New Energy Technologies Magazine nr 3 2005.pdf - Index of

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Actuating body inlet (particularly, inlet of a cold stream from the diaphragm – Fig. 1) Heated heat carrier +∆t (to radiator 5, fig. 2) Heat carrier inlet Figure 3. Resonance pipe 1 – body; 2 – nozzle; 3 – cup; 4 – heat exchanger; 5 – regular pulsation zone; 6 – opening for cooled gas outlet. The conditions necessary for thermotransformation are the following: V – stream speed (a function of pressures P and P’ and also of the nozzle’s form); Certain mutual ratios expressed by dimensions H, l, D and d. the resonance tube (Fig. 3); the exhaust flow from the vortex thermotrasformer is not wasted but transformed into the actuating body for the “resonance tube”. The author knows no attempts to use the vortex thermotrasformer and the “resonance tube” with as much actuating body’s consumption as it is in the gas-dynamic heating system. Although its elements are known separately, they obtain new properties being combined like that and allow thermostating objects, which are remote from electric energy supply (in field conditions). References 1. Gupta and others. Swirling flows. M. Mir, 1987. 2. S. Geller. On the ejection air supply in the burnt gases’ exhaust system. // Motor-car industry. 1995. # 1. 3. S. Geller, Bermant Yu. The method f hydrodynamic influence and “Tantsuyuschaya zvezda” device for its realization. Patent of the Russian Federation # 2 175 272. 4. Unknown floating plates. // Znaniye sila. 1990. 5. Information bulletin # 89190 of Leningrad Interindustrial Technical Research Institute,1989. 6. A. Bogomolov, K. Mikhaylov. Hydraulics: a manual for hydraulic engineering specialities of higher education’s institute. M., 1972. p.99. 28 New Energy Technologies #3(22) 2005
VORTEX LIQUID HEATERS S. Geller Rostov-on-Don, Russia Tel. +7-863-270-13-49, CARMA555@MAIL.RU 1. Vortex liquid heaters (VLH) Recently, between the millenniums, a lot of materials concerning the excessive heat generation by VLH have been published. According to the words of VLH developers, these heat devices belong to hydro-dynamic type and are remarkable for an unusually high efficiency, i.e. a ratio of the produces heat to the consumed energy. For example, numerical values of the efficiency of heatgenerators suggested in sources [1], [2] almost reach one while values of the generators suggested in [3], [4] exceed it within the limits of a possible mistake of calorimetric measurements and values of the generators suggested in [5], [6] and [7] exceed one by a few times! Are vortex liquid heaters extra-efficient All VLH, in spite of the variety of their designs, are noted for two common peculiarities: - only liquid, mainly water, is used as an actuating body; - the water is specially mechanically treated. The treatment is called mechanoactivation. Mechanoactivation process consists in that water is rendered moving in complex irregular way by mechanical influence. Choose of motion type imperted to water is made, as a rule, using “the more complex the better” principle. There are no reasonable theories and well-founded selection criteria considering this. Choise of a motion type imperted to the water is made, as a rule, using a “the more complex, the better” principle. There are no reasonable theories considering this. it is possible to find three main types of VLH: • passive tangential, • passive axial and • active. New Energy Technologies #3(22) 2005 Passive ones are VLH of the static type, which do not contain moving parts in devices of the liquid flow formation. Mechanical activation in these generators results from interaction of moving liquid with motionless elements of the work chamber, which are made and located in such a way to turbulize the flow as much as possible. Passive VLH are distinguished by the method of liquid flow bringing in the work chamber, which can be tangential or axial. Active VLH include generators, where mechanical activation of the actuating body results from influence of generator’s moving activating elements on liquid. The elements can be rotating, swinging or moving in a complex way. Method of liquid flow bringing in the work chamber of the active VLH has no fundamental significance. The motion type of the moving activating element is more important for this type of generators. It is important to note that passive VLH with tangential bringing in of the liquid flow by no means is not a modification of widely known vortex [7] based on Ranque-Hilsh effect and assigned for thermo-transformation of a gas flow. Often met analogies (even among authors of VLH!) with vortexes explain nothing and only create confusion. Fundamental difference of VLH from Ranque’s vortex consists in absence of gaseous actuating body [1], hence, it is a question of cardinally diffrenet working processes. Let us consider a design philosophy of each of the distinguished groups. Basic elements of this device are streamtwirling device 1, work vortex chamber 2 with 29
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