International Journal of Advances in 
Engineering & Technology
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ISSN: 2231-1963

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S.No. Article Title & Authors (Volume 11, Issue 3, June - 2018) Page Nos. Status
1. Thermal Performance of Trombe Walls in the South of Brazil
Clarissa Sartori Ziebell and Jose Luis Farinatti Aymone
International Journal of Advances in Engineering & Technology (IJAET), Volume 11 Issue 3, pp. 78-89, June 2018.
In this paper an analysis of the thermal performance of a Trombe wall through a simulation model is presented. The climate context is Bento Goncalves, a city in 'Serra Gaucha' (a region in Rio Grande do Sul, Brazil, characterized for the low temperatures during winter). The model consists in a prototype with 25 metersquare. The Trombe wall, when inserted in the models, is oriented towards the North facade. The thermal performance of this model is measured through the percentage of time in thermal comfort during one year. Three solutions are compared: a traditional Trombe wall, a curtain inside the Trombe wall for the cold periods, and a standard wall. As a result, the Trombe wall system was found to be a suitable alternative for Serra Gaucha, since the percentage of time in thermal comfort is greater when this system is adopted. However, the use of such system alone is not enough to guarantee thermal comfort all year round, which may require the simultaneous adoption of other strategies. In addition, the use of curtain did not improve the thermal comfort.
78-89 Online
2. CNTFET-Based Design of Analogue Circuits
Roberto Marani and Anna Gina Perri
International Journal of Advances in Engineering & Technology (IJAET), Volume 11 Issue 3, pp. 90-102, June 2018.
In this paper we implement a semi-empirical compact model for CNTFETs already proposed by us to simulate typical analogue circuits both in SPICE, using ABM library, and in Verilog-A. The obtained results are the same in static simulations and comparable in dynamic simulations. However using Verilog-A the simulation run time is much shorter and the software is much more concise and clear than schemes using ABM blocks in SPICE. Moreover we present, through the design of a basic current mirror, a comparison between CNTFET and MOS technology. For every simulation we evaluate parameters of merit in order to show the differences between CNTFET and MOS technology and the advantages of the first for analog VLSI circuits.
90-102 Online
3. Use of Reuse Water for Public Supply
Alcindo Neckel, Emanuelle Goellner, Tauana Bertoldi, Grace Tiberio Cardoso, and Juliano Lima da Silva
International Journal of Advances in Engineering & Technology (IJAET), Volume 11 Issue 3, pp. 103-112, June 2018.
The general goal of the applied research in the city of Passo Fundo/RS (Brazil) is to propose an analysis of microbiological factors for applicability of reuse water, suggesting alternative distribution systems in a sustainable way. Methodologically, the research involved sample collection at two effluent treatment stations and analysis of microbiological standards through garden irrigation, followed by a questionnaire to companies in order to diagnose rainwater use, as well as local water and energy consumption. The results point to the feasibility of reuse water distribution in non-potable purposes, indicating microbiological factors favourable to human health and thus proposing the distribution to users.
103-112 Online
4. Implementation of Context Adaptive Variable Length Coding and Decoding Algorithm for H.264 video codec using Matlab
Harisha G C, Murugendrappa N, Manjushree B S, Kunjana C M, Lakshmi Sai C, Mahima B L
International Journal of Advances in Engineering & Technology (IJAET), Volume 11 Issue 3, pp. 113-121, June 2018.
This paper proposes the implementation of Context Adaptive Variable Length Coder for H.264 video encoder. Context-Adaptive Variable Length Coding, a specially designed method of coding the transform coefficients, in which different sets of variable-length codes are chosen depending on the statistics of recently-coded coefficients, using context adaptation. Context Adaptive Variable Length Coding is used to encode residual, scan ordered blocks of transform coefficients. The quantized coefficient inputs to the context adaptive variable length coder is generated by the integer transform and quantization processor. The implementation is capable of bringing about compression of video sequences and is capable of processing high resolution pictures of sizes of up to 1024 x 768 pixels, encoding at a real time frame rate of 25 fps. The compression achieved by the implementation is over 10 and the reconstructed picture quality is better than 35 dB.
113-121 Online