The vortex tube has one inlet port and first and second outlet ports at opposite ends of a tube arranged perpendicular to the inlet port. exchanger hx Conventional compressor cooling is a highly power consuming/energy demanding method. MG INNOVATIONS CORPORATION, FINLAND, Free format text: The phase change heat exchanger device is more precisely discussed in claim. One of the advantages of PCM materials is their operation with small temperature differences. In other words the invention forces the PCM accumulator (, Once the temperature difference of indoor and outdoor air/gas/fluid is enough to make a phase change of material available, the vortex tube (, On the other hand the use of vortex tube (. The invention uses (absorbs) heat to create two phase changes at the same timeon the first outlet port (, When these phase changes have taken place, the flows through the heat exchangers (. The present invention has the purpose of creating a regenerative heat exchanger which can be used in most conditions, even where the external fluid is not available; and in particular, in conditions where the thermal difference of outgoing and incoming fluids is not sufficient to assure the phase change effect of PCM. PCM storages can also be given a plate-like shape. 
pcm heat phase change act material sinks thermal sink capabilities cooling manufacturing storage increases sample resources The vortex tube has no moving parts. The thermoelectric unit based on the Seebeck phenomenon converts heat into electricity, however, it has high production costs, thus becoming inappropriate for objects requiring larger amounts of energy. The phase change material heat exchanger device as defined in, 9. exchanger absorbed Which manner is used depends on economics. For example, it is expressly intended that all combinations of those elements and/or method steps which perform substantially the same function in substantially the same way to achieve the same results are within the scope of the invention. Latent heat is not observed as the temperature increases, since it is the energy required for a material to pass from one physical state to another, such as from ice to water and from water to vapour. At the first end of the device a vortex tube may be located, from which hot/cold fluid is lead out of a first outlet port through a chamber to the PCM. Air-conditioning units can be used in cold and warm outdoor conditions. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. It should be noted that to use heat recovery material is not as important regarding liquid handling.
The phase change material (PCM) heat exchanger device as defined in. The cell system may be made of any material having high thermal storage (heat capacity), such as aluminium or copper. Ventilation is important, but often it is impossible to use, for example, in places with polluted air, such as in shops on the street level. In accordance with the invention the vortex tube can be used with ventilation in cases where the temperature difference of indoor and outdoor air is not enough to create the phase change of the PCM. The cooling demand in buildings depends on three components: the heat load caused by outdoor air, by indoor air and by ventilation. The phase change material heat exchanger device as defined in, 10. heat phase change accumulators exchangers possibilities materials analysis use exchanger pcm tube 
In accordance with the invention, for a heat exchanger, the initial phase change of the PCM is created quickly by the temperature of the air exiting the vortex tube. phase change heat material pcm exchanger air cooling building manufacturers cold storage materials condition ac method calculating example In the case of air flow, water vapour contained in the air during such cycles is condensed onto the surface of the corresponding cell, and during the subsequent cycle, it returns into the air by evaporation. In patents DE 3825155, U.S. Pat.
The system can be used without ventilation as well. Thus, for instance, the energy required for water evaporation is released when the vapour is re-condensed in the form of liquid water. Check for plagiarism, Get it removed and hire a writer to help in future writing. The invention uses the phase change of the material (PCM) cyclically reversing the process for example between solid and liquid-latent heat of fusion. hx exchanger pcm latent thermal One stop shop for all your writing, editorial, design and ebook needs. Calculated in terms of the hot zones in the United States and of their average electricity tariffs, the ventilation device of the present invention may have a payback time of less than a year. In a PCM heat storage, known per se, material phase changes are generally between a solid state and a liquid state. Thus although a nail and a screw may not be structural equivalents in that a nail employs a cylindrical surface to secure wooden parts together, whereas a screw employs a helical surface, in the environment of fastening wooden parts, a nail and a screw may be equivalent structures. While there have been shown and described and pointed out fundamental novel features of the invention as applied to preferred embodiments thereof, it will be understood that various omissions and substitutions and changes in the form and details of the devices and methods described may be made by those skilled in the art without departing from the spirit of the invention. pcm exchanger heat phase manufacturers faq material change faqs pcms general modular The apparatus of the invention is inexpensive, relatively quiet, light, maintenance-friendly, and it does not contain hazardous substances. In accordance with the invention, inside air cooling is possible with low power drain if the engine is off. exchanger adapted thermocline implemented capacities 
The flow, which is not led through the heat exchanger/PCM can be lead to the outside space. exchanger In addition to the initial costs, traditional heat recovery ventilators and heat pumps utilising outdoor air cannot operate without additional external energy at temperatures below zero Celsius. pcm exchanger schematic heat acetamide thermophysical discharging exchanger heat tube shell straight exchangers condenser air pass diagram conditioning types engineering selection wiki power Therefore several PCM accumulator materials are required. Consequently, such devices will have very short operation periods per year (either in winter or summer, but not through the year). 
