# Trunk Network Rehabilitation for Resilience Improvement and Energy Recovery in Water Distribution Networks

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## Abstract

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## 1. Introduction

## 2. Materials and Methods

#### 2.1. Trunk Network

#### 2.2. Resilience Index

#### 2.3. Trunk Network Design and Energy Recovery

#### 2.4. Optimization and TN Design Procedure

## 3. Results

#### 3.1. Fossolo Network

#### 3.2. Balerma Irrigation Network

## 4. Conclusions

## Author Contributions

## Acknowledgments

## Conflicts of Interest

## References

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**Figure 4.**Dimensionless curves of PATs [18].

**Figure 8.**Results of TN rehabilitation for the Fossolo network: (

**a**) Energy benefit; (

**b**) Energy produced; (

**c**) Minimum resilience; and, (

**d**) Average increase in pipe diameters.

**Figure 11.**Pressure zones for the initial scenario and for TNs with 20% and 60% of the pipes: (

**a**) Without leakage; and, (

**b**) Pipe burst on node 22.

**Figure 13.**Scenarios for the TN size: (

**a**) 20%; (

**b**) 60%; and, (

**c**) 90%; the red lines represent the TN and the blue squares the water sources.

**Figure 14.**Results of TN rehabilitation for the Balerma irrigation network: (

**a**) Energy benefit; (

**b**) Energy produced; (

**c**) Minimum resilience; and, (

**d**) Average increase in pipes diameters.

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## Share and Cite

**MDPI and ACS Style**

Meirelles, G.; Brentan, B.; Izquierdo, J.; Ramos, H.; Luvizotto, E., Jr. Trunk Network Rehabilitation for Resilience Improvement and Energy Recovery in Water Distribution Networks. *Water* **2018**, *10*, 693.
https://doi.org/10.3390/w10060693

**AMA Style**

Meirelles G, Brentan B, Izquierdo J, Ramos H, Luvizotto E Jr. Trunk Network Rehabilitation for Resilience Improvement and Energy Recovery in Water Distribution Networks. *Water*. 2018; 10(6):693.
https://doi.org/10.3390/w10060693

**Chicago/Turabian Style**

Meirelles, Gustavo, Bruno Brentan, Joaquín Izquierdo, Helena Ramos, and Edevar Luvizotto Jr. 2018. "Trunk Network Rehabilitation for Resilience Improvement and Energy Recovery in Water Distribution Networks" *Water* 10, no. 6: 693.
https://doi.org/10.3390/w10060693