AbstractAbout AuthorsReferences
Air conditions in the ventilated air layer of hinged façade systems are considered. The model of heat transfer in enclosing structures with the ventilated air layer is formulated; according to this model, the heat exchange of the enclosing structure with the outdoor environment is presented by two flows – the first, with boundary conditions in the air layer with due regard for its air conditions, the second – with boundary conditions on the surface of façade cladding with due regard for the impact of solar radiation. In accordance with the model, formulas for calculating the coefficient of heat transfer and reduced resistance to the heat transfer of structures with HFS have been obtained. Data on the calculation of the reduced resistance to heat transfer of structures with HFS and the resistance of the air layer to heat transfer are presented.
V.G. GAGARIN1 , Doctor of Sciences (Engineering), Corresponding member of RAACS (This email address is being protected from spambots. You need JavaScript enabled to view it.),
V.V. KOZLOV1 , Candidate of Sciences (Engineering);
K.I. LUSHIN2 , Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
N.Yu. PLYUSHCHENKO2 , Engineer
V.V. KOZLOV1 , Candidate of Sciences (Engineering);
K.I. LUSHIN2 , Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
N.Yu. PLYUSHCHENKO2 , Engineer
1 Scientific-Research Institute of Building Physics of the Russian Academy architecture and construction sciences (21, Lokomotivniy Driveway, Moscow, 127238, Russian Federation)
2 National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)
1. Fokin K.F. Stroitel’naya teplotekhnika ograzhdayushchikh chastei zdaniy [Thermal Engineering of enclosing parts of buildings]. Moscow: Stroyizdat. 1937. 252 p.
2. Gagarin V.G., Kozlov V.V., Tsykanovskiy E.Yu. Calculation of the thermal protection of facades with a ventilated air gap. Zhurnal AVOK. 2004. No. 2, pp. 20–26. (In Russian).
3. Mashenkov A.N., Kosolapov E.A., Cheburkanova E.V. The general system of the Boussinesq equations for the onedimensional of free convection in a plane vertical layer. Privolzhskii nauchnyi zhurnal. 2012. No. 2, pp. 93–98. (In Rissian).
4. Gagarin V.G., Kozlov V.V., Lushin K.I. Air velocity in air cavity of curtain gap of facade wall system at free ventilation. Zhilishchnoe Stroitel’stvo. 2013. No. 10, pp. 14–17. (In Russian).
5. Gagarin V.G., Kozlov V.V., Lushin K.I. Calculation of the velocity of air in the air gap facade systems, where natural ventilation // International Journal of Applied Engineering Research. 2015. Vol. 10. No. 2, pp. 43438–43441.
6. Gagarin V.G., Kozlov V.V. Calculation of the resistance to heat transfer of facades with a ventilated air gap. Stroitel’nye Materialy [Construction Materials]. 2004. No. 7, pp. 8–9. (In Russian).
7. Mashenkov A.N., Cheburkanova E.V. Determination of the coefficient of heat engineering homogeneity of hinged facade systems with air gap. Stroitel’nye Materialy [Construction Materials]. 2007. No. 6, pp. 10–12. (In Russian).
8. Gagarin V.G., Kozlov V.V. Methods of verification to dropping out condensate in the air gap ventilated facade. Scientific and technical conference dedicated to the 50 th anniversary of NIISF RAASN: «Building Physics in the XXI century». Moscow: NIISF RAASN, 25–27 September 2006, pp.73–80. (In Russian).
9. Umnyakova N.P. Heat insulating properties of operated curtain ventilated façade structures. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2011. No. 2, pp. 2–6. (In Russian).
10. Gagarin V.G., Guvernjuk S.V., Kozlov V.V., Ledenev P.V., Tsykanovsky E.J. Results of researches of properties of hinged facade systems with the ventilated air layer in the frame of the grant of the russian fundamental researches fund «Aerothermosphysics of nontight bodies in low speed air streams». Academia. Arkhitektura i stroitel’stvo. 2010. No. 3, pp. 261–278. (In Russian).
11. Gagarin V.G., Kozlov V.V. Theoretical preconditions for calculation of reduced resistance to heat transfer of enclosing structures. Stroitel’nye Materialy [Construction Materials]. 2010. No. 12, pp. 4–12. (In Russian).
12. Gagarin V.G., Neklyudov A.Yu. Accounting of thermal bridges of enclosures when determining heat load on the heating system of the building. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2014. No.6, pp. 3–7. (InRussian).
13. Gagarin V.G., Dmitriev K.A. Accounting heat engineering heterogeneities when assessing the thermal protection of enveloping structures in Russia and European countries. Stroitel’nye Materialy [Construction Materials]. 2013. No. 6, pp. 14–16. (In Russian).
