The Journal of Engineering and Exact Sciences https://periodicos.ufv.br/jcec <p style="text-align: justify;">[EN] The main objective of Open-Access ISSN 2527-1075 The Journal of Engineering and Exact Sciences - jCEC is to promote and stimulate the publishing of national and international scientific research results. The journal publishes original articles resulting from scientific research, experimental and or simulation studies in engineering sciences, technology, and similar disciplines (Electronics, Telecommunications, Bioengineering, Electrical, Computer Science, Mechanical, Chemical, Environmental, Materials, Sanitary, Civil and Industrial Engineering).&nbsp;Previous name:&nbsp;ISSN 2446-9416 - Journal of Chemical Engineering and Chemistry. [PT] O principal objetivo da Open-Access ISSN 2527-1075 The Journal of Engineering and Exact Sciences - jCEC é promover e estimular a publicação de resultados de pesquisas acadêmicas nacionais e internacionais. A revista publica artigos originais, resultados de pesquisas científicas, estudos ou simulações em ciências de engenharia, tecnologia e disciplinas similares (Eletrônica, Telecomunicações, Bioengenharia, Elétrica, Mecânica, Química, Ambiental, Materiais, Sanitária, Civil e Engenharia Industrial).&nbsp;Nome anterior:&nbsp;ISSN 2446-9416 - Journal of Chemical Engineering and Chemistry.</p> <p><img src="/ojs/public/site/images/icfranco/The_Journal_of_Engineering_and_Exact_Science_-_capa011.png" alt=""></p> <p><a title="JCEC - CROSSREF" href="https://search.crossref.org/?q=JCEC" target="_blank" rel="noopener"><img 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alt="Resultado de imagem para iThenticate"></a>&nbsp;<a title="JCEC no Periódicos da Capes" 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NJJvElsOmQyq6h1IKsAVI5EHUEVYJ5LNPO090PTHPCsilHVWVhZlYAqR2EHnWUZOL1ovDBCTRy4Hx4g82HGrxXLTRDraEnV1H5s6/knQKZkXTufVniM+p7k/vdj/AIt3b1sw2omsJiUlRZI2DI4DKw1BU8iDUOcJQk4yWGt5mnkg9pr4PjcPOugxBOGmHaQrywOe9Srrfsl7hU2i/S206b+p66+KUl45T8DB7GmWGoBmcc4r+nfoY/veoFf2vw+Z3Ogfo98X8ivbuekRetvhNT7r6GqcPmcXpD+8C8PynUth7uYXFI0k0Cu4cqCb3ygLYaHvNU+hIrmqfXlki99S89LHpLGH2GVtztmpIQ8URLgARO3i25eLGTrfvvVpKMHPWe8yq6Quq1PVm8rgae1uHuGUCTCRLC6MHKrcRuARcZfmtYaEe+ttSvONCpTXWmUdzaKpia3oh8Lu0cdilZiVijRSxHNmzMQq9nK5PVp21zuhaTcMvqZ0NhfxoaLnR3ym5R8Gkm/5ExjvwPDiEw0sSdNdQpKO1mJGW8vJSTbr6+qulanKL7CosKUaMZRtvq78EDxS2AYlXEJ5uzIwPNSblT3qdR3G3bVHzCFvtp7snSaPvnUhOnPfh47yS4d7m4GTZ2FlfCRl5IUZ28a7N2nWrdxWcnMzown0kSu724+HgjvLEskjG5zXKr2Ko7hpfrqRd1+cyWtuRFpWFKCy1l7yD2HsTBT7SxUIgVookUBSWIEgNnK68r3HuqujGDnJI6fS0ala1oTudres1w2Y3ENxg2Lh8IuGMESx5jLmtc3yhLcye0/XXQ6Kbcp8CpvrutcRiqss43Evw34aJhYumxV2mlAJjvZIxzCm2rPrqb26h2mkr0oVZessozt7ipQz6N4zvLns7d/BRM5gghRzo5SwbnezW159ta7q2p3MFCsspbu4xVSUW5J7Wcs353ROAmadGLwzMxubZkkJLlDbmDckHuIPUTIvK6nZwpY6OEuGMF/yXSV3PbvXzRY90uHsMkKTYxOkLWdYySEVSPFLAWzNY3sdBevVL1Uka9O6T51J0Ir1Yv4su2H2NhozGEiRTFbowvi5bKVFgDyyki1R4U6UakpRxrPec+orOTT379Df2o/iWtN/7B+Ba6HX9rjwfkQm7+5Gz8RBHPLg43kcEs5zXJuRrY9gFbLP2MeBo0mk7mpntOfRbumfaUuDgUIiyyjtWOJGNz320AHaRU+rHWo4LHRt3GzhGq1nCaxxOubJ3UwuGRVEeYqDd3Nyb8yeoc+yoErWjjMknxK+80jXu2/SvY+pbircTNkYeOFZ40VZDKqllJsVyvoRe3zR9VWGjowhJKCSXVgwdzWej69vn1FBtLH8Uesxbh8OY1kTaGILGUgNFHfKqKVsC1tWYgnTkL9ZrXpBU7iUoSWYvZ8CssYSpUlneXHaW7WBxLMJcPE72APMOF6tQbio1vTp0VikksG6cYzmpS3lF3k3OXZ0eaEsYWY3DHM0bHkM3WptzOo771F0gpTmqr4MkVKy5hWp/wALLJu9uVhuiSSaISyOgY5iSq31CheXXzNSaNJQSl1kbR1atQslbqXqyy2u3O9fAi9p4bY+IimEBiWVEdlCFo2LICdA1g406r1KlDNeDq79mOButqtSnbTVuvU2p7NmcHLx5xPaX7xVxpbovgzzkx7N/eRZpuXuNfP7b2keK8zsNKezfB+REbI89D9InxLXc3/SRRcj/o+6/X1WfomqwqRXhkQO9MbRmDGIrMcOzGRVF2aCQZZco6yviPbmejIHOp1lJSU6EnjXWxvdrLas8dq8cmMu0mcJiUlRZI3DowDKym4IPIg1DnCUJOMlhreZJ5IPeCM4jE4bCfiwTiZ+xliKiJD3GQq3eIyKm2rVKjUrdfRj4734LZ4mEtrSLDUAzFAKA4zxfwzrjVkIOR4lCHq8UnMPWLg/2hVXfJ66ZS6Si/SJ9WCjVBK4/Q25uGeLA4dJAQwjFweYvqAfUCBV