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conferenceseries.com
Volume 7, Issue 6 (Suppl) J Nanomed Nanotechnol
ISSN: 2157-7439 JNMNT, an open access journal Nanotek 2016
December 05-07, 2016
December 05-07, 2016 Phoenix, USA
13th International Conference on
Nanotek & Expo
J Nanomed Nanotechnol 2016, 7:6 (Suppl)
Energy efficiency and building environment
Abdeen Omer
Energy Research Institute, UK
With the environmental protection posing as the number one global problem, man has no choice but reducing his energy
consumption, one way to accomplish this is to resort to passive and low-energy systems to maintain thermal comfort in
buildings. The conventional and modern designs of wind towers can successfully be used in the hot arid regions to maintain thermal
comfort (with or without the use of ceiling fans) during all hours of the cooling season, or a fraction of it. Climatic design is one
of the best approaches to reduce the energy cost in buildings. Proper design is the first step of defence against stress of climate.
Buildings should be designed according to climate of the site for reducing the need of mechanical heating or cooling hence maximum
natural energy can be used for creating pleasant environment inside the built envelope. Technology and industry progress of the last
decade diffused electronic and informatics’ devices in many human activities and now appear also in building construction. The
utilisation and operating opportunities components, increase the reduction of heat losses by varying the thermal insulation, optimise
the lighting distribution with louver screens and operate mechanical ventilation for coolness in indoor spaces. In addition to these
parameters the intelligent envelope can act for security control and became an important part of the building demotic revolution.
Application of simple passive cooling measure is effective in reducing the cooling load of buildings in hot and humid climates. 43%
reductions can be achieved using a combination of well-established technologies such as glazing, shading, insulation, and natural
ventilation. More advanced passive cooling techniques such as roof pond, dynamic insulation, and evaporative water jacket need to
be considered more closely. The building sector is a major consumer of both energy and materials worldwide, and the consumption
is increasing. Most industrialised countries are in addition becoming more and more dependent on external supplies of conventional
energy carriers, i.e., fossil fuels. Energy for heating and cooling can be replaced by new renewable energy sources. New renewable
energy sources, however, are usually not economically feasible compared with the traditional carriers. In order to achieve the major
changes needed to alleviate the environmental impacts of the building sector, it is necessary to change and develop both the processes
in the industry itself, and to build a favourable framework to overcome the present economic, regulatory and institutional barriers.
Transformation of the physical properties of Carboxylated-Nanodiamonds in water solution exposed to
gamma irradiation.
A. Cordova1, S. Pedroso2, J. Woraphong2, M. Pedroza-Montero1, R. Melendrez1 and K. Santacruz-Gomez1
1Universidad de Sonora, México
2University of California, USA.
Nanodiamonds (NDs) have unique optical, thermal andmechanic properties.They alsohave the advantage of highbiocompatibility,
which makes them appropriate to biomedical applications. Recently a protective effect against γ-irradiation of carboxylated
nanodiamonds (cNDs) has been reported on erythrocytes. The structural, mechanical thermal and optical properties transformation
of cNDs dispersed in water and exposed to γ-radiation were analyzed. Commercial detonation NDs and cNDs were analyzed by
different techniques including transmission electron microscopy (TEM), scanning electron microscope (SEM), X-ray photoelectron
spectroscopy (XPS), Raman spectroscopy and atomic force microscopy (AFM) after and before treatments with 20, 40, 60, 120 and
240 Gy of γ-irradiation. Here we report the water interaction with cNDs during radyolisis at different degree.