Wren 2026 · Abstracts

Abstracts

The Workshop on Renewable Energy and Sustainability

Send your abstract to email ufpawren2026@gmail.com

Nanotechnology

RIBBON WIDTH AS AN INDEPENDENT DESIGN PARAMETER FOR STRAIN-TUNABLE DODECANOPHENE NANORIBBONS

L. L. da Silva Teixeira¹, F. Baia Reis², L. do A. Poll³, L. de N. P. Cordeiro⁴, J. Del Nero⁵

¹Pós-graduação em Engenharia Elétrica, UFPA, Belém, 66075-110, Brazil
²Pós-graduação em Física, UFPA, Belém, PA, 66075-110, Brazil
³Pós-graduação em Engenharia Civil, UFPA, Belém, 66075-110, Brazil
⁴Faculdade de Engenharia Civil, UFPA, Belém, 66075-110, Brazil
⁵Faculdade de Física, UFPA, Belém, 66075-110, Brazil

Nanotechnology

ATHOS-GRAPHENE: A METALLIC CARBON ALLOTROPE

A. Sampaio-Silva¹, A. B. R. da Silva², J. Del Nero³.

¹Departamento de Física, Universidade do Estado do Pará (UEPA), Belém, Brazil
²Universidade Federal do Pará (UFPA), Belém, Brazil

Nanotechnology

CONTACT-SITE AND RING-TOPOLOGY DESIGN RULES FOR CARBYNE-NANORIBBON MOLECULAR JUNCTIONS

A. B. R. da Silva¹, I. S. Costa², A. Sampaio-Silva³, J. Del Nero⁴

¹Departamento de Física, Universidade do Estado do Pará (UEPA), Belém, Brazil
²Universidade Federal do Pará (UFPA), Belém, Brazil

Nanotechnology

FROM DFT-COMPUTED CONDUCTIVITY TO FULL-WAVE DESIGN OF Γ-GRAPHYNE TERAHERTZ PATCH ANTENNAS

D. H. Cardoso¹, I. R. S. Miranda², F. A. T. Abreu³, M. C. Alcântara Neto⁴, C. A. B. Silva, Jr⁵, S. J. S. Santos⁶ J. Del Nero⁷

¹Programa de Pós-Graduação em Engenharia Elétrica, UFPA, Belém, Brazil
²Departamento de Ciências Naturais, Universidade do Estado do Pará (UEPA), Castanhal, Brazil
³Instituto de Tecnologia, UFPA, Belém, Brazil
⁴Faculdade de Física, UFPA, Ananindeua, Brazil
⁵Faculdade de Física, UFPA, Belém, Brazil

Nanotechnology

EDGE TERMINATION AS A SWITCH BETWEEN NEAR-BALLISTIC CONDUCTION AND NEGATIVE DIFFERENTIAL RESISTANCE IN ZP-GRAPHENE NANORIBBONS

J. M. Duarte¹, M. Moura-Moreira², J. Del Nero³

¹Faculdade de Engenharia de Minas, UFOPA, Juruti, 68170-000, Brazil
²Departamento de Física, UEPA, Cametá, 68400-000, Brazil
³Faculdade de Física, UFPA, Belém, 66075-110, Brazil

Nanotechnology

RIBBON WIDTH AS AN INDEPENDENT DESIGN PARAMETER FOR STRAIN-TUNABLE DODECANOPHENE NANORIBBONS

L. L. da Silva Teixeira¹, F. Baia Reis², L. do A. Poll³, L. de N. P. Cordeiro⁴, J. Del Nero⁵

¹Pós-graduação em Engenharia Elétrica, UFPA, Belém, 66075-110, Brazil
²Pós-graduação em Física, UFPA, Belém, PA, 66075-110, Brazil
³Pós-graduação em Engenharia Civil, UFPA, Belém, 66075-110, Brazil
⁴Faculdade de Engenharia Civil, UFPA, Belém, 66075-110, Brazil
⁵Faculdade de Física, UFPA, Belém, 66075-110, Brazil

Nanotechnology

A SYSTEMATIC DFT+NEGF MAP OF CONTACT, LENGTH, AND STRAIN EFFECTS IN POLYACETYLENE/CARBYNE JUNCTIONS

M. S. França¹, I. S. Costa², J. Del Nero².

¹Pós-graduação em Engenharia Elétrica, UFPA, Belém, 66075-110, Brazil
²Faculdade de Física, UFPA, Belém, 66075-110, Brazil

Nanotechnology

EDGE GEOMETRY AND BIAS CONTROL OF RESONANT TRANSPORT IN M-GRAPHENE NANORIBBONS

M. Moura-Moreira¹, F. Baia Reis², I. S. Costa³, J. Del Nero³

¹Departamento de Física, Universidade do Estado do Pará (UEPA), Cametá, PA, 68400-000, Brazil
²Pós-graduação em Física, UFPA, Belém, PA, 66075-110, Brazil
³Faculdade de Física, UFPA, Belém, 66075-110, Brazil

Nanotechnology

EDGE-RING SELECTION AS A DESIGN PARAMETER FOR QUANTUM TRANSPORT IN X-GRAPHENE NANORIBBONS

S. C. da Luz¹, I. S. Costa¹, L. do A. Poll², L. de N. P. Cordeiro³, J. M. Duarte⁴, J. Del Nero⁵

¹Faculdade de Física, Universidade Federal do Pará (UFPA), Belém, PA, 66075-110, Brazil
²Pós-graduação em Engenharia Civil, UFPA, Belém, 66075-110, Brazil
³Faculdade de Engenharia Civil, UFPA, Belém, 66075-110, Brazil
⁴Faculdade de Engenharia de Minas, Universidade Federal do Oeste do Pará (UFOPA), Juruti, PA, 68170-000, Brazil

