PRODUCTION ENGINEERING

Welcome to my Engineering Journey

Join me as I navigate the challenges, discoveries, and growth in the world of Production Engineering—and beyond. This is more than just a path to a degree; it’s a story of passion, innovation, and the drive to make a difference.

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About Me

Rafael Queiroz

I'm Rafael Queiroz, a dedicated Production Engineering student passionate about operational efficiency and sustainable manufacturing practices. This platform showcases my academic journey, featuring detailed project analyses and practical applications of engineering principles.

Since commencing my studies at Unicesumar University in 2021, I've focused on bridging theoretical knowledge with real-world applications. All content is available in English to facilitate global knowledge sharing and professional collaboration.

Academic Projects

Corporate Communication

ICT Impact During Pandemic

Investigate how ICT tools like MS Teams, Zoom, and WhatsApp shaped personal and professional connections during the pandemic. Analyze their effectiveness, challenges, and the future of remote communication.

Top Grade
Case Study

Analytical Geometry and Linear Algebra

Warehouse Optimization: A Data-Driven Revolution

This project explores how mathematical modeling and data analysis can revolutionize warehouse logistics. We investigate the use of linear algebra and optimization techniques to enhance efficiency and reduce waste.

Top Grade
Case Study

Differential and Integral Calculus 1

Understanding Cost, Revenue, and Profit Functions

Explore a practical study of cost, revenue, and profit functions at the AZUL jeans factory. Learn to calculate optimal production, maximise profits, and use integral calculus to analyse operational savings.

Top Grade
Case Study

Economic Engineering

Lucy Clothing's Financial Feasibility Study

Explore Lucy Clothing's expansion into pet clothing. Learn how to evaluate funding options, calculate Net Present Value (NPV), and project cash flows to ensure profitability.

Top Grade
Case Study

Introduction to Engineering

Brazil's Energy Transition: A Roadmap to a Sustainable Future

Explore Brazil's renewable energy potential and climate challenges. Learn how to analyze water distribution, greenhouse gas emissions, and energy policies to guide sustainable investments.

Top Grade
Case Study

Concepts of Administration and Business Ethics

Revolutionising Mobility: A Business Plan for the Future of Cycling

Develop a sustainable business model for a chainless bicycle company in Brazil, focusing on strategy, marketing, and entrepreneurship.

Top Grade
Case Study

Entrepreneurship

Unlocking Innovation: The Power of Intrapreneurship in Today’s Workplace

Discover how intrapreneurship fuels innovation and growth within organisations. Explore actionable strategies to drive transformative change in your workplace.

Top Grade
Case Study

People Management and Team Development

A Deep Dive into People Management During the Pandemic

This project analyses the impact of home office on productivity, employee well-being, and team dynamics, offering actionable insights for future work models.

Top Grade
Case Study

Experimental Chemistry

Explore the Secrets of Chemical Reactions: From Bicarbonate Fizz to Industrial Solutions

Discover how chemistry shapes our world through hands-on experiments and explore its vital role in solving industrial challenges like ammonia synthesis.

National Challenge Winner
Case Study

General and Inorganic Chemistry

Working with Sodium Hydroxide Solution

Learn how to prepare and analyze sodium hydroxide solutions, calculate their concentrations, and determine pH values for industrial applications.

Top Grade
Case Study

Environmental Sciences

Towards a Sustainable Textile Industry: Processes, Impacts, and Solutions

Discover the environmental challenges of the textile industry, from production processes to legal frameworks, and explore actionable solutions for a sustainable future.

Top Grade
Case Study

Materials Science

Choosing the Right Gloves: Safety vs. Exposure

Calculate exposure rates and breakthrough times for different glove materials to determine the best protection against toluene.

Top Grade
Case Study

Differential and Integral Calculus 2

Mixing Tank Engineering: From Volume to Concentration

Design a mixing tank, calculate its volume using integrals, and model salt concentration over time to understand real-world process dynamics.

Top Grade
Case Study

Technical Drawing

Technical Drawing and Projection in Engineering

Master essential engineering drawing techniques, from manual sketches to CAD-based technical projections.

Case Study

Occupational Safety and Ergonomics

Risk Management in Construction: Ensuring Worker Safety

This activity focuses on applying risk management concepts to the construction industry. You'll identify hazards, assess risks, and propose effective control measures to enhance worker safety on-site.

