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Общее количество найденных документов : 64
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1.
Инвентарный номер: нет.
   
   A 10


   
    A method of controlled pulse heating: Applications / P. V. Skripov, A. A. Smotritskiy, A. A. Starostin, A. V. Shishkin // Journal of Engineering Thermophysics. - 2007. - Vol.16, №3. - С. 155-163
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
THERMOPHYSICAL PROPERTIES -- THERMAL STABILIZATION -- HIGH-MOLECULAR FLUIDS
Аннотация: This paper is devoted to the state-of-the-art and technical potentials of the pulse heating method for the thin wire probe created in the Ural thermophysical school for studying the kinetics of spontaneous boiling and the related phenomenon of liquid attainable superheating. Special attention is paid to the search for technical means for controlling the power of the probe heating in a pulse experiment with the thermophysical properties of the substance taken into account. Applications of three particular cases are considered: techniques for the constant heating power, the thermal stabilization of the pulse-heated probe, and cooling of the shock-heated probe for investigating the behavior of multicomponent and high-molecular fluids essentially superheated above the temperature of phase equilibrium and/or temperature of molecule thermodestruction in a quasi-static process. Opportunities for application of the method are presented, in particular, for fast detection of volatile admixtures (including their traces) in high-molecular fluids, e.g., in oils of power equipment

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2.
Инвентарный номер: нет.
   
   A 10


   
    A method of controlled pulse heating: Applications / P. V. Skripov, A. A. Smotritskiy, A. A. Starostin, A. V. Shishkin // Journal of Engineering Thermophysics. - 2007. - Vol.16, №3. - С. 155-163
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
THERMOPHYSICAL PROPERTIES -- THERMAL STABILIZATION -- HIGH-MOLECULAR FLUIDS
Аннотация: This paper is devoted to the state-of-the-art and technical potentials of the pulse heating method for the thin wire probe created in the Ural thermophysical school for studying the kinetics of spontaneous boiling and the related phenomenon of liquid attainable superheating. Special attention is paid to the search for technical means for controlling the power of the probe heating in a pulse experiment with the thermophysical properties of the substance taken into account. Applications of three particular cases are considered: techniques for the constant heating power, the thermal stabilization of the pulse-heated probe, and cooling of the shock-heated probe for investigating the behavior of multicomponent and high-molecular fluids essentially superheated above the temperature of phase equilibrium and/or temperature of molecule thermodestruction in a quasi-static process. Opportunities for application of the method are presented, in particular, for fast detection of volatile admixtures (including their traces) in high-molecular fluids, e.g., in oils of power equipment

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3.
Инвентарный номер: нет.
   
   S 66


    Skripov, V. P.
    Attainable Superheating and Explosive Boiling-Up of Liquids [Text] / V. P. Skripov // Hemisphere Publishing Corporation: International seminar on turbulent natural convention (Dubrovnik, Yugoslavia, 30 Aug. - 4 Sept. 1976). - 1976. - P601-614
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
СЕМИНАРЫ -- ДОКЛАДЫ -- ПЕРЕГРЕВ ЖИДКОСТЕЙ -- ЖИДКОСТИ (ТЕПЛОФИЗИКА) -- КИПЕНИЕ ВЗРЫВНОЕ -- ВЗРЫВНОЕ КИПЕНИЕ -- ПЕРЕГРЕВ ДОСТИЖИМЫЙ -- ДОСТИЖИМЫЙ ПЕРЕГРЕВ -- ТЕПЛОФИЗИКА

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4.
Инвентарный номер: нет.
   
   S 66


    Skripov, V. P.
    Attainable Superheating and Explosive Boiling-Up of Liquids [Text] / V. P. Skripov // Hemisphere Publishing Corporation: International seminar on turbulent natural convention (Dubrovnik, Yugoslavia, 30 Aug. - 4 Sept. 1976). - 1976. - P601-614
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
СЕМИНАРЫ -- ДОКЛАДЫ -- ПЕРЕГРЕВ ЖИДКОСТЕЙ -- ЖИДКОСТИ (ТЕПЛОФИЗИКА) -- КИПЕНИЕ ВЗРЫВНОЕ -- ВЗРЫВНОЕ КИПЕНИЕ -- ПЕРЕГРЕВ ДОСТИЖИМЫЙ -- ДОСТИЖИМЫЙ ПЕРЕГРЕВ -- ТЕПЛОФИЗИКА

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5.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Attainable superheating of liquefied gases and their solutions (Review Article) [Electronic resource] / V. G. Baidakov // Low Temperature Physics . - 2013. - Vol.39, №8. - P643-664. - Bibliogr. : p. 663-664 (80 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
KINETICS -- BOILING-UP -- QUANTUM NUCLEATION
Аннотация: This review addresses the kinetics of spontaneous boiling-up of liquefied gases and their solutions. It discusses the theories of thermal and quantum nucleation in metastable liquids. The experimental methods for studying the nucleation kinetics are outlined. The experimental data on the attainable superheating temperature for cryogenic liquids and solutions of liquefied gases are presented in a wide range of pressures, including negative ones. The properties of new-phase nuclei near the boundary of attainable superheating are discussed. The kinetics of initiated and heterogeneous nucleation is considered. The experimental data on detection of quantum tunneling of nuclei are presented. The experimental data are compared with the theories of thermal and quantum nucleation

