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Wyszukujesz frazę "isothermal" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Calculation of Heat Damage Losses of Cooling Bodies
Autorzy:
Rochatka, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/114545.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
isothermal and refrigerating bodies
heat bridge
heat losses
Opis:
This paper presents the calculation results of heat amount increase being typical for isothermal and cooling bodies where body plating has been broken causing the open way for water penetration into the insulating material and thus deteriorating the insulating properties of the damaged body fragment. During the service of the isothermal and cooling bodies the damages of their different fragments take place. A typical damage is abrasion of the side walls, damage to the joints of walls and walls with the roof and damage to the door edges. Using the thermovision camera and the algorithm described in [1], heat loss can be calculated for a fragment of the body that includes damage - an operational heat bridge that generates a variable heat flux being difficult or even impossible to be measured with heat flux density sensors. On the example of typical damages occurring in the serviced refrigerated body, they have calculated the amount of additional heat which may lead to the disqualification of the refrigeration body from refrigerated transport of sensitive goods, such as food and medical goods, bringing losses to transport companies.
Źródło:
Measurement Automation Monitoring; 2019, 65, 2; 52-54
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Method elaboration for determining heat losses within heat leakage bridges occurring in isothermal and cooling bodies
Autorzy:
Rochatka, T.
Powiązania:
https://bibliotekanauki.pl/articles/114272.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
heat leakage bridge
heat flux density
thermovision
isothermal body
Opis:
This paper presents the author’s method for the heat flux evaluation on the basis of a thermal photograph. This method is based on the comparison of surface temperatures of two areas where one of them is a thermally loaded with a known heat flux and the other control area which is not thermally loaded. With the method presented in the article analysing heat fluxes in places of high heat flux gradients occurring within heat leakage bridges, especially the service ones connected with the material humidity where heat flux density sensors can give substantial errors when the flux on the sensor surface is averaged.
Źródło:
Measurement Automation Monitoring; 2015, 61, 6; 242-244
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Examining the degradation process of the heat/cold protecting insulation applied for construction of cooling bodies under the influence of water
Autorzy:
Rochatka, T.
Powiązania:
https://bibliotekanauki.pl/articles/114327.pdf
Data publikacji:
2017
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
degradation of insulation material
heat flux
thermovision
isothermal body
Opis:
Contemporary transport of perishable food and other cargoes sensitive for temperature changes is carried out basing on specialist isothermal and cooling bodies. The reason of the deterioration of the body insulation condition is the penetration of water into the heat/cold protecting material and the further destruction of the insulation properties by moisture which in the insulating material is subject to cyclic freezing and defrosting processes depending on the temperature of the transported goods. The paper presents the test results on the destruction of the insulating material under the influence of cyclic freezing and defrosting of water introduced into the insulating material. The effects of servicing the damp insulating material were examined depending on the quantity of cycles of freezing and defrosting getting much worse deterioration of insulating properties than in case of entering water into the dry insulating material.
Źródło:
Measurement Automation Monitoring; 2017, 63, 3; 119-121
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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