Top Grade
Case Study

Industrial Maintenance

Transforming Maintenance for Maximum Efficiency

Optimizing maintenance strategies in manufacturing. The focus is on identifying key factors that enhance efficiency and deliver impactful results. Data-driven insights lead to actionable improvements in operations.

Top Grade
Case Study

Statistics and Probability

Income Distribution: Segmenting Financial Services

Analysing the income distribution of 100 bank clients, helping businesses better target their financial products. Learn how to calculate frequencies, averages, and segment data for improved service targeting.

Top Grade
Case Study

Mathematical Programing and Numeric Calculus

Solve Real Problems with Linear Systems

Turn everyday scenarios into solvable equations! Learn to model ticket pricing and investment strategies using linear systems and solve them efficiently with Octave.

Top Grade
Case Study

General and Experimental Physics 1

Statics & Hydrostatics: Understanding Forces and Buoyancy

Discover how the principles of equilibrium and buoyancy are applied in engineering. Solve real-world challenges by calculating mass using static force balance and Archimedes’ principle.

Case Study

General and Experimental Physics 2

Calorimetry: Unveiling the Secrets of Heat Exchange

Measure the specific heat of a liquid using a calorimeter and apply thermal equilibrium principles to analyze heat transfer.

Top Grade
Case Study

Transport Phenomena

Heat Exchangers Efficiency and Performance Study

Study different types of heat exchangers, analyze efficiency, and optimize performance using simulations.

Top Grade
Case Study

Mechanics and Strength of Materials

Strength of Materials: Testing & Structural Validation

Analyze mechanical properties through tensile testing, stress-strain graphs, and key calculations to determine material suitability for structural applications.

Case Study

Time and Motion Engineering

Optimizing Bakery Production and Quality

Apply Time and Motion Engineering to analyze French bread production capacity while addressing customer complaints through quality management tools.

Top Grade
Case Study

Mechanical Manufacturing Processes and Metrology

Casting: From Bronze Age to Modern Manufacturing

Explore the evolution of casting techniques and their impact on modern manufacturing, including hands-on experience with sand casting and metal mold processes.

Top Grade
Case Study

Industrial Automation

Efficient Silo Monitoring with Profibus DP

Connect silo sensors to a PLC with Profibus DP for real-time mass measurement and efficient production control.

Top Grade
Case Study

Production Planning and Control

Smart Strategies for Cookie Production

See how effective planning transforms raw ingredients into top-selling cookies. Learn to forecast demand, manage inventory, and optimize production for efficiency and profitability.

Top Grade
Case Study

Quality Management

Crafting Quality: A Journey Through Furniture Manufacturing

Dive into the art of quality control in furniture making. Map processes and ensure every piece meets perfection.

Top Grade
Case Study

Operational Research

Maximizing Profit in Juice Production

Use linear programming to optimize juice production, maximize profits, and manage constraints in a real-world export case.

Top Grade
Case Study

Corporate Accounting

Expect by May 2025

This assignment is in progress. It will be posted once its graded

In Progress

Product Engineering

Expect by May 2025

This assignment is in progress. It will be posted once its graded

In Progress

Project Management

Expect by Aug 2025

This assignment is in progress. It will be posted once its graded

In Progress

Corporate Logistics

Expect by Aug 2025

This assignment is in progress. It will be posted once its graded

In Progress

Electronics and Electrotechnics

Expect by Nov 2025

This assignment is in progress. It will be posted once its graded

In Progress

Strategic Planning

Expect by Nov 2025

This assignment is in progress. It will be posted once its graded

In Progress

Information Technology Management

Expect by Jan 2026

This assignment is in progress. It will be posted once its graded

In Progress

Industrial Plant Design

Expect by Jan 2026

This assignment is in progress. It will be posted once its graded

In Progress

Statistical Process Control

Expect by May 2026

This assignment is in progress. It will be posted once its graded

In Progress

Process Mapping

Expect by May 2026

This assignment is in progress. It will be posted once its graded

In Progress

Production Costs

Expect by Aug 2026

This assignment is in progress. It will be posted once its graded

In Progress

Simulation of Manufacturing Processes

Expect by Aug 2026

This assignment is in progress. It will be posted once its graded

In Progress

Final Thesis

Expect by Aug 2026

This assignment is in progress. It will be posted once its graded

In Progress

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