\\\\expert2\\NBO\\Low Temperature Physics\\2013, v.39, N 8, p.643-664.pdf
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6.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Attainable superheating of liquefied gases and their solutions (Review Article) [Electronic resource] / V. G. Baidakov // Low Temperature Physics . - 2013. - Vol.39, №8. - P643-664. - Bibliogr. : p. 663-664 (80 ref.)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
KINETICS -- BOILING-UP -- QUANTUM NUCLEATION
Аннотация: This review addresses the kinetics of spontaneous boiling-up of liquefied gases and their solutions. It discusses the theories of thermal and quantum nucleation in metastable liquids. The experimental methods for studying the nucleation kinetics are outlined. The experimental data on the attainable superheating temperature for cryogenic liquids and solutions of liquefied gases are presented in a wide range of pressures, including negative ones. The properties of new-phase nuclei near the boundary of attainable superheating are discussed. The kinetics of initiated and heterogeneous nucleation is considered. The experimental data on detection of quantum tunneling of nuclei are presented. The experimental data are compared with the theories of thermal and quantum nucleation

\\\\expert2\\NBO\\Low Temperature Physics\\2013, v.39, N 8, p.643-664.pdf
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7.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Attainable superheating of liquefied gases and their solutions : review [Electronic resource] / V. G. Baidakov // Fizika Nizkikh Temperatur. - 2013. - Vol.39, №8. - P835-862. - Bibliogr. : p. 861-862 (87 ref)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CAVITATION -- CRYOGENIC LIQUIDS -- META-STABLE STATE
Аннотация: The review is mainly concerned with the kinetics of spontaneous boiling-up of liquefied gases and their solutions. It examines the theories of thermofluctuation and quantum nucleation in metastable liquids. The methods of experimental investigation of nucleation kinetics are given. The experimental data on temperature of attainable superheating of cryogenic liquids and solutions of liquefied gases are presented for a wide range of pressures, including negative ones. The properties of new-phase nuclei near the attainable super-heating boundary are discussed. The kinetics of initiated and heterogeneous nucleation is considered. The experimental data on detection of quantum tunneling of nuclei are given. Experimental data are compared with the theories of thermofluctuation and quantum nucleation

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8.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Attainable superheating of liquefied gases and their solutions : review [Electronic resource] / V. G. Baidakov // Fizika Nizkikh Temperatur. - 2013. - Vol.39, №8. - P835-862. - Bibliogr. : p. 861-862 (87 ref)
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
CAVITATION -- CRYOGENIC LIQUIDS -- META-STABLE STATE
Аннотация: The review is mainly concerned with the kinetics of spontaneous boiling-up of liquefied gases and their solutions. It examines the theories of thermofluctuation and quantum nucleation in metastable liquids. The methods of experimental investigation of nucleation kinetics are given. The experimental data on temperature of attainable superheating of cryogenic liquids and solutions of liquefied gases are presented for a wide range of pressures, including negative ones. The properties of new-phase nuclei near the attainable super-heating boundary are discussed. The kinetics of initiated and heterogeneous nucleation is considered. The experimental data on detection of quantum tunneling of nuclei are given. Experimental data are compared with the theories of thermofluctuation and quantum nucleation

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9.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Attainable Superheating of Liquid Helium–Oxygen Solutions / V. G. Baidakov, A. M. Kaverin // High Temperature. - 2000. - Vol.38, №6. - С. 852-859
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
NUCLEATION -- THEORY OF HOMOGENEOUS NUCLEATION -- BOILING
Аннотация: The results are given of experimental investigations of the kinetics of nucleation in gas-saturated helium-oxygen solutions. The temperature dependences of the mean lifetime of solution in the metastable (superheated) state are determined for fixed values of pressure of 1.171 and 1.667 MPa and for several values of concentration. The experimental data are compared with the theory of homogeneous nucleation in a macroscopic approximation with due regard for the dependence of the properties of the nuclei on their size. The dimensional effect is included within van der Waals' gradient expansion. The problems associated with the construction of the kinetic theory of boiling of gas-saturated solutions are discussed, and good agreement is ascertained between the experimental data and the theory of nucleation when the latter includes the dimensional effect

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10.
Инвентарный номер: нет.
   
   B 16


    Baidakov, V. G.
    Attainable Superheating of Liquid Helium–Oxygen Solutions / V. G. Baidakov, A. M. Kaverin // High Temperature. - 2000. - Vol.38, №6. - С. 852-859
ББК 53
Рубрики: ФИЗИКА
Кл.слова (ненормированные):
NUCLEATION -- THEORY OF HOMOGENEOUS NUCLEATION -- BOILING
Аннотация: The results are given of experimental investigations of the kinetics of nucleation in gas-saturated helium-oxygen solutions. The temperature dependences of the mean lifetime of solution in the metastable (superheated) state are determined for fixed values of pressure of 1.171 and 1.667 MPa and for several values of concentration. The experimental data are compared with the theory of homogeneous nucleation in a macroscopic approximation with due regard for the dependence of the properties of the nuclei on their size. The dimensional effect is included within van der Waals' gradient expansion. The problems associated with the construction of the kinetic theory of boiling of gas-saturated solutions are discussed, and good agreement is ascertained between the experimental data and the theory of nucleation when the latter includes the dimensional effect

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