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    Wyświetlanie 1-3 z 3
    Tytuł:
    Scaling of two-phase capillary pressure-saturation relationships: water-air and oil-air systems
    Autorzy:
    Kodesova, R.
    Kutilek, M.
    Vesela, J.
    Matula, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/25411.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    interfacial tension
    oil-air system
    capillary pressure-saturation relationship
    ground water
    immiscible phase
    water-air system
    soil contamination
    non-aqueous phase liquid
    Źródło:
    International Agrophysics; 2003, 17, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Possibilities for Improving the Cooling Systems of IC Engines of Marine Power Plants
    Autorzy:
    Moshentsev, Yuryi
    Gogorenko, Oleksiy
    Dvirna, Olha
    Powiązania:
    https://bibliotekanauki.pl/articles/2201716.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    central cooler
    charge air cooler
    cooling system
    heat transfer surface
    marine diesel engine
    oil coolers
    Opis:
    Modern cooling systems for large ships are quite complex. As a rule, such systems are common (combined) for the main and auxiliaries engines. With the auxiliary engines running constantly, even when parked, this system design allows to keep it warm and ready for a quick start of the main engines at any time. Currently, various schemes of such systems are used, including those that are irrational from our point of view. At the same time, there are systems whose schemes are quite consistent with our idea of the rational forms of such structures. It is important to note, and it is saying about it in an article, that such schemes may have a number of significant differences, but at the same time they will comply with the rationality principle if certain rules for the formation of such systems are followed. These schemes will have close compactness. It is also important that there is the possibility of further improvement of such schemes based on certain rules. This improvement is possible due to the introduction of additional heat dissipaters and the organization of appropriate chains of heat sources and heat dissipaters. The article discusses various options for rational schemes of the cooling system for the same ship power plant, as well as the possibility of further improvement of this scheme. It is shown that an increase in the number of coolants of the internal circuit coolant from one to three can reduce the total mass of the heat exchanger cores by 18 %.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 3; 183--192
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rational Liquid Cooling Systems of Internal Combustion Engines
    Autorzy:
    Moshentsev, Yuryi
    Gogorenko, Oleksiy
    Dvirna, Olha
    Powiązania:
    https://bibliotekanauki.pl/articles/2022422.pdf
    Data publikacji:
    2022
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    charge air cooler
    cooling systems
    heat transfer surface
    Internal combustion engines
    oil coolers
    low-flow system
    Opis:
    The scheme of the cooling system is considered, which can be the basis for creating the most efficient cooling systems for IC engines of any purpose. It is assumed that the use of any other scheme is devoid of a rational basis. The scheme consists of two connected circulation circuits, in one of which the coolant flow rate is an order of magnitude less than in the second. The engine is included in a circuit with increased coolant flow. All heat exchangers are in the second circuit. Rules for the formation of such systems are formulated. The basis of the method for calculating such systems is considered. It is indicated that the flow rate through each heat exchanger must be determined by calculation to ensure the maximum efficiency of the cooling system. The considered scheme allows to provide the maximum possible depth of charge air cooling, if its temperature is not specified, or to ensure the minimum cost and compactness of the cooling system, if this temperature is known. The scheme allows regulating the temperatures of the cooling fluids of the system with all kinds of changes in the engine operating conditions and the ambient temperature.
    Źródło:
    Advances in Science and Technology. Research Journal; 2022, 16, 1; 158-169
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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