9RTUEmdNQi404p9hM1sNooBQEHgIfBsU8K6RTq0yL1JKpAmA7FbOj27ekPXU2rL01BTfSj6r719X4Ya4YMVseDzt58+JwUA59K+IfuihRlv75JYh9de2y1aNWo+xRXGTT8kw96RPVBMjkvEXAPiNppDGAXeKMC+g5uSSewAE1Bqx1q2F3fM7PRNeNDRc6ktyb+RmG4MuEMc4mSQIbuApQgEEXW5N+Y7KkXlbV0ZUovs+ZyM/7TpSN0ti2bOCwXfdDzL/AEh+FartB+6LizfpH278Dn/EzdjF4rFSmHDs4kjRVYWC5gLasTpY9ZqXVpzdZS6ifb3VKNhKm5ett2HUdmxNFBEsj53SNA7flMqgM3vIJqVJ4y2Ua2Ii91Z1KSKCLhyxHXlbyT/hb6qq9ENOlLH2ma6MWoZ6m2Vre3GYLD4ten2a7u7KVmv4hYkcjfmD1d1XTbVOTT3JkmxpScpqn6vb39563/26ZMFKngsuVgB0ptkVswI7ydOqqele+np62q1u3llbWepV6azh7PAnOGf/AErBfQJVmVJRtrbx4nw2YrO6iOUoig+IFQkaryN7XN+2s9IxVClScN7zk5u6uqqulh9ePI2eEJviZybkmIanUk5ud6g2u9n1DlOko0cd/wAjY4zyBXwDN5KyszeyphLfYDV/o1NqpjsOOq7kdGxoLwv0bAMyNkYHrIOU3+o1UVIycWo7yRTlGM05bk9pzDhRu5isLjMS82HeJWWwY2sxzk6EHXtvWd3rT9DqPdnW+GPMyk4608db2Fk4syqMAVPNpEC+sXY/YDWm4fqMuOTsJO9TXUnn9cS04GQSQqyEWZFKka6EaGty3IpasXGcovfllK2Bu/iYXwnSrmaIjpZMwYEiKRGe5NzdmHfrVVa29Snd1Jy3Pd8SJCnJTz1E9v36G/tR/EtSb72D8C80P73Hg/Iz7n+hw+pviatlp7GPA0aR96nxKbuNKo2xtBSfGZpMveFku1vrX6qnz9nExqJ83hxZbN6cFLL0fR3KqWzqDzuLKbddtfrql0rQq1aWKayaIygqFWLXrNLHxOY717FniZ5niZYiUXUgZmyn5oN+ptasdBU5U6UIyWHt2FnK5o/sOVD/ABFF+C1l1/rcdnw8oeNWQghlBUjlYi4NKieGlsZTwaaT6igfgLFfhiOdUZY0Vc8nJStjdO1r6ae/qqo0Rb1aVLVqram+v9cTRcQlK7U4bsIse/0irgZb/OyBfXmB+4E+6rG5klSef1tPblN0KmPssrGzd8JNnhIcZA/R5QUkGpCcx3MAOw37q9oymmqclvJeitH1KmjZV5yScM5T34W3/osW8e6GHxsZdUVJSMyyKMpJ5jOPnA9+tSNVOpGUt8WKdxOlTnCG6SefE5nujuhLtBjIHEccbLdiMxLjxsqgEcha5PaOdW+laiyo9q8yJoK49BSlszt+RK7x7HfCNkYhgykqw0uBz06iNPrri+bujWin1teZ1Va9jdUJSSxhPPwKtsjz0P0ifEtdjf8ASRA5H/R91+vqs/RNVhUivDIUBXptgSQO0uBlWMsS0kElzhpGPMgDWFz1stx1lTVhG7hUioXMc42KS6S+Ul3Pb2NGGrjaiMw+3Oj2g5xcLYdmwsYUk9JF4jyFysqaBPlE1cLy5cqkStNe0XoJKS1n3PaljY+vY9zZ5rettLdhcUkqh45EdTyKkMD7xVVOnKD1Zpp95syZqwAoDT2rsuHFR9HPGrrzseYParDVT3isZwjNYkjCdOM1iSyQuzNw8Dh5BIsJZgbrnYuFPUQp0v3m9aoW1OLykaYWlKDykWat5JFAKAUBVdubdjixka6u0Ub+IgzSPNLlEUSDrbKrsepRlJsDerO2tJTt292Wtr3JLOW+7OEu15SyzBywzf3e2ZIjSYnEW8ImyhgpukUS36OFD1gZmJb5zMT2Vpuq8JKNKl0I/Ft75Pj1LqS4nsV1sm6hGRynf7aTYXasc6AEpEhsdAQTICCeq4J1qFUlq1s/rrOx0Xbq40VOlLrb8NxIS8QlxWSCKB1Ml1dnI8UWJIXKdeXM251vvaTno+pWz1HJvNvpGNrLa/8ArJad0D8k/wBIfhSq7Qfui4skaR9u/Ai95eIEWAlkilglbIgfMhU3BF7WYi1WEq6jPUaPYaPnOh6dPZ/IqE/EptoFY4IjDE0iqxYgyMLi48XRQb2Opv3VMnbxlZ1akupM528unGaprrxk8Yva8uExkUkRAuqq6nVWUudCPfcHmPrrltDSajs7TstF29OroatKa6LlJdzUc/B4LM3EiFWSOTDy5mKjxSrLcmw1Yg/ZXUThqxcupHMaJqy0hTcorGNm8heJG80kkfg6qFjdSX62a3IX5AdemvfXP0tI85XqrCydXZ6OjTjKpN5aT4bjQ3G4oQw4ODDHDSkwxrGzBkCkjrGt7VdNrWS7Tk693GjjK3kO2KE080oFg8jOAeYDEm321J07BwhSi+pHNVZqdxGS62vM29zd5F2dI7vGzh0CAKQCCDe+tVNvNRkz6rywrqkqPfn5HjiPvUm0BAFiZOjL3zEG+bLyt7P210+i1hyfcil0roupZQhKbT1t3wMnCziBOiNhplEsUQXojykVbkZSeTKANOscr8rc/eXKoPLWdosLJ3esk8NI6Bu/xAhx0kkUcMytGLsXyAHUrplY9laNK3asKMaslnW3GmFFynKGdxy/eXeCbG4qXpSMsTPHGi6Kqq5W/exyi57uoCrK9pQjY0qiW2WH8Vku+S8nzyouxfNEjsLiBLs2MI0YmizWAzZHS9z4rWNx3Ht5isYR9VEnlPaUqUVdRXrN4ff3vvLzi+I0UeGjxPg0hDhCFBW4zi4v1aVGsqyu7qVtHY1nhsOOVePYRu1t8ExuGyrC6Z8rjMVPIg2IFeaWpOlRcX1NErk/pCNbSXolHak/w2EVgeLMGCAwjYWZmiuCylApv42gJv117aexjwN+lJKNzU4lQO22fFtjYc0bNK8qXsSuYnQ9R0Nj66m1m40Nhc6Fo07jVpzWU0zqm72/fTIvSwkOQblD4ptfkG1HLtNU9TScKeddPwI2lND8zUpxlmK+JA8Qt6RiB4MsRAVlcsSNfFOgUe129VW+iq0a7jUjuZEnYS/ZNW8zsccY/wAy/kRG4W/k8GLj2eyrJC5shJs8XiliAfnLpyPK/O2lY6Xqxt9erjYlkpNG5nTUeJeN4+IsOCZozh5XcKG0Kqvjche9/sqBYXcL2KcU1nYbq9ZUa3onvZSMZvTNtNTJIqooZgka3IUaaknym156dwGt9ek4uNdQzsJ1SMf2bWn14ZZMFxGSJEjmwzHKo8ZCDfLoDla1jp21JoV9eShjfsNeirSpdaNleZSUMprbt1VnYYtucS+kjZMNC6MwsXcrdb8yqqTc95OnfUmtF0K8KUutoysaKvLapcJ4UU9nfgg9x98vweWheIvFIwIy2zK5sp0OhBAXrFsvXerfS0PWU+xFfoS2dei8Pbn5EhvZtvwxw2XKqKwUHnra5PfoPqrjJXHpq0Wlua8zqp2LtaEk3ltPPgio7I89D9InxLXX3/SRD5H/AEfdfr6rP0TVYVIrwyFAKAh94ME5MeJhXNNASQug6WJtJYrnQEgAi+mZFvpepdrVilKlU6Muvsa3S8Nz7m+sxkutGHD7PwWNXp0iAYkhnTNBMrDRkcpldWB0KnlWcq1zbv0cns7Hhxx2rOU13oYT2mQ7ElTzWPxCj8mTJOnvLrn/AMVY86hLp0ovvWU/wePwGq+pnkLtFB5WDn9Ylw2nrBl191