51results about How to "Maximize heat transfer efficiency" patented technology

A tube and shell heat exchanger is formed by a shell enclosing an internal sidewall which in turn receives an internally located flow controller outer and inner heat exchange cavities are formed between the outer shell and the internal shell and the internal shell and the flow controller, respectively. Helical convolutions of the conduit are provided in each of the heat exchange cavities for counter concurrent flow of fluid medium from one cavity to another. A bottom wall closes off the outer shell.

The invention discloses a loop heat pipe type terrestrial heat exploitation system with adjustable and controllable working medium circular flow. The loop heat pipe type terrestrial heat exploitation system comprises a casing pipe type loop heat pipe, an earth surface heat exchanger and a liquid storage box. The earth surface heat exchanger and the liquid storage box are both located on the ground. The casing pipe type loop heat pipe comprises an evaporation section, a heat insulation section and a backflow section. The evaporation section is located in a high temperature heat reservoir. The earth surface heat exchanger is provided with a condensation section, and the condensation section and the outside carry out heat exchange. A one-way valve or a steam pump is arranged between the heat insulation section and the condensation section. A one-way throttle valve is arranged between the liquid storage box and the backflow section. The evaporation section, the heat insulation section, the condensation section, the liquid storage box and the backflow section are communicated in sequence end to end. Working medium fluid of the liquid storage box enters the evaporation section through the backflow section, and the liquid working medium fluid entering the evaporation section generates film boiling after absorbing heat. According to the loop heat pipe type terrestrial heat exploitation system, the working medium fluid of the liquid storage box passes through the backflow section, the liquid phase backflow mode and the boiling mode of the evaporation section are controlled, the effective filling factor of the terrestrial heat pipe can be adjusted in real time, and therefore terrestrial heat energy is stably and efficiently extracted.

A method of regulating a temperature within a vaporizer heating assembly includes providing a vaporizer heating assembly that includes a vapor inhalation device shaped to contain a vapor and deliver the vapor to a user's mouth without expelling the vapor into the atmosphere, an airflow chamber mechanically coupled to the vapor inhalation device, a heating chamber disposed within the airflow chamber, a fan in fluid communication with an air passageway defined by an interior surface of the airflow chamber and an exterior surface of the heating chamber, a temperature probe disposed proximate, but not in direct physical contact with the airflow chamber, and a temperature controller thermally coupled to the temperature probe and communicatively coupled to the heating chamber, the temperature controller operable to control a temperature output of the heating chamber in response to temperature information received from the temperature probe. The method further includes the steps of sensing a temperature of an area surrounding a portion of the airflow chamber with the temperature probe, communicating the sensed temperature of the area surrounding a portion of the airflow chamber to the temperature controller, operating the fan to direct air into a proximal end of the airflow chamber, sensing with the temperature probe a change in the temperature of the area surrounding the portion of the airflow chamber, and communicating the sensed temperature change to the temperature controller.

The invention relates with the feed-back control system of a heat exchanger by use of the flow resonance phenomenon which maximizes the heat transfer efficiency by generating the flow disturbances of a heat transfer medium. If a heat transfer medium is periodically stimulated at the characteristic frequency of a heat exchanger, the flow resonance frequency, which is dependent upon the flow conditions of heat transfer medium and the geometries of a heat exchanger, the disturbances of heat transfer medium is increased to the extent that heat transfer is dramatically high. This system is composed of the detecting part for the detection of flow characteristics, the processing part for the determination of flow resonance frequency, and the stimulating part which excites a heat transfer medium at the calculated flow resonance frequency.

Counter-flow heat exchanger is constructed with plenums at either end that separate the opposing fluids, the channels of which are arrayed in a checkerboard patterns, such that any given channel is surrounded by channels of opposing streams on four sides—laterally on both sides and vertically above and below.

A heat transfer device having a heat source for collecting waste heat from a heat-generating system, the heat transfer device having fins in which the shape of the sides of the fins is preferably circular according to the general expression ${\left(x-\frac{1}{\gamma }\right)}^2+{\left(y-\frac{\rho }{\gamma }\right)}^2=\frac{1}{{\gamma }^2},$

where $\gamma =\frac{h}{k},$

h is the heat transfer coefficient between the fin and the surrounding fluid, k is the thermal conductivity of the fin material, $\rho =\frac{q_o}{k{\theta }_o},q_o$

is the heat flow through the fin semi-base per unit depth and θ₀ is the difference between the temperatures of the heated surface and the surrounding fluid.

A charging status indicator of an electric vehicle installed at one side of a charging status indicator cover to indicate a charging status of the electric vehicle as an illumination may include a lens-integrated lamp housing and a printed circuit board (PCB) housing which are vertically coupled to each other, a PCB installed in the PCB housing and having a plurality of Light Emitting Diodes (LEDs) mounted thereon, and a diffusion cap diffusing LED.

The invention provides a heat exchanger and a heat exchange apparatus. The heat exchanger comprises: a plurality of fins that are arranged at intervals; a plurality of heat exchange pipes extended onthe surface of the fins or formed in the fins. The heat exchanger and the heat exchange apparatus have the advantage the heat exchange pipes and the fins are high in heat exchange quantity and heat exchange efficiency.

