Session: 24-01 Additive Manufacturing - Session 1

Paper Number: 124246

124246 - Numerical Analysis of a Nozzle Guided Vane Filled With Lattice Structures 

Gas turbines play a critical role in industries such as power generation and aviation. Additive manufacturing has emerged as a game-changing technology for gas turbine components, offering superior design flexibility and performance enhancements. The present work provides an overview of a multistep approach for integrating lattice structures into a specific gas turbine component, the NGV, using additive manufacturing technology. The first step involves a comprehensive assessment of lattice structures' influence on the mechanical and thermal properties of the exposed part of NGV. Through computational simulations and experiments, an ideal lattice geometry is determined, optimizing structural integrity and heat transfer properties while minimizing volume usage.The second step sets the baseline performances of the current NGV system components, which were investigated and selected for additive manufacturing analysis.The third step focuses on the overall effect of additive manufacturing capabilities in the NGV system. These designs are tailored to set the upper limit of the novel components, in terms of heat dissipation efficiency, and aerodynamic performance criteria.The fourth and final step optimizes the additive manufacturing process for fabricating gas turbine components with lattice structures. Laser Powder Bed Fusion (L-PBF) technology, united with advanced Topological Optimization analyses, and high-temperature alloys were selected to withstand the demanding gas turbine operating conditions.This multistep approach represents a significant step forward in gas turbine technology, capitalizing the advanced mechanical applications as lattice designs and additive manufacturing, aiming in enhanced performance, reduced weight, and improved efficiency. These developments hold the potential to achieve more sustainable and cost-effective energy generation and transportation systems.

Presenting Author: Ivan Senegaglia University of Pisa

Presenting Author Biography: Ph.D Candidate in Industrial Engineering. My field of study concerns digital instrument implementation for Additive Manufacturing and Fracture Mechanics.

Authors:

Ivan Senegaglia University of Pisa
Tommaso Grossi University of Pisa
Giuseppe Macoretta University of Pisa
Bernardo Disma Monelli University of Pisa
Andrea Fardelli Baker Hughes
Girolamo Tripoli Baker Hughes
Paolo Del Turco Baker Hughes
Simone Colantoni Baker Hughes