e5s5dU4/CX9I9Y9NtTFJ5Wznbt6GWF/wDNaM14qFCXRqpfejJeSkMvsB3gy+VgsYv6ISf5TNTmmejUg/HHmkNbuPA3qi/MY4f/AI8V/wCuvXYVF9aH/wCkP6hrL9Ix/wArEOi4PaDH/wCrMv2uoH21l+z5b3Up/wCuPybPNfuZq47fF4rFsBLGGNlOIlw8AJ6gF6RnY9yqT3Vtp6NjPOKqePsxm/8Ail8Wl3hz7jDg8ZtTGnRIsHCeblXkmI/q0lVLet0FuxqznTsbdbW6kuzYo+LTf+2XijxOT7id2Nu/h8JmaOP5RzeSVyXlcnmWkOp9XLuqFcXlavhTexbktiXBGSikSlRTIUBxziv6d+hj+96gV/a/D5nc6A+j395/Iru7npEXtH4WqwuPoapw+ZxekP7wLw/KX2DfeLAFoHhlck57rltZgBbUg/Nql0HNK2Ue9m+5/faQjbLfLGOzcUPf/a64x5p1VlBiAs1r+KtuqpVwsXCOiqWcrSxlRk02k93eQe4/OP6YfetXj+j6vBnzK9X7+PBFt3m9Ih9S/Ga4zQ/RXE+iaHT/AGJc8J/lIzafpMPtJ8Yrrqvu8+D8mcdyP9jPivIkt+PKX6Nq4jRPR8T6DT9nM59u3yb1r91dU+nHifMNIfVLbs3r91WHKP8Aw/Epv8SHFeaNCbkPXVFT3s+oct91vxfyNfaXzfXXV6M2OXAmcrvY0eL8jzw/85N6l+9q5TS25cSDye2TqcEWzhX6Xi/Z/fNReVnudDj8iFS94qcX5srsnpOJ+ml/zGro776Mt+EfIs+Svvtbh8zT255se0P21hT6CLPld7kvvfzLNtj/AKXhvZg+A1VaAf8A8vV8T5zHYzLsjzEfsD9lT9O9GfEclPpufCXyOf7e9Mm9r9grVZeyjwLjS/vVTj/Ik9neQvqqZcexOh5Nta9Pgy77sck9Tftrjr/Y2T+Ufu1Xw80R+8npDepfhFdPydx6Gn+u0rJ/3Ynwf5iB3aH/ADnDe1/pvWHKT3etwXmcjojox8Se4l+kv9ElVPJj2UPvMx0j78vD5mlu56Ofbb92p+lveku4t5/RdbgxtA6j2f415Z+3hxXmS+Tf927j/P8AlNcdfrq10n79SfDzInJ36Kr+PkYvxie0v3irXSz2S4MjcmPZv7y8izT8j6jXAW3tI8V5nYaUf7t8H5ERsjz0P0ifEtdzf9JFFyP9wuv19Vn6JqsKkV4ZCgFAKAi8fsNJH6ZHeGawBliIBYDkJEIKSAdWYG1za1SaV1KEfRySlHsfVwe9eDWevJi49ZhzY+P5uGxA7QXw729mzqT7xWeLSfXKPwkv+L8x6x4bbeIXRtmYk96Ph2H2yg/ZXqtaL3Vo+Kl/SxrPsPrbeltps3GHu+QH3y0VpBvbWh/u/pGs+wfhjFN5OzJh9JLAg/wux+ynN6C31l4KT80hl9h46XaT8osHD3s8k5/uhYx9te6tlHrnLwUfxzLyHrH07DxEvn9oTEW1SBVw6/3hmkHuenOqUPZ0lxk3J/DZH/aNV9bNzZuwcPhznjhUORYyNd5SP6Urkufea01rutVWrOWzs3L4LZ+B6opElUc9FAKAUBSt7txmx+I6YYhYxkVMpQt5JY3vmHbWidBTlnJd2GmXa0PRKGduc/AjdmcMnhkWQ4tTlJNujIvcEc8/fW+q3Oylarr6ynuJutpBXn4eGD3tjho88vSDFqugFujJ5X684qBY2XNoKLedpl6V8/hefZ6jQxPCV3Rk8NUZlIv0RNr92epFWip1VURdXmnZXMHHUxlYPOw+ET4bL/PlbK4fzJXlbTzh7Kmuu+bzofaT/E5GvZekqKaZMbU4ePNKknhSqFA06Mm9jm55qprPR/N441uvJ0Fnfq2sqtoo518rOd2Vg1cVwxd5Uk8LUZSpt0RN7HNzz6VbznrU5QXWmviU+h6P7PpuD9bLybO3uHj4kgjFKtlK6xluf9oVR2mi3QWHLPWdBHS7jFx1d5Xtm8FnhBHh6tcg+ZI5fpKtXD1k+w5m4tPTY24wS+H4YOn/AHan9GR+/UjSNXnmrlYwQv2S9ZS1t3ca7cJ3P/ep+qP++oKt0mzqNOXr0mobNXVz35zgxT8I3e38+QW180T+/Vtb3foM6qN2ltJO/hCOrq6v/obvcIXwjO3hyvnAFuiKWsSfzhvzqpu7f0+NuDTo+85o5NLOSX3T4dtgZZZTilk6QWt0ZTL4xbnnN+dadL2bv6NOknjV/HZg0QratSU8b3kjX4TuZZZPDV+Ud2t0R0zMWtfPra9qsa0/SWtO3a6CSz24WCTou/5jXnV1c63fj5MwY7hA8q5fDlGt79CT9nSDtoniKRJ0tpfn9FUtTG3O/PyRK43hs0mFjw3hagoIxn6Mm+QZfJz6X9dRLCg7S7nc5znqOd5v3nrCcOnjjVPClOVQt+jIv7s1SL9K6i1uy8nmibfmF9K6znKaxu3lex/BR5Znm/CCrmN8vQE20A59IOzsrGjH0cFEm3klcVJT3ZNrD8H3QAeHKbf1JH+pW6pLXhqFho3SPMnF6ucE5svh+0AX+cq1r/iyOd/6XfVNcaM9LnEjfpHTHPKcoamNbv8A+jW2nw2eaUyeFqAQNOjJ5C3PMKs9HR5pTjDe0RZXzejXY43rGfHJo7L4SPDjY8YcardGb5OiIv4pXyukNufZXmk4O8pTgtmssFVaUubpLOcG/vPw2bGymQYtUuirboy3LrvnFRNF2XMoKLecPJjc0fTV1VyYNm8Lnhj6PwxW1Jv0RHO3VnPZW+7o84rekzgmSqt2s7f7Sa+J8xHC53IPhijS3myf36UaHoqinnc0/gbdGXTs9G1LHGdfO3djWWNx4/4Uv/8AMX9Uf99SbmTrV4Vfs42cDTo6o7S0nb4zrZ28Vg8/8J3zK3hq6EG3RHqN/wAupl3eO4Tyu4w0W+Yxcd+3JJvw9Yj0lf1Z6/7Vc/S0dqSUs9n4FvdaWddNauNjXxNPB8MHjdG8LU5WVvNkXsQbeX3Ve17n0vUQND3L0fb1aONbX/DY0dIse6oxG2H2vAKAUBE7c26uFMcYikmmlv0UMQXOwW2ZiWIVEFxdmIGo6zQGfZGPeZWMmFlgZWtlkMbX0BzK0bMCNe43B0oDfoCF2RvLDicTiMMmbPhyASRZX6mMZ6wrAoewigJqgKvtjfNcNLMjYWdo4BGZ5lMeSNZdVYqzh2A1vlBtagLRQEFtfeFocQMNFg58Q5i6U9G0KhUzFNTK663HVQE4puOVu7soCG23vB4PIkKYeaeV0eQJF0YIjjKhmvI6g6uoygkm/KgJlGuAbEX7efvoD7QCgPooBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoD5QCgFAV/b2zZxiIcZhljeSNHieKRsgeKQqxySWOVwyKdRYi400NASOyZ8Q4YzwJCb+IqydKctubHKADe+gv66Az7RaQRSGFQ0uRujDGyl7HKCeoXtQFO2duVNg3wk0WKklkiJSVZOjVGinObEFSqBs3SWkGYm5W3XegLzQFT/kik2PxOJxESujDDdCCzFc0QbMXiBymzZSMwPKgLZQFJ3s2BLNjUnGDGIjGH6O3hDYcq+ctfxfKFqAukd7C4sbC4ve3dfroCsb9bKmxKKkWGWRgGMUolME2Hn5JIrWJy9ttdLWYHQCy4ZWCKHbMwUBiBYFram3Vc0BkoBQH2gFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUAoBQCgFAKAUB//9k=" 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Além disso, subentende-se que o autor responsável pela submissão tem o consentimento de todos os outros autores. Os autores também concordam que os direitos autorais do manuscrito serão transferidos para a JCEC, caso o manuscrito seja aceito para publicação. Manuscritos aceitos e ilustrações se tornarão propriedades da JCEC.