The invention discloses a temperature-controllable double-gas channel spraying plate with a uniform gas spraying function and mainly solves the problems of low heat transfer efficiency, large size of a spraying part and the like caused by non-reasonable structure in the prior art. The temperature-controllable double-gas channel spraying plate with the uniform gas spraying function is structurally characterized in that two gas channels and a snake-like liquid heat transfer medium channel are arranged inside the spraying plate; the two gas channels are isolated from each other; the snake-like liquid heat transfer medium channel is high in heat transfer efficiency. The two isolated gas channels and the snake-like liquid heat transfer medium channel are formed by combining an upper spraying plate, a diffusion baffle, a gas inlet ring, a closed ring and a spraying pore plate included by the part. A convective heat transfer position is arranged on one side of small spraying holes in a form of welding two parts to form a liquid-state heat transfer medium channel, so that the heat transfer efficiency is maximized, process requirements on simultaneous charging of two gases into cavities or switching of the cavities for reaction under controllable temperature conditions are met, the size of a spraying part is reduced, the heat transfer efficiency is improved, and the reliability of the spraying part is guaranteed.

The invention discloses an air conditioner heat exchange system and an air conditioner comprising the same. The air conditioner heat exchange system comprises a distributor and a heat exchanger consisting of multiple heat exchange units, wherein the distributor is provided with multiple flow splitting holes in one-to-one correspondence and communicated with the heat exchange units; and a throttle valve is arranged between each flow splitting hole and the corresponding heat exchange unit. According to the heat exchange system disclosed by the invention, as the throttle valves are arranged between the heat exchange units and the flow splitting holes of the distributor, by adjusting the throttling aperture of the throttle valves according to the different heat exchange efficiencies of the heat exchange units, the refrigerant of corresponding flow is enabled to pass through the heat exchange units, and the heat exchange efficiency can be maximized.

The invention provides a heat exchanger and heat exchange equipment. The heat exchanger comprises a plurality of fins, heat exchange tubes and an unilateral collecting flow tube, wherein the pluralityof fins are arranged at intervals, the heat exchange tubes extends to the surfaces of the fins or are formed in the fins, and the heat exchange tubes are arranged in a buckling and folding shape; theunilateral collecting flow tube is arranged at one end in the length directions of the fins, the unilateral collecting flow tube comprises an inflow passage and an outflow passage, wherein the inflowchannel and the outflow channel are arranged at the two ends in the width direction of the fins correspondingly; and the two ends of the heat exchange tubes correspondingly communicate with the inflow channel and the outflow channel. According to the heat exchanger and the equipment, the heat exchanger and the heat exchange equipment has the advantages of being compact in structure, high in heatexchange, high in heat exchange efficiency and capable of realizing miniaturization design of the heat exchanger.

The invention belongs to the technology field of household air conditioning heat dissipation and particularly relates to a microchannel radiator for an air conditioner. According to the microchannel radiator for the air conditioner, the surfaces of fin pieces of the radiator are coated with a graphene heat dissipation coating, the graphene heat dissipation coating comprises electrically-treated graphene, a silicon oxide nanofiber material and nano-copper particles, and the nano-copper particles are deposited in a composite material formed by the electrically-treated graphene and silicon oxidenanofiber through a way of electrodeposition. By means of the microchannel radiator for the air conditioner, under the premise of ensuring the three-dimensional structure stability, the heat conduction effect is maximized, and meanwhile, the mechanical stability can be enhanced.

The invention relates to an anti-corrosion light high-efficiency finned type heat exchanger, which comprises a plurality of laminated fins. A plurality of inner tubes are arranged on the fins; an insert grooves are arranged at joints of the fins and the inner tubes; and two adjacent fins are connected through the insert groove. In order to ensure the service life of the heat exchanger in a corrosive environment and improve corrosion resistance, the surface of each fin of the heat exchanger is subjected to ceramic and seal treatment to form a strong and compact anti-corrosion film, so that acid and alkali corrosion and oxidation are prevented. By the ceramic treatment technology, conditions are created for using light metal with low corrosion resistance. The anti-corrosion heat exchanger made of materials such as aluminum and an aluminum alloy, magnesium and a magnesium alloy, titanium and a titanium alloy and the like is realized. The close fit among the fins, and the close fit among the fins and the inner tubes are realized, a gap does not exist and a soldering process can be saved. Innovative designs are adopted, so the product has the advantages of high cost performance, good economic benefit, energy conservation and emission reduction, low manufacturing cost and easy marketing.

The invention relates to a layout method of an automobile air conditioner, in particular to a layout method of an electric heater and a hot air core in the automobile air conditioner. The invention further relates to the automobile air conditioner manufactured according to the layout method thereof, and particularly relates to an automobile air conditioner in the field of new energy resources. The layout method of the automobile air conditioner includes layout of the electric heater and the hot air core, and is characterized in that both the electric heater and the hot air core are arranged in a main airflow area in an air conditioner box and are perpendicular to an airflow direction, sizes of the hot air core and the electric heater meet the formula: d2/d2>=2/3, wherein d1 is the height of the cross section of the hot air core, and d2 is the height of the cross section of the electric heater. The air conditioner is manufactured according to the layout method. Technical problems that heat exchange efficiency of an electric heater and a hot air core of the prior art is low, and air volume loss of an air conditioner is high due to air pressure reduction are solved.

A fin for a heat exchanger includes a member and a first row formed in the member. The first row having a plurality of valley sections alternating with a plurality of crest sections. A plurality of walls is interposed between and integrally joins the plurality of valley sections and the plurality of crest sections. At least one of the plurality of walls of the first row is angled with respect to a lateral axis of the member. A second row is formed in the member, the second row having a plurality of valley sections alternating with a plurality of crest sections and a plurality of walls interposed between and integrally joining the plurality of valley sections to the plurality of crest sections.