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 Найдено в других БД:Каталог книг и продолжающихся изданий (1)Труды Института высокотемпературной электрохимии УрО РАН (1)Труды сотрудников Института органического синтеза УрО РАН (1)Труды сотрудников Института химии твердого тела УрО РАН (6)Публикации Чарушина В.Н. (1)
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Общее количество найденных документов : 44
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 1-10    11-20   21-30   31-40   41-44 
1.
Инвентарный номер: нет.
   
   E 70

    Ermakov, G. V.
    Problem of Cooling and Solidification of Glass [] / G. V. Ermakov, G. V. Kupfer // Glass and Ceramics. - 1978. - V.35, Is.7. - С. 383-386
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
GLASS

\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Glass and Ceramics\\1978, v. 35, N. 7, p.383.pdf
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2.
Инвентарный номер: нет.
   
   D 67

    Dmitrin, V. I.
    Experimental investigations of a closed-loop oscillating heat pipe / V. I. Dmitrin, Yu. F. Maydanik // High Temperature. - 2007. - Vol. 45, № 5. - С. 703-707. - Bibliogr : с. 707 (6 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ZONES OF HEATING -- HEAT TRANSPORT -- SIMULTANEOUS DECREASE
Аннотация: Results are given of experimental investigations of an oscillating heat pipe (OHP) made in the form of a closed-loop coil of a copper capillary tube with an inside diameter of 2 mm, 4.5 m long, and filled with water in an amount of 50% of internal volume. The starting characteristics of OHP are studied in the range of heat loads from 30 to 100 W under conditions of cooling by way of natural and forced air convection. The pattern of temperature pulsations in the zones of heating, heat transport, and cooling is investigated. It is found that temperature pulsations exhibit a chaotic pattern. In cooling of an OHP by way of natural convection, the increase in heat load is accompanied by an increase in the maximal temperature of the heating zone with a simultaneous decrease in the nonuniformity of the temperature field. When an OHP is cooled by way of forced convection, a decrease in the maximal temperature of the heating zone is observed; however, this is accompanied by an increase in the amplitude of temperature pulsations and in the nonuniformity of the temperature field

\\\\Expert2\\NBO\\High Temperature\\2007, v. 45, p.703.pdf
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3.
Инвентарный номер: нет.
   
   M 73

   
    Miniature loop heat pipes for electronics cooling / V. G. Pastukhov, Yu. F. Maydanik, S. V. Vershinin, M. A. Korukov // Applied Thermal Engineering : 12th International Heat Pipe Conference Location, Russia, 19-24 may 2002 . - 2003. - Vol.23, № 9. - С. 1125-1135
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
MINIATURE LOOP HEAT PIPE -- CPU -- THERMAL RESISTANCE
Аннотация: The paper is devoted to the development of miniature loop heat pipes (mLHPs) with a nominal capacity of 25-30 W and a heat-transfer distance up to 250 mm intended for cooling electronics components and CPU of mobile PC. It gives the results of investigating several prototypes of mLHPs incorporated into remote heat exchanger (RHE) systems in different conditions. It has been established that in the nominal range of heat loads orientation does not practically affect the mLHPs operating characteristics. Under air cooling the total thermal resistance of such a system is 1.7-4.0degreesC/W and depends strongly on the cooling conditions and the radiator efficiency. In this case the mLHP's own thermal resistance is in the limits from 0.3 to 1.2degreesC/W, and the maximum capacity reaches 80-120 BT. The obtained results make it possible to regard mLHPs as quite promising devices for RHE systems providing thermal regimes for electronics components and personal computers. (C) 2003 Elsevier Science Ltd. All rights reserved

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4.
Инвентарный номер: нет.
   