</p> </li> </ol> jcec.journal@ufv.br (jCEC EDITOR-IN-CHIEF/EDITOR GERENTE) jcec.journal@ufv.br (jCEC Journal) Qui, 02 Jan 2020 00:00:00 -0200 OJS 3.1.2.4 http://blogs.law.harvard.edu/tech/rss 60 Editorial Team/Expediente 2019 https://periodicos.ufv.br/jcec/article/view/9458 <p><a href="https://periodicos.ufv.br/jcec/article/view/2580">Editorial Team/Expediente</a></p> Editorial Team jCEC Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/9458 Sex, 20 Dez 2019 00:00:00 -0200 Editorial Review Board/Corpo de Avaliadores - 2019 https://periodicos.ufv.br/jcec/article/view/9459 <p><a href="https://periodicos.ufv.br/jcec/article/view/2581">Editorial Review Board/Corpo de Avaliadores - 2019</a></p> Editorial Team jCEC Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/9459 Sex, 20 Dez 2019 00:00:00 -0200 Template jCEC https://periodicos.ufv.br/jcec/article/view/9460 <p><strong>Template jCEC</strong></p> <p>You can submit your paper online. 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O presente trabalho propõe a aplicação da técnica de shooting de otimização como alternativa para o projeto de controladores PID robustos, sendo aplicada a uma planta de controle de nível. Pelos resultados experimentais observados, pode-se concluir que a técnica pode conferir bom desempenho de regime permanente e transitório, avaliados pelo erro estacionário, tempo de acomodação e overshoot mesmo na presença de incerteza no valor da constante de tempo do modelo da planta.</em></p> Fabrizio Leonardi, Renato Aparecido Aguiar, Ivan Carlos Franco, Mauro Renault Menezes Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/0403-0407 Sex, 20 Dez 2019 00:00:00 -0200 FAST ADAPTIVE GENERALIZED PREDICTIVE CONTROL FOR SYSTEMS WITH VARIABLE PARAMETERS https://periodicos.ufv.br/jcec/article/view/9376 <p><em>This paper proposes a fast predictive control structure with online model update according to process parametric variations. The proposed controller is based on the Generalized Predictive Control (GPC) algorithm, but it integrates the recursive least squares identification method with a variable forgetting factor to estimate at each iteration the parameters of a linear structure model used for multi-step ahead prediction. For a system with constraints on the process variables, the resulting optimization problem of GPC is solved using quadratic programming based on the Alternate Direction Method of Multipliers, which allows the control signal to be obtained with small computational effort. In order to validate the proposed algorithm an experimental case study that considers the speed control of a direct current motor and the proposed controller embedded in a microcontroller STM32F303K8T6 is presented. Experimental results use as baseline the GPC with fixed model parameters and show that the proposed fast adaptive predictive control structure is able to keep almost the same transient response for all the considered operating points of the motor, while GPC presents high oscillations at operating conditions far from the one used to obtain the nominal model. Even though the proposed controller needs to solve two optimization problems at each sampling instant, it can run about 60 times in a second in the microcontroller used in this study</em></p> S. B. ROVEA, RODOLFO FLESCH Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/9376 Sex, 20 Dez 2019 00:00:00 -0200 A IMPORTÂNCIA DAS NORMAS DE AUTOMAÇÃO PARA A INDÚSTRIA 4.0 https://periodicos.ufv.br/jcec/article/view/9375 <p>O objetivo deste trabalho é discutir a importância das normas técnicas de automação industrial no processo de transformação digital pelo qual as indústrias têm passado. Para tanto, é abordado o mecanismo de elaboração e certificação de normas técnicas, bem como as vantagens de utilizá-las, aproveitando a experiência compartilhada por profissionais de diversas indústrias e países.