Nanotechnology

THEORETICAL AND EXPERIMENTAL STUDY OF THE ELECTRONIC AND OPTICAL PROPERTIES OF PURE KDP CRYSTAL AND Pd+2 DOPED KDP (Pd:KDP)

J. A. dos S. Cardoso¹, F. F. de Sousa¹, P. T. C. Freire², L. F. L. da Silva³, S. G. C. Moreira⁴

¹Institute of Exact and Natural Sciences, Federal University of Pará, Belém, PA 66075-110, Brazil
²Department of Physics, Federal University of Ceará, Ceará, CE 65455-900, Brazil
³Institute of criminalistics, Scientific Police of Pará, Marabá 68507-000, PA, Brazil

Renewable Energy

NUMERICAL MODELING OF FLOW OVER A CURVED BLADE APPLIED TO LOW REYNOLDS-NUMBER WINDS TURBINES

Sousa D.L.P¹; Nobre J.C.A²; Vaz J.R.P³; Vale S.B⁴

¹Department of Energy Engineering, Federal University of Pará, Ananindeua, Pará, Brazil
²Graduate Program in Mechanical Engineering, Federal University of Pará, Belém, Pará, Brazil

Renewable Energy

INTEGRATE EXPERIMENTAL EVALUATION OF THE ELECTRICAL PERFORMANCE OF A PHOTOVOLTAIC MODULE UNDER DIFFERENT ARTIFICIAL LIGHTING CONDITIONS

Menezes, B. Sc.¹; Sousa, D. L. P. ²; Nobre, J. C. Aa.; Vale, S. B. ³

¹a Graduate Program in Mechanical Engineering, Federal University of Pará, Belém, Pará, Brazil
²Department of Energy Engineering, Federal University of Pará, Ananindeua, Pará, Brazil
³Faculty of Energy Engineering, Federal University of Pará, Ananindeua, Pará, Brazil

Renewable Energy

HYDROGEN PRODUCTION BY ETHANOL-ASSISTED ELECTROLYSIS ON BOARD OF VEHICLES

Germano Tremiliosi-Filho¹

¹USP - Institute of Chemistry - São Carlos

Renewable Energy

THERMO-ENERGY PERFORMANCE OF ALTERNATIVE MATERIALS WITH RENEWABLE COMPONENTS FOR USE IN CEILINGS OF BUILDINGS EXPOSED TO THE AMAZONIAN CLIMATE

Larissa dos Santos Borges¹; Roberto Tetsuo Fujiyama²

¹Federal University of Pará - UFPA, Pará, Brazil

Renewable Energy

EFFECT OF ADDITIVES ON THE CATHODIC ELECTRODEPOSITION OF MnO₂ FOR ELECTROCHEMICAL CAPACITOR APPLICATIONS

Leandro Santos Machado¹; Rodrigo Della Noce¹.

¹Universidade Federal do Pará - UFPA, Pará, Brazil

Renewable Energy

DEVELOPMENT OF A NEW FORMULATION FOR CALCULATING THE MOMENT OF INERTIA OF SWEEP BLADES OF HYDROKINETIC TURBINES

Clenilton Ribeiro dos Santos Junior¹; Jerson Rogério Pinheiro Vaz¹.

¹Universidade Federal do Pará - UFPA, Pará, Brazil

Sustainable Education

LEARNING FROM NATURE: DESIGNING AND MANUFACTURING HIGH-PERFORMANCE COMPOSITE STRUCTURES

Joanna C.H. Wong¹

¹Laboratory of Engineering Materials, Department of Mechanical and Manufacturing Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada

Sustainability

LOW-COST IOT SSTEM FOR MONITORING WATER LEVELS IN URBAN CHANNELS IN THE METROPOLITAN REGION OF BELÉM

André Maurício Macedo Cruz¹; Geovanny de Sousa Dias²; João Lucas de Lima Serafim³; Thiago Almeida Machado⁴.

¹MNPEF - Mestrado Nacional Profissional em Ensino de Física

Sustainability

VALORIZATION OF AGRO-INDUSTRIAL WASTE (COCONUT AND SUGARCANE) IN THE PRODUCTION OF BIODEGRADABLE SEEDLING TUBES FOR FOREST SPECIES

Ana Gabrielly Silva De Brito¹; Luna Da Gama Silva²; Ana Laura Gonçalves do Rego Costa³; Wellington Lopes De Souza Filho⁴; Thiago Almeida Machado⁵.

¹MNPEF - Mestrado Nacional Profissional em Ensino de Física

Sustainability

DEVELOPMENT AND CHARACTERIZATION OF A TOPICAL FORMULATION BASED ON TUCUMÃ (ASTROCARYUM ACULEATUM) BIOACTIVES FOR COMBATING SKIN OXIDATIVE STRESS

Cauê Trindade Rodrigues¹; Heitor Moraes Dantas²; Maria Luiza Sales do Rosário³; Wellington Lopes de Sousa Filho, Thiago Almeida Machado⁴.

¹MNPEF - Mestrado Nacional Profissional em Ensino de Física

Sustainability

PERFORMANCE ANALYSIS OF FORWARD AND BACKWARD SWEPT WIND BLADES

Nobre, J. C. A.¹; Sousa, D. L. P.²; Guimarães, T. B.³; Vaz, J. R. P.⁴; Vale, S. B.⁵.

¹Graduate Program in Mechanical Engineering, Federal University of Pará, Belém, Pará, Brazil
²Department of Mechanical Engineering, Pennsylvania State University, Pennsylvania, United States
³Department of Energy Engineering, Federal University of Pará, Ananindeua, Pará, Brazil