Rassamakin A. Development and application of models of the thermal condition and the analysis of fire resistance of cable trays of power objects

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0407U003905

Applicant for

Specialization

  • 05.14.06 - Технічна теплофізика та промислова теплоенергетика

09-10-2007

Specialized Academic Board

Д 26.224.01

Institute of Engineering Thermophysics of NAS of Ukraine

Essay

Models of the thermal condition, the analysis of fire resistance and burning out of cable lines are developed under various conditions of a fire (standard and real modes of fire) in reactor separation of nuclear power plant. Experimental researches of the thermal condi-tion of cable trays in conditions of the standard temperature mode are lead. Verification of numerical models of the thermal condition of the cable tray in conditions of the standard temperature mode and model of heat exchange of two cable trays is lead at burning out of one of them both. Fields of temperatures, pressures, speeds and heat transfer coefficient on surfaces of cable tray have been received, their analysis is lead. Engineering nomograms for definition of thickness of fireproof coverings of various materials depending on distance between trays and fillings with cables of the burning out tray are received. Technical decisions and recommendations on protection of cable trays both for conditions standard and for conditions of areal fire are offered.

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