&nbsp; No artigo são apresentadas as principais normas voltadas para a eficiência e segurança operacional das indústrias de processos, tais como a norma ISA106 para a Automação de Procedimentos, ISA101 para Interfaces Humano-Máquina e ISA18.2 para Gerenciamento de Alarmes. A discussão passa pela apresentação dos conceitos das normas, boas práticas associadas a cada tema e exemplos de utilização.</p> C. E. G. PAIOLA, E. H. ROCHA, A. C. RODRIGUES Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/9375 Sex, 20 Dez 2019 00:00:00 -0200 INTEGRAÇÃO DO SISTEMA CIBER-FÍSICO PARA SISTEMA DE PROGRAMAÇÃO, INTERTRAVAMENTO E CONTROLE DE UM REATOR BATELADA https://periodicos.ufv.br/jcec/article/view/9381 <p><em>O presente trabalho destina-se a esclarecer o conceito de Indústria 4.0 para sistemas de controle industrial de Engenharia Química, não abandonando as técnicas consagradas e colocando-as no contexto ciber-físico através da integração entre sistema de informação, modelo virtual e o processo físico. Após a elaboração da arquitetura e programação dentro de cada módulo de sistema de controle, incluindo um observador virtual, é realizada a aplicação de intertravamento no controle de um reator de batelada, mostrando as funcionalidades de automação ciberfísica quando comparada à complexidade de hardwares em sistemas tradicionais.</em></p> RENATA SOUSA, G. R. TAIRA, S. W. PARK Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/9381 Sex, 20 Dez 2019 00:00:00 -0200 SALA DE AULA 4.0: TREINANDO UM ENGENHEIRO DE PROCESSOS EM UM AMBIENTE MULTIDISCIPLINAR https://periodicos.ufv.br/jcec/article/view/9380 <p><em>Os sistemas de gerenciamento de dados são, atualmente, um dos cernes das indústrias químicas e bioquímicas. Este ambiente multidisciplinar demanda novas técnicas de aprendizado e ensino, tais como Problem Based Learning e sala de aula invertida. A Sala de Aula 4.0 é uma experiência de imersão industrial em um ambiente acadêmico, composto por uma caldeira semi-industrial com instrumentação digital integrada a um software gerenciador. O servidor, conectado à rede institucional, permite a análise de 150 variáveis de processo, aproximando o aluno do cenário de tomada de decisão em um ambiente industrial. A metodologia desenvolvida baseia-se em atividades de aprendizado teóricas e cognitivas para ampliar o aprendizado criativo, além de estimular o desenvolvimento de indicadores de produtividade (On Stream Factor e Overall Equipment Effectiveness) para quantificar KPIs subjetivos.</em></p> ANDREA VALDMAN, Rafael Pinto Tiradentes Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/9380 Sex, 20 Dez 2019 00:00:00 -0200 CINÉTICA DE ADSORÇÃO DOS ÍONS DE Cu2+ NA CINZA DA CASCA DE ARROZ PARA TRATAMENTO DE EFLUENTE DA INDUSTRIA DE PETRÓLEO https://periodicos.ufv.br/jcec/article/view/9114 <p><em>A água produzida (AP) é gerada como subproduto da produção de petróleo, sendo um efluente de composição química complexa. Vários trabalhos vêm sendo reportados na literatura com aplicação da cinza da casca de arroz em processos adsortivos para remoção de metais tóxicos. Assim, esse trabalho teve como objetivo avaliar a cinética de adsorção de íons de Cu<sup>2+</sup> na cinza da casca de arroz (CCA) como adsorvente em meio aquoso. Os ensaios de adsorção foram conduzidos por sistemas em batelada e em condições predeterminadas. Para avaliar a cinética do processo adsortivo foram aplicados os modelos cinética de pseudo-primeira ordem e de pseudo-segunda ordem. Os resultados obtidos mostraram que CCA atingiu eficiência superior a 93% na remoção do Cu<sup>2+</sup> e quanto a cinética de adsorção, ambos os modelos se ajustaram frente aos dados experimentais, devido altos coeficientes de regressão (R² = 0,99).