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Effect of the flow velocity on bubble boiling characteristics

... flow in the channel under nonstationary heat release conditions. The heat release dissipation on the heater was performed by passing a controlled three-phase rectified electric current through a tube with a pulse duration of τimp = 60-300 ms with a heating rate of 1000-6000 K/s. We studied the formation dynamics and the structure of the vapor-liquid layer near the heat releasing wall and monitored the temperature state of the wall depending on the parameters of the heater's flow and the intensity ...

Теги: flow of water , heat flux , heating , momentum transfer , cylindrical walls , formation dynamics , heat release , high heat flux , non-stationary heat release , pulse durations , sub-cooled water , technical sur
Раздел: ИСЭМ СО РАН
Environmental Problems of Solid Fuel Combustion in House Furnaces and Small Boilers and Ways their Solution

Maysyuk E.P., Kozlov A.N. Environmental Problems of Solid Fuel Combustion in House Furnaces and Small Boilers and Ways their Solution // IOP Conference Series: Earth and Environmental Science. Vol.272. №2. ID: 022192. 2019. DOI: 10.1088/1755-1315/272/2/022192 This work is devoted to the determination of the volume and composition of emissions into the atmosphere during the combustion of solid fuels (coal, wood) in house furnaces and small boilers with capacity till 1 Gcal/h. The relevance of this...

Теги: boilers , coal , earth sciences , fuels , furnaces , heating , proven reserves , wood fuels , combustion of solid fuels , eastern regions , emissions into the atmosphere , environmental assessment , environmental
Раздел: ИСЭМ СО РАН
A Methodological Approach to the Software Development for Heating System Design

Stennikov V., Barakhtenko E., Sokolov D. A Methodological Approach to the Software Development for Heating System Design // 2018 International Multi-Conference on Industrial Engineering and Modern Technologies, FarEastCon 2018. ID: 8602533. 2019. ISBN (print): 9781538695357. DOI: 10.1109/FarEastCon.2018.8602533 The paper presents a new methodological ...

Теги: heating system design , metaprogramming , methodological approach , model-driven engineering , ontology , automation , computer software , heating , heating equipment , problem solving , systems analysis , automated construction , computer modeling , formal descriptio
Раздел: ИСЭМ СО РАН
New Generation Algorithms for Determining of Optimal Parameters of Heating Systems

Stennikov V., Barakhtenko E., Sokolov D. New Generation Algorithms for Determining of Optimal Parameters of Heating Systems // 2018 International Multi-Conference on Industrial Engineering and Modern Technologies, FarEastCon 2018. ID: 8602571. 2019. ISBN (print): 9781538695357. DOI: 10.1109/FarEastCon.2018.8602571 Determination optimal parameters of heating ...

Теги: dynamic programming , flow distribution , hierarchical model of heating system , multi-level modelling , multi-loop optimization method , optimal parameters of heating system , software , complex networks , computer software , heating , heating equipment , hierarchi
Раздел: ИСЭМ СО РАН
Methodological principles of constructing the integrated energy supply systems and their technological architecture

Voropai N.I., Stennikov V.A., Barakhtenko E.A. Methodological principles of constructing the integrated energy supply systems and their technological architecture // Journal of Physics: Conference Series. Vol.1111. No.1. ID: 012001. 2018. DOI: 10.1088/1742-6596/1111/1/012001 Nowadays, the technological infrastructure of power, heat/cooling and gas supply systems is normally built and managed separately by system and objective. New challenges of the time foreground the issues of establishing self-organizing...

Теги: heating , energy supply system , flexible applications , integrated energy systems , multi-dimensional structure , number of components , technological architectures , technological infrastructure , technolog
Раздел: ИСЭМ СО РАН
On modeling of the initial stage of nonstationary nucleate boiling for the high heat fluxes

... other parameters, too. The non-stationary heat release is most difficult for modeling, because many of the existing researches are based on analytical expressions for the fluid temperature distribution. The basic stages of the explosive boiling are: (i) heating of the wall to the nucleation temperature; (ii) nucleation of the isolated bubbles; (iii) merging of bubbles and coverage of the entire surface by the steam phase; (iv) heating of the surface to the Leidenfrost temperature and transition to the ...

Теги: explosives , heating , momentum transfer , nucleation , analytical expressions , empirical correlations , explosive boiling , leidenfrost temperature , non-stationary heat release , nucleation densities , nucle
Раздел: ИСЭМ СО РАН
Present-day Concept of District Heating Development in the USSR. [SOVREMENNAYA KONTSEPTSIYA TEPLOFIKATSII STRANY.]

Melent'ev L.A., Levental' G.B., Chugreev V.A., Al'veva M.G. Present-day Concept of District Heating Development in the USSR. [SOVREMENNAYA KONTSEPTSIYA TEPLOFIKATSII STRANY.] // Teploenergetika. No.8. 1982. P.8-13. The main problems of heat energy supply and demand in the USSR are outlined and the role of centralization of heat supply and district ...

Теги: energy policy - ussr , steam power plants , heat and power plants , nuclear heat and power central stations , heating
Раздел: ИСЭМ СО РАН
Prameters of Nuclear Combined Heat-and-Power Supply Systems. [O PARAMETRAKH ATOMNYKH TEPLOFIKATSIONNYKH SISTEM.]

... TEPLOFIKATSIONNYKH SISTEM.] // Teploenergetika. No.12. 1978. P.10-15. Integrated selection of three important interconnected parameters of nuclear combined heat-and-power supply systems supplying heat in hot water are considered, namely: the rated district heating factor alpha //h//. //r//. ; steam bleeding pressure rho //2 of combined heat-and-power turbines installed at nuclear heat-and-power plants; the rated temperature of water supplied from the combined nuclear heat-and-power plant, t//p// minus //1....

Теги: nuclear power plants - waste heat utilization , heating
Раздел: ИСЭМ СО РАН
Place of District Heating in the Power Industry of the USSR. [TEPLOFIKATSIYA V ENERGETICHESKOM KHOZYAISTVE SSSR.]

Melent'ev L.A. Place of District Heating in the Power Industry of the USSR. [TEPLOFIKATSIYA V ENERGETICHESKOM KHOZYAISTVE SSSR.] // Teploenergetika. No.11. 1974. P.7-10. District heating is considered as one of the most important sectors of the national economy of the USSR. The achievements ...

Теги: power generation - soviet union , steam power plants - waste heat utilization , heating
Раздел: ИСЭМ СО РАН
Mathematical model for calculation of the heat-hydraulic modes of heating points of heat-supplying systems

Shalaginova Z.I. Mathematical model for calculation of the heat-hydraulic modes of heating points of heat-supplying systems // Thermal Engineering . Vol.63. No.3. 2016. P.222-232. DOI: 10.1134/S0040601516020075 http://rd.springer.com/article/10.1134/S0040601516020075 The mathematical model and calculation method of the thermal-hydraulic ...

Теги: calculations , complex networks , computer software , data handling , heating , heating equipment , hydraulic equipment , hydraulic machinery , hydraulic models , hydraulic structures , mathematical models , rec
Раздел: ИСЭМ СО РАН


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