The reverse process releases the same amount of energy that was absorbed previously. 
considerations 
This application is the U.S. National Stage of International Application Number PCT/FI06/050434 filed on Oct. 10, 2006 which was published in English on Apr. The PCM operation is thus based on cyclic charges and discharges. 
using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. This tube is also not connected to any heat exchanger either with the PCM or without, because its continuous principle of operation does not allow the vortex tube to be connected with a device which operates periodically, as in the present invention. hx shareable 4,407,134 and published US application US 2002073848, a vortex tube is mentioned as a separate device used for production of a cool air stream on one side and a hot air stream on the other side. A stationary, regenerative and accumulating storage cell system operating on the counter-current principle is straightforward and effective. Instead of vortex tube, conventional technology such as a compressor can be used to create a thermal difference, but then the efficiency is lower. A vortex tube or similar device, known per se, takes advantage of the Venturi phenomenon. This is a very important issue regarding states e.g., China, which often lack sufficient electrical power. The phase change material heat exchanger device as defined in, 8. As the climate warms up, cooling and dehumidification will require more energy. Typical media comprise water/ice, salt brines, inorganic salt hydrates, saturated hydrocarbons and fatty acids of high molecular weight. The invention is applicable to heat transfer between air, other gases and liquids. Thus the thermal difference is created quickly and efficiently by vortex tube. Such state changes may be endothermic, i.e. 
In accordance with the invention, one PCM accumulator is added to at least one heat recovery cell, the heat stored in the accumulator being released when the air flow directions are reversed. PCM storage units have the benefits of a small size, compared e.g. ice using phase change material [PCM] for storage, REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES, REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS, Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point, Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect, Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect, Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container, GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS, TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE, REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION, Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation. 
This is important concerning air and gas handling due to condensation and evaporation of humidity.
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This invention relates to a heat exchanger comprising a regenerative heat exchanger operating on the counter-current principle and of a phase change material (PCM) enthalpy accumulator in the heat exchanger and/or a vortex tube taking advantage of the Venturi phenomenon. heat pcm change phase material exchanger air materials hdpe condition stackable exchange panels they release thermal energy. 
Each accumulator and the heat recovery material are connected such that the heat transfer can take place as efficiently as possible. If the temperature between outdoor and indoor air of ventilation is same, of course phase change does not take place. 
ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MOILALA, KARI;GASIK, MICHAEL;REEL/FRAME:019857/0742, Free format text: exchanger rt70 paraffin melting specific they bind (absorb) thermal energy, or exothermic, i.e. The vortex tube can be located for example at both ends of the device or in the middle between the heat exchangers and PCMs. On the other hand phase change requires a lot of energy. Using a vortex tube as mentioned above as a pre-heater/cooler, only few PCM accumulator materials are needed due to the vortex tube making incoming fluid's temperature quite stable and optimal before PCM accumulator material. Ignited Minds Professional & Academic Research Consortium (IMPARC). exchanger heat tube shell exchangers straight condenser air pass diagram conditioning types engineering wiki selection power In a regenerative system, heat is stored effectively in heat recovery cells. The Seasonal energy efficiency ratio (SEER) of the invention is relatively more even due to non-freezing in the winter and free of charge evaporation in the summer. The compressor driven cooler of cars require that the engine be running when using the compressor. 
The phase change material heat exchanger device as defined in, 11. In accordance with the invention the device needs only three fans to operate, namely two for recycling or ventilating the air/fluid (two fans/pumps of nearly equal capacity are needed to balance fluid flow and to avoid pressure drops), and one for the vortex tube. a vortex tube having an inlet port for receipt of compressed air, a first outlet port configured to dispense warm air, and a second outlet port configured to dispense cold air, the vortex tube located within the chamber so as to deliver cooling or heating to said first heat exchanger cell. ZAE Bayern Bayerisches Zentrum fr angewandte Energieforschung e.V. In many applications, like cooling of computers, ventilation is unnecessary. 7,059,385). This makes possible use of low-power sources such as solar panels, for example, in the transportation containers as well as remote telecom base stations. No. 
2. heat exchanger hx pcm phase material change A compressible fluid such as air enters the inlet port and heated air exits the first outlet port while cooled air exits the second outlet port. This temperature difference/heat is created/enhanced by the vortex tube (. Heat discharges from the PCM storage constitute a major problem, because further heat cannot be stored unless it has first been discharged. 
The phase change material (PCM) heat exchanger device as defined in, 3. using solar heat or combined with household units such as an oven or water heater, Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. PCM accumulator materials are available for certain ranges of temperatures. The invention is explained below by means of an example and with reference to the accompanying drawings, wherein: Alternatively, a single rotary type regenerative heat exchanger can be used when modified for two cell air flows, but efficiency is not as good as two heat exchangers. The air then is hot or cold. Moreover, it should be recognized that structures and/or elements and/or method steps shown and/or described in connection with any disclosed form or embodiment of the invention may be incorporated in any other disclosed or described or suggested form or embodiment as a general matter of design choice. In addition to buildings, the present invention can be used with vehicles, industrial and commercial equipment rooms, as well as any closed compartments which require controlled climatic conditions, for instance for cooling in processes and apparatus such as computers and telecom equipment. PATENTED CASE, Free format text: mentve The use of energy is very low and therefore the electric connection power requirement is low as well. In closed isolated environments such as submarines or clean rooms, a low noise level is an additional basic requirement, when the fresh air supply is not available. The phase change material heat exchanger device as defined in, 12. exchanger radiator cooling In conventional ventilation, heat recovery devices and coolers have long payback times. The flow from the first outlet port is lead to the heat exchanger of the device, where the PCM is located. 7.
heat exchanger tube type phase change Such storages are usually maintained in the temperature range 0-100 C., thus being suitable for short-term energy storage when connected to heaters and coolers. This low noise level can be achieved with the present invention.
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