</em></p> Kilton Renan Alves Pereira Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/9114 Sex, 20 Dez 2019 00:00:00 -0200 ESTUDO DA VIABILIDADE E DESENVOLVIMENTO DE FILMES ATIVOS A PARTIR DE RESÍDUOS DA INDÚSTRIA VINÍCOLA https://periodicos.ufv.br/jcec/article/view/8632 <p><em>Devido à conscientização frente ao descarte de embalagens e aproveitamento de resíduos industriais, aumentou-se o interesse em desenvolvimento de embalagens ativas com aditivos naturais oriundos de rejeitos. É notória a extensão da produção de uvas no Brasil e o impacto gerado pelo descarte residual do processamento da fruta. Tendo em vista a produção de vinhos e sabendo que a casca da uva, principal componente do resíduo, possui em sua composição agentes com atividade antioxidante, este trabalho visa o desenvolvimento de filmes a base de quitosana com casca de uva para utilização em embalagens ativas. Neste trabalho realizou-se algumas análises para caracterização, envolvendo espessura, solubilidade, permeabilidade de vapor d’agua, análise colorimétrica e MEV. Os resultados demonstram que a adição da casca de uva, influenciou nas características do filme, indicando sua viabilidade.</em></p> Helen Cristiny Dias, Arlete Barbosa Reis Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/8632 Sex, 20 Dez 2019 00:00:00 -0200 ANTIMICROBIAL EFFECT OF ORGANOTIN COMPOUNDS DERIVED FROM PHENOLIC SCHIFF BASES https://periodicos.ufv.br/jcec/article/view/8884 <p><em><span lang="EN-US">Several organotin(IV) derivatives of phenolic Schiff bases were prepared and investigated by spectroscopic methods. These compounds were bioassayed to evaluate their bacterial effect against Gram-positive (</span><span lang="EN-US">Staphylococcus aureus and Bacillus subtilis) and Gram-negative (Escherichia coli and Salmonella typhimurium) microorganisms. Dimeric and monomeric compounds were characterized by infrared in solid state. Metallic centers having penta-, hexa-, and heptacoordination were identified by multinuclear NMR (<sup>1</sup>H, <sup>13</sup>C and <sup>119</sup>Sn) in solution. The di- and triorganotin(IV) derivatives were also investigated by conductimetric measurements in methanol, elemental analysis and melting point. The bioassay of these tin(IV) compounds showed that the best resulting activity was against S. aureus for the triphenyltin(IV) phenolic Schiff base derivatives, presenting MICs of 1.1 µM (0.6 </span><span lang="EN-US">m</span><span lang="EN-US">g mL<sup>-1</sup>) and 2.2 µM (1.3 </span><span lang="EN-US">m</span><span lang="EN-US">g mL<sup>-1</sup>).</span></em></p> Ane Francielly da Silva Santos, José Roberto da Silveira Maia Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/8884 Sex, 20 Dez 2019 00:00:00 -0200 APLICAÇÕES E TRATAMENTOS DA FIBRA DE BAMBU E SIMILARES: UMA REVISÃO https://periodicos.ufv.br/jcec/article/view/8626 <p><em>A preocupação global com o alto consumo de energia e o consequente aumento da poluição vêm levando o meio acadêmico a pesquisar materiais de origens naturais que possam substituir produtos utilizados na indústria e construção civil. Um dos materiais que pode ser utilizado como substituto na produção de vários produtos e que já vem sendo empregado na construção civil, arquitetura e no design é o bambu e suas fibras, este material é considerado leve, resistente, versátil, com