   M 19

    Maydanik, Yu. F.
    Loop heat pipes / Yu. F. Maydanik // Applied Thermal Engineering. - 2005. - Vol.25, №5-6. - С. 635-657
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
HEAT-TRANSFER DEVICE -- LOOP HEAT PIPES -- COOLING
Аннотация: Loop heat pipes (LHPs) are two-phase heat-transfer devices with capillary pumping of a working fluid. They possess all the main advantages of conventional heat pipes, but owing to the original design and special properties of the capillary structure are capable of transferring heat efficiency for distances up to several meters at any orientation in the gravity field, or to several tens of meters in a horizontal position. Besides, the LHP conception allows a wide variety of different design embodiments, which essentially extends the sphere of functional possibilities and practical application of these devices. The paper is a review of developments, results of theoretical analysis and tests of LHPs performed at the Institute of Thermal Physics and some other organizations. It gives examples of successful application of these highly efficient devices in space technology and electronics

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5.
Инвентарный номер: нет.
   
   P 31

    Pastukhov, V. G.
    Development and investigation of a cooler for electronics on the basis of two-phase loop thermosyphons / V. G. Pastukhov, Yu. F. Maydanik, V. I. Dmitrin // Heat Pipe Science and Technology, An International Journal , vol. - Vol.1, №1. - С. 47-57
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LOOP THERMOSYPHON -- EVAPORATOR -- CAPILLARY STRUCTURE,
Аннотация: The objective of this work was to develop a device for cooling electronic elements with a heat power up to 30 W by its rejection and dissipation in the ambient by free air convection. The device specification assigned the temperature range of the ambient conditions from −40 to +105° C and the available space of 30(W) × 120(H) × 200(L) mm. As a result a hybrid scheme based on a loop thermosyphon was proposed, where the evaporator embodied the capillary structure. In such a scheme, the return working fluid flow was ensured by the combined action of the gravity and capillary forces. Several prototypes with different loop and evaporator designs were tested in laboratory conditions. Water and heptane were used as working fluids. The experiments showed that the role of the capillary structure locally placed in the evaporator can be efficiently implemented by both highly porous cellular materials and capillary grooves made on the evaporating surface. It is also shown that heptane can be effectively used as a working fluid which is appropriate for the temperature range requirements. At the same time the device has good mass-and-size characteristics and total thermal resistance under a nominal heat load of about 1.7° C/W

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6.
Инвентарный номер: нет.
   
   L 88

   
    Loop Heat Pipes for Cooling Systems of Servers / Yu. F. Maydanik, S. V. Vershinin, V. G. Pastukhov, S. Fried // IEEE Transactions on Components and Packaging Technologies. - 2010. - Vol.33, №2. - С. 416-423
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
HEAT-TRANSFER DEVICE -- LHPs -- OPTERON CPUs
Аннотация: Loop heat pipes (LHPs) are exceptionally efficient heat-transfer devices that employ a closed loop evaporation-condensation cycle that can be used to cool densely packed electronic systems that reject large quantities of heat, including computers and their central processing units (CPUs). Tests were carried out on miniature ammonia LHPs with a CPU thermal simulator using different ways of condenser cooling. The possibility of maintaining the cooled object temperatures between 40°C and 70°C with heat load changing from 100 to 320 W was demonstrated. Subsequent tests of these devices in a 1U computer with dual core advanced micro devices Opteron CPUs, dissipating between 95 and 120 W, have confirmed the advantages and heat transfer efficiency of LHP-based cooling systems used to cool CPU in 1U chassis

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7.
Инвентарный номер: нет.
   
   I-70

   
    Investigation of a compact copper–water loop heap pipe with a flat evaporator / Yu. F. Maydanik, S. V. Vershinin, M. Chernysheva, S. Yushakova // Applied Thermal Engineering. - 2011. - Vol.31, №16. - С. 3533-3541. - Библиогр.: с. 3541 (22 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
ELECTRONICS COOLING -- LOOP HEAT PIPE -- FLAT–OVAL EVAPORATOR
Аннотация: A compact copper–water loop heat pipe (LHP) with an effective length of 310 mm equipped with a flat–oval evaporator measuring 80 (L) × 42 (W) × 7 (H) has been tested. The vapor line and the condenser had the same internal diameter of 5.4 mm. The internal diameter of the liquid line was 3.4 mm. Tests were conducted with a heat source which had a heating surface of 30 mm × 30 mm. The condenser was cooled by running water with a temperature of 20 °C. In the horizontal position the device has exhibited serviceability in the heat load range from 5 W to 1200 W at vapor temperatures from 26.5 °C to 103.4 °C. The maximum capacity was achieved at a heat source temperature of 143.5 °C, when the LHP thermal resistance was equal to 0.044 °C/W. The corresponding values of thermal resistance for the evaporator and the condenser were at a level of 0.006 °C/W and 0.038 °C/W. A minimum thermal resistance of 0.097 °C/W for the “heat source–LHP–cooling water” system was obtained at a heat load of about 700 W, at which the temperature of the heat source was 87 °C

