate, the door leaf reverse side steel plate and the inner ribbed beams are manufactured according to the size; secondly, the number of needed steel bars is calculated; thirdly, steel bar holes are formed in the inner ribbed beams in the length direction; fourthly, the door leaf front side steel plate is welded to the odd-number inner ribbed beams, and the door leaf reverse side steel plate is welded to the even-number inner ribbed beams; fifthly, the door leaf front side steel plate and the door leaf reverse side steel plate are spliced in a staggered manner, and the steel bars penetrate the steel bar holes; sixthly, reactive powder concrete is poured in the cavity formed by the door leaf front side steel plate, the door leaf reverse side steel plate and the multiple inner ribbed beams and is standing for 48 h; seventhly, the anti-detonation door is conveyed into a steam curing room at the temperature of 90 DEG C to be cured for 72 h; and eighthly, after 28 days, the RPC and the steel plates are effectively bonded to form the steel plate-RPC anti-detonation door. The staggered splicing type steel plate-RPC anti-detonation door and the construction method thereof are applied to anti-detonation protection projects.

The invention discloses a moxibustion instrument, in particular relaes to a moxibustion instrument for the moxibustion. The moxibustion instrument comprises an instrument body made of woodblock stonematerials and a cover detachably connected with the instrument body; the instrument body and the cover form a combustion chamber, and the combustion chamber is communicated with outside by a hole forthe insertion of a moxa roll located at the bottom of the cover, pores uniformly distributed on the circumference of the hole and at least two side holes located at the side surface of the combustionchamber; a base is provided with a groove with an opening facing towards the surface of the moxibustion surface; the upper bottom of the groove is provided with a through hole coaxial with the hole; and a drug containing cylinder mould with an opening at the upper end is embedded in the through hole. The invention provides the moxibustion instrument with good moxibustion effect and convenient drugapplication, and well utilizes the heat generated by combusting the moxa rolls.

The invention relates to an energy-storage clean energy superheated steam boiler adopting heat conduction oil to transfer heat and a method for preparing superheated steam and belongs to a solar energy utilization technology. The steam boiler is characterized by comprising a heat supply device, a heat conduction oil buffer tank, a heat storage device and a heat carrying product output device which are sequentially connected through a heat transfer medium delivery pipeline to form a circulation loop. The heat conduction oil buffer tank is further provided with an electric heating device independent of the heat supply device, and the electric heating device is powered by night valley current to conduct heating. Different heating modes can be selected according to different environment requirements to ensure that superheated steam and hot water can be supplied constantly even no sunlight is available. The boiler is good in economical benefit, is environmentally friendly, saves energy and reduces initial investment cost due to the fact that an energy storage material can adopt quartz sand compound fused salt invented by the company.

A system and a method of augmenting the heat up of a unit using a compressed, heated gas that contains moisture such as steam or vaporized water such that the specific heat of the gas is increased. In a preferred embodiment, steam in compressed inert gas such as nitrogen is capable of augmenting the heat up cycle for units such as process reactor vessels, furnaces, process steam and power production boilers, turbines, and other production vessels.

A portable therapeutic device includes a portable body having a recessed central region and a raised outer peripheral edge surrounding the recessed central region and directly engaged with the recessed central region, a plurality of massage balls seated at the recessed central region and spaced inside a perimeter of the raised outer peripheral edge, a thermal-conductive element channeled inside the outer peripheral edge and spaced from the recessed central region, and a power source communicatively coupled to the massage balls and the thermal-conductive element.

The invention discloses a high-heat-conductivity metal-carbonate molten salt material and a preparation method and application thereof; the high-heat-conductivity metal-carbonate molten salt material comprises, by weight, 0.05-2.6% of magnesium powder, and 97.4-99.95% of carbonate molten salt. The high-heat-conductivity metal-carbonate molten salt material has significantly improved heat conduction coefficient of high-liquid liquid, maintains low melting point and high specific heat capacity in carbonate molten salt, and has higher heat-conducting and heat-storing properties; the magnesium added is in 'mist' uniform distribution in the carbonate molten salt, and the 'mist' state is not affected by repeated cooling/heating conditions. The applicable range of the molten salt is further widened to the field of renewable energy sources and high-temperature industrial waste heat recovery, and the material has a promising application prospect in terms of comprehensive development and utilization of saline lake resources.

The invention relates to the technical field of plant anti-freezing agents, and more specifically, relates to a plant anti-freezing agent containing organic matters and a preparation method thereof. The anti-freezing agent comprises organic matters such as sugar containing matters, plant active matters, functional matters, and the like. The raw materials are all organic matters, and are nontoxic and pollution-free. The anti-freezing agent can be used in any phase of the growth period of plants, has an anti-freezing function, can provide nutrients to plants, can effectively activate the activity of plants, and thus improves the resistance of plants. The adhesion performance of the anti-freezing agent is strong, so the ant-freezing agent is difficult to remove by rainwater. Moreover, the dissolving performance and permeability of the ant-freezing agent are good. After the anti-freezing agent enters plants, the anti-freezing agent can form a protective film on the inner surface of plants, the size of the pores of leaves is reduced on the premise that the breath of plants is not influenced, thus the water loss caused by transpiration is reduced, drought stress caused by low temperature stress is prevented; the freezing point of water on the leaf surface is reduced, the cell sap concentration is increased, metabolism of cells is regulated, and the damage of plants caused by cold environment is relieved.