adequadas características físicas e mecânicas. Diante disso o objetivo deste trabalho é realizar uma revisão literária para apresentar como ocorrem a aplicação e tratamentos aplicados as fibras naturais, especificamente a de bambu, para fins industriais. Inicialmente é realizada uma apresentação sobre as características botânicas da planta e posteriormente os tratamentos aplicados para melhorar suas propriedades. Por fim são apresentadas algumas das possibilidades de aplicação das fibras em materiais compósitos e na construção civil. Os resultados mostram algumas possibilidades para tratamento e as principais aplicações para as fibras naturais, com isso esperasse destacar que a utilização de fibras naturais especificamente à fibra de bambu pode ser, e vem sendo utilizada como alternativa viável para suprir as necessidades de determinados materiais.</em></p> Cassiano Rodrigues Moura Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/8626 Sex, 20 Dez 2019 00:00:00 -0200 RATIONAL DRUG DESIGN OF POTENT V600E-BRAF KINASE INHIBITORS THROUGH MOLECULAR DOCKING SIMULATION https://periodicos.ufv.br/jcec/article/view/8460 <p><em>B-RAF is a one of the RAF protein kinase group that contribute to the development of different types of cancer. V600E-BRAF protein has lot potential for scientific investigation as the therapeutic target owing to its participation in melanoma cancer and is the molecular target of many anticancer compounds like quinolinylaminopyrimidines (QAP) derivatives. In this research, interactions of QAP derivatives with V600E-BRAF kinase were modeled and predicted using molecular docking simulation approach with the help of Autodock vina version 4.0 of Pyrx software. The molecular docking simulation result of this research shows that QAP6 (−11.7 kcalmol<sup>-1</sup>) best inhibit V600E-BRAF when compared with other QAP analogous within the dataset and was found to be better than the standard V600E-BRAF inhibitor vemurafenib (-11.3 kcalmol<sup>-1</sup>). This compound (QAP6) were further used in designing novel and potent V600E-BRAF inhibitors by attaching substituents to the quinoline ring of the compound. Moreover, the two newly designed inhibitors N1 and N2 with a binding energy of −12.7 kcalmol<sup>-1</sup> and –12.9 kcalmol<sup>-1</sup> respectively were found to be more potent than the parent structure QAP6 (−11.7 kcalmol<sup>-1</sup>) and the standard V600E-BRAF inhibitor vemurafenib (-11.3 kcalmol<sup>-1</sup>). Thus; this study provides a valuable approach and new direction to novel drug discovery. There is hope in the future studies to include the synthesis and evaluation of these newly designed inhibitors which can establish them to be the most potent V600E-BRAF inhibitors and efficient ant-melanoma cancer drug.</em></p> Bello Abdullahi Umar, Adamu Uzairu, Gideion Adamu Shallangwa, Sani Uba Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/8460 Sex, 20 Dez 2019 00:00:00 -0200 QUANTITATIVE STRUCTURE-ACTIVITY RELATIONSHIP AND MOLECULAR DOCKING STUDIES OF HYDROXAMIC ACID DERIVATIVES AS NOVEL CLASS INHIBITORS AGAINST HELICOBACTER PYLORI UREASE https://periodicos.ufv.br/jcec/article/view/8751 <p><em>In order to develop quantitative structure-activity relationship (QSAR), for predicting antiulcer activity of hydroxamic acid analogues use as dataset and their antiulcer activity were obtained from the literature. Density Functional Theory (DFT) using B3LYP/6-31G* quantum chemical calculation method was used to find the optimized geometry of the studied compounds. Eight types of molecular descriptors were used to find out the relation between antipeptic ulcer (APU) activity and structural properties. Relevant molecular descriptors were selected by Genetic Function Algorithms (GFA). The best model obtained