14. Gagarin V.G., Kozlov V.V. The calculation of the reduced resistance heat transfer of facades with a ventilated air gap. Stroitel’nye Materialy [Construction Materials]. 2005. No. 2, pp. 34–36. (In Russian).
15. Gagliano A., Patania F., Nocera F., Ferlito A., Galesi A. Thermal performance of ventilated roofs during summer period. Energy and Buildings. 2012. Vol. 49, pp. 611–618.
16. Hensen J., Bartak M., Drkal F. Modeling and simulation of a double-skin facade system. ASHRAE Transactions. 2002. Vol. 108. Part 2, pp. 1251–1259. 17. Mingottia N., Chenvidyakarna T., Woodsb A.W. The fluid mechanics of the natural ventilation of a narrowcavity double-skin façade. Building and Environment. 2011. Vol. 46, pp. 807–823.
2. Gagarin V.G., Kozlov V.V., Tsykanovskiy E.Yu. Calculation of the thermal protection of facades with a ventilated air gap. Zhurnal AVOK. 2004. No. 2, pp. 20–26. (In Russian).
3. Mashenkov A.N., Kosolapov E.A., Cheburkanova E.V. The general system of the Boussinesq equations for the onedimensional of free convection in a plane vertical layer. Privolzhskii nauchnyi zhurnal. 2012. No. 2, pp. 93–98. (In Rissian).
4. Gagarin V.G., Kozlov V.V., Lushin K.I. Air velocity in air cavity of curtain gap of facade wall system at free ventilation. Zhilishchnoe Stroitel’stvo. 2013. No. 10, pp. 14–17. (In Russian).
5. Gagarin V.G., Kozlov V.V., Lushin K.I. Calculation of the velocity of air in the air gap facade systems, where natural ventilation // International Journal of Applied Engineering Research. 2015. Vol. 10. No. 2, pp. 43438–43441.
6. Gagarin V.G., Kozlov V.V. Calculation of the resistance to heat transfer of facades with a ventilated air gap. Stroitel’nye Materialy [Construction Materials]. 2004. No. 7, pp. 8–9. (In Russian).
7. Mashenkov A.N., Cheburkanova E.V. Determination of the coefficient of heat engineering homogeneity of hinged facade systems with air gap. Stroitel’nye Materialy [Construction Materials]. 2007. No. 6, pp. 10–12. (In Russian).
8. Gagarin V.G., Kozlov V.V. Methods of verification to dropping out condensate in the air gap ventilated facade. Scientific and technical conference dedicated to the 50 th anniversary of NIISF RAASN: «Building Physics in the XXI century». Moscow: NIISF RAASN, 25–27 September 2006, pp.73–80. (In Russian).
9. Umnyakova N.P. Heat insulating properties of operated curtain ventilated façade structures. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2011. No. 2, pp. 2–6. (In Russian).
10. Gagarin V.G., Guvernjuk S.V., Kozlov V.V., Ledenev P.V., Tsykanovsky E.J. Results of researches of properties of hinged facade systems with the ventilated air layer in the frame of the grant of the russian fundamental researches fund «Aerothermosphysics of nontight bodies in low speed air streams». Academia. Arkhitektura i stroitel’stvo. 2010. No. 3, pp. 261–278. (In Russian).
11. Gagarin V.G., Kozlov V.V. Theoretical preconditions for calculation of reduced resistance to heat transfer of enclosing structures. Stroitel’nye Materialy [Construction Materials]. 2010. No. 12, pp. 4–12. (In Russian).
12. Gagarin V.G., Neklyudov A.Yu. Accounting of thermal bridges of enclosures when determining heat load on the heating system of the building. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2014. No.6, pp. 3–7. (InRussian).
13. Gagarin V.G., Dmitriev K.A. Accounting heat engineering heterogeneities when assessing the thermal protection of enveloping structures in Russia and European countries. Stroitel’nye Materialy [Construction Materials]. 2013. No. 6, pp. 14–16. (In Russian).
14. Gagarin V.G., Kozlov V.V. The calculation of the reduced resistance heat transfer of facades with a ventilated air gap. Stroitel’nye Materialy [Construction Materials]. 2005. No. 2, pp. 34–36. (In Russian).
15. Gagliano A., Patania F., Nocera F., Ferlito A., Galesi A. Thermal performance of ventilated roofs during summer period. Energy and Buildings. 2012. Vol. 49, pp. 611–618.
16. Hensen J., Bartak M., Drkal F. Modeling and simulation of a double-skin facade system. ASHRAE Transactions. 2002. Vol. 108. Part 2, pp. 1251–1259. 17. Mingottia N., Chenvidyakarna T., Woodsb A.W. The fluid mechanics of the natural ventilation of a narrowcavity double-skin façade. Building and Environment. 2011. Vol. 46, pp. 807–823.
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