\\\\expert2\\NBO\\Applied Thermal Engineering\\2011, v. 31, p.3533.pdf
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8.
Инвентарный номер: нет.
   
   P 30

   
    Passive cooling system for an aircraft electronic box / Yu. F. Maydanik, S. V. Vershinin, V. G. Pastukhov, M. Chernysheva, C. Sarno, C. Tantolin // Heat Pipe Science and Technology, An International Journal , vol. - 2010. - Vol.1, №3. - С. 251-260
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
AIRCRAFTS -- LOOP HEAT PIPE -- ELECTRONIC BOX -- PASSIVE COOLING SYSTEM
Аннотация: The paper represents the results of development and thermal tests of a cooling system of a seat electronic box, managing the in-flight entertainment system used aboard commercial aircrafts. The system is completely passive and consists of two conventional copper-water miniature heat pipes and two miniature loop heat pipes with R-141b as a working fluid. Two crossbeams of a passenger seat made of aluminum alloy cooled by means of free air convection were used as heat sinks. At the maximum heat load of 100 W the cooling system provides a temperature of a cooled object at a level of not above 81°C at the ambient temperature of 22°C, which is 4°C below that of the maximum specified temperature

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9.
Инвентарный номер: нет.
   
   M 73

   
    Miniature loop heat pipes-a promising means for cooling electronics / Yu. F. Maydanik, S. V. Vershinin, M. A. Korukov, J. M. Ochterbeck // IEEE Transactions on Components and Packaging Technologies. - 2005. - Vol.28, №2. - С. 290-296
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LOOP HEAT PIPES -- HEAT-TRANSFER DEVICE -- MINIATURE LOOP HEAT PIPE
Аннотация: Loop heat pipes (LHPs) are highly efficient heat-transfer devices, which have considerable advantages over conventional heat pipes. Currently, miniature LHPs (MLHPs) with masses ranging from 10-20 g and ammonia and water as working fluids have been developed and tested. The MLHPs are capable of transferring heat loads of 100-200 W for distances up to 300 mm in the temperature range 50-100°C at any orientation in 1-g conditions. The thermal resistance for these conditions are in the range from 0.1 to 0.2 K/W. The devices possess mechanical flexibility and are adaptable to different conditions of location and operation. Such characteristics of MLHPs open numerous prospects for use in cooling systems of electronics and computer systems

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10.
Инвентарный номер: нет.
   
   S 82

   
    Steady-state and transient performance of a miniature loop heat pipe / Chen. Yuming, M. Groll, R. Mertz, Yu. F. Maydanik // International Journal of Thermal Science. - 2006. - Vol.45. - С. 1084-1090
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
LOOP HEAT PIPES -- HEAT TRAHSFER -- ELECTRONICS COOLING
Аннотация: A series of tests have been carried out with a miniature loop heat pipe (mLHP), which has been developed for consumer electronics cooling, for horizontal and four vertical orientations under different sink temperatures. The mLHP has a cylindrical evaporator of 5 mm outer diameter and 29 mm length. The steady-state operating characteristics are similar for different orientations except for the orientation where the evaporator is above the compensation chamber. At an evaporator temperature of 75 °C, an evaporator heat load up to 70 W can be reached with thermal resistance of about 0.2 °C/W. The transient behavior of the mLHP is studied in detail. In general, the mLHP can be started up with very low power input (5 W). Big temperature oscillations in the liquid line were found in many cases, however, the temperature oscillations in the evaporator are minimum. The orientations greatly influence the operating characteristics of the mLHP. At least for the horizontal orientation, the overall performance of the tested mLHP is satisfying

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