was given a distinct validated, good and robust statistical parameters which include; square correlation coefficient R<sup>2</sup> value of (0.9989), adjusted determination coefficient, R<sup>2</sup>adj value of (0.9984), Leave one out cross validation determination coefficient Q<sup>2</sup> value of (0.9948) and external validation as predicted determination coefficient R<sup>2</sup> value of(0.8409). Molecular docking analysis find out that, the best lead-compound with the higher negative value score of (-8.5 kcal/mol) were formed hydrophobic interaction and H-bonding with amino acid residue between the inhibitors compounds with their respective receptor. </em></p> Ibrahim Tijjani Ibrahim, Adamu Uzairu, Balarabe Sagagi Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/8751 Sex, 20 Dez 2019 00:00:00 -0200 EFEITO DAS CONDIÇÕES DE ANODIZAÇÃO EM Ti6Al4V NAS CARACTERÍSTICAS DO ÓXIDO FORMADO https://periodicos.ufv.br/jcec/article/view/8378 <p>Um dos grandes desafios na área de biomateriais é desenvolver implantes que consigam aliar biocompatibilidade e resistência à corrosão. Ligas de titânio vêm sendo largamente aplicadas com essa finalidade, uma vez que apresentam tais características, além de exibirem maior resistência mecânica e melhor custo-benefício frente ao titânio puro. Sob essa perspectiva, este trabalho estudou as condições do processo de anodização da liga Ti6Al4V. A caracterização do óxido formado foi realizada por microscopia eletrônica de varredura (MEV) acoplado a uma sonda de espectroscopia dispersiva em energia (EDS) e difração de raios-X (DRX). Os resultados indicam que apenas o H<sub>2</sub>SO<sub>4</sub> favoreceu a formação de filmes cristalinos, contudo, em H<sub>3</sub>PO<sub>4</sub>, os filmes são enriquecidos com fósforo.</p> Layane Isabelli Silva, Vanessa de Freitas Cunha Lins, Rosa Maria Rabelo Junqueira Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/8378 Sex, 20 Dez 2019 00:00:00 -0200 EXPERIMENTO ACADÊMICO: APLICAÇÃO DO MÉTODO DE DIFERENÇAS FINITAS PARA A ANÁLISE DO RESFRIAMENTO DE UMA BETERRABA COZIDA https://periodicos.ufv.br/jcec/article/view/8526 <table> <tbody> <tr> <td> <p><em>Diante da crescente preocupação com a segurança alimentar e seus respectivos parâmetros, estabelecidos pelos órgãos responsáveis, é importante que se saiba a respeito do tempo máximo de exposição de um alimento ao ar atmosférico de forma a evitar possíveis contaminações microbiológicas. A determinação do perfil de temperaturas nos alimentos e a forma como este varia ao longo do tempo permitem um maior controle sobre esse fator. Dessa forma, o presente estudo tem o objetivo de averiguar, por meio dos métodos numéricos de diferenças finitas e capacitância global, o processo de resfriamento de uma beterraba cozida, estabelecendo o tempo após o qual o alimento atingiria a temperatura de 60 ºC e estaria, assim, suscetível a contaminação. Após o cozimento do legume em questão, foram mensuradas as temperaturas em pontos de suas faces para intervalos de tempo preestabelecidos. Os resultados obtidos mostraram que, antes mesmo das aferições em tempos futuros, já existiam pontos na superfície às temperaturas de 52,9 e 56,6 ºC, indicando que o método utilizado não foi satisfatório para a análise inicialmente proposta.</em></p> </td> </tr> </tbody> </table> ANA LUISA DE SOUZA MAGALHÃES, SAMUEL VIEIRA BARBOSA, KRÍSSIA VELOSO SILVA DE OLIVEIRA, ANGÉLICA PRISCILA SANTOS ALVES, GABRIEL ALVES DA SILVA ABREU, MILENA COSTA DA SILVA, AMANDA MARTINS TEIXEIRA ERVILHA, SARAH FALCHETTO ANTONIAZZI, ANTONIO MARCOS DE OLIVEIRA SIQUEIRA Copyright (c) 2019 The Journal of Engineering and Exact Sciences https://creativecommons.org/licenses/by-nc-sa/4.0 https://periodicos.ufv.br/jcec/article/view/8526 Sex, 20 Dez 2019 00:00:00 -0200