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report [2025/06/26 01:37] – [7.3 Concept] team4report [2026/03/10 18:34] (current) – epsatisep
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 ===== Abstract ===== ===== Abstract =====
  
 +The European Project Semester (EPS) is an innovative engineering capstone project semester. Currently, the programme is offered by 20 European universities, including the Instituto Superior de Engenharia do Porto (ISEP). EPS employs a learning framework based on real-world challenges, interdisciplinary projects, and multicultural and multidisciplinary teamwork. Teams are required to design solutions based on market and state-of-the-art analyses, adhere to ethical and sustainability principles, and develop and test a proof-of-concept prototype. In the spring of 2025, an EPS@ISEP team decided to address the issue of domestic water waste.  The most apparent waste occurs when users turn on the tap and wait for the water to heat up, sending clean water down the drain. The designed solution eliminates this waste by redirecting water below the temperature set by the user from the shower to an additional toilet water tank. AzuLoop consists of a smart shower mixer, a water tank that adapts to existing toilet water tanks, and a few additional pipes. AzuLoop is easy to install, provides a comfortable shower experience, and reuses the clean cold shower water. 
 +During the semester, the team successfully designed, developed, and tested the AzuLoop prototype, while gaining valuable technical and personal skills through collaborative learning
 ===== Glossary ===== ===== Glossary =====
 <WRAP round box 400px> <WRAP round box 400px>
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 \end{equation} \end{equation}
  
-**Energy saving by reutilizing water (Calculated with a water cleaning power usage of 2 kWh/m^3) = (0,002 kWh/L)**+**Energy saving by reutilizing water (Calculated with a water cleaning power usage of 2 kWh/m^3 and a water waste of five liters per shower) = (0,002 kWh/L)**
  
  
 \begin{equation} \begin{equation}
-P_cleaning = 0,002 kWh/L * 5 L = 0,01 kWh +P_c = 0,002 kWh/L * 5 L = 0,01 kWh 
 \end{equation} \end{equation}
  
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 === Software === === Software ===
 +
 +
  
 The software differs for the prototype since there are only 2 valves and one water sensor used, the valves are both normally closed, and the microcontroller is an Arduino UNO instead of an ESP32. The software differs for the prototype since there are only 2 valves and one water sensor used, the valves are both normally closed, and the microcontroller is an Arduino UNO instead of an ESP32.
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 === Displacement Analysis === === Displacement Analysis ===
 <WRAP> <WRAP>
- +<figure displacement>  
-<figure displacement> {{ :displacement.png?400 |}} <caption>Displacement distribution</caption> </figure> </WRAP>+{{ :displacement.png?400 |}}  
 +<caption>Displacement distribution</caption>  
 +</figure>  
 +</WRAP>
 The displacement analysis shows maximum deformation of 0.02066 mm (2.066e-02), which is negligible for practical applications. The displacement pattern shows outward bulging of the tank walls, with maximum displacement occurring at the mid-height of the walls where bending effects are most pronounced. These minimal displacements confirm that the tank maintains its structural integrity and dimensional stability under the applied hydrostatic load. The displacement analysis shows maximum deformation of 0.02066 mm (2.066e-02), which is negligible for practical applications. The displacement pattern shows outward bulging of the tank walls, with maximum displacement occurring at the mid-height of the walls where bending effects are most pronounced. These minimal displacements confirm that the tank maintains its structural integrity and dimensional stability under the applied hydrostatic load.
  
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