Marco Guerrini Email & Phone Number

Rome, IT

Roma, Lazio, Italia

Fitness For Service (FFS) activities due to fire at Motor Oil Hellas refinery.The following steps have been performed: - Preliminary items inspection- Activities in accordance with the API 579 standard- FEA to establish thermal gradient during fire- Coordination of NDT on items affected by fire

Material selection for hydrogen storage performing the following analysis:- Thickness calculation according to ASME B31.12- Thickness calculation according to ASME B31.3- Thickness calculation according to ASME VIII Div.2 Part 5- Material selection- Hydrogen storage method

Piping Support - 138in PipeThe scope of the work is to demonstrate that piping support is able to withstand the design, operating, test and the vacuum conditions. According to ASME VIII Div.2 Part 5 the following analysis have been performed:1) Protection against Plastic Collapse2) Protection against Local Failure3) Protection from Buckling4) Ratcheting.

KNIFE VALVE FEA according to ASME VIII Div.2 Part 5The scope of the work is to demonstrate that the valves provided by the supplier, although not in accordance with the ASME B16.5 code, are suitable for the service and the following conditions:- DESIGN CONDITION- OPERATING CONDITION- VACUUM CONDITION- TEST CONDITIONThe steps were performed as follows:- 3D.

TUBE VIBRATIONS ANALYSIS - ANSYS SYSTEM COUPLINGDue to the poor performance of the shell side steam, it was planned to add inlet nozzles on the equipment shell. Given the reduced dimensions of the nozzle sections, speed is increased for the same flow rate. An analysis was carried out to demonstrate that the natural frequency of the tube and that of the.

CFD - Computational fluid dynamicsHeat Exchanger Fluid dynamic analysis due to poor steam performance on the shell side.- Fluid and Solid domain- Named Selection on the 3D models- Meshing- CFX PRE: fluid properties, boundary conditions- Solver option set-up: chart, monitor point, convergence table- CFX POST: CFD report with contours, streamline and section.

Y PIECE FEA - 16''x16''x16'' according to ASME VIII Div.2 Part 5- DESIGN CONDITION- OPERATING CONDITION- VACUUM CONDITION- TEST CONDITIONThe steps were performed as follows:- 3D Modeling- Meshing- Engineering Data and Material Properties- Load combination extracted from CAESAR II software- FEA I: internal pressure- FEA II: weight and thermal loads.

Y PIECE FEA - 32''x32''x32'' according to ASME VIII Div.2 Part 5- DESIGN CONDITION- OPERATING CONDITION- VACUUM CONDITION- TEST CONDITIONThe steps were performed as follows:- 3D Modeling- Meshing- Engineering Data and Material Properties- Load combination extracted from CAESAR II software- FEA I: internal pressure- FEA II: weight and thermal loads.

Special piece FEA of the transfer Line in accordance with ASME VIII Div.2 Part 5In datail:- 3D Modeling- Meshing- Engineering Data and Material Properties- Load combination extracted from CAESAR II software- FEA I: internal pressure- FEA II: weight and thermal loads- Solution Combination: FEA I + FEA II- Stress Linearization acc. to ASME VIII Div.2 Part 5.

HOT TAP TIE-INs ANALYSIS:- Site Survey- Measurements at site- 3D Model in Space Claim Software- Material properties evaluation according to ASME B31.3 and ASME BPVC Sec.II Part D- FEA with ANSYS Static Structural- Stress Evaluation according to ASME VIII Div.2 Part 5

FEA/CFD specialist - Detailed FEA of the behavior of a spiral wound gasket subjected to crushing due to bolt tightening. The material properties of the gasket have been reproduced by doing laboratory tests

FEA/CFD specialist - FEA of temporary steam blowing Lines subject to weight loads and thermal expansion. The results were evaluated according to ASME VIII Div.2 Part 5

FEA/CFD specialist - FEA using Elastic Stress Analysis Method of a pipe-to-pipe connection with RPAD. The results were evaluated according to ASME VIII Div.2 Part 5.

FEA/CFD specialist - FEA of machined pipes under internal pressure and loads due to thermal expansion. The ANSYS modules used for the calculation were Thermal Transients and Transient Structural.

FEA/CFD specialist - Vibrational analysis of a thermowell in contact with the process fluid. The purpose of the study is to demonstrate that the TW and the fluid do not have the same frequencies so as to avoid the resonance condition.

CFD simulation aim is to demostrate that the total max specified lenght of 91m can be exceeded without a loss of efficiency in the steam tracing system.

FEA/CFD specialist – Design of customized high temperature Flanges. Study of thermal gradient, effect of high temperature on bolt and gasket relaxation, stress analysis according to ASME VIII Div.2 rules.

FEA/CFD specialist – Study of buckling, deformation and deflection on underground piping system due to Heavy weight crane (750 Tons) crossing the street, a large part of the study interested how the pressure due to a heavy weight is spread with a characteristic geometry due to soil reaction (pressure diffusion cone).

FEA/CFD specialist – Study of residual yield strength on steel materials after a plastic strain phenomenon due to large deformations.

FEA/CFD specialist – Feasibility study of a highway crossing over a bunch of buried pipes. Thermal analysis of a new isolation (non toxic) material for equipment platform.

FEA/CFD specialist – Calculation of special piping components as for ASME VIII Div2 of an 8-way branch. CFD/Fea analysis of a thermal gradient for injection quills. Tie-in study. CFD/Fea analysis of the emergency discharge to flare system.

FEA/CFD specialist – Study of mechanical and fluid dynamics effect on a 60deg Y-Junction. Study of flow type, vibration analysis, distribution of differential pressure due to turbulent flow and mechanical stress analysis and fatigue effect.

FEA/CFD specialist – Study and Design of Pressure Safety Valve for a critical flare system.An accurate study of the mechanical and fluid dynamic behavior was necessary to calculate with high accuracy the pressure drop necessary to open the safety valve in case of emergency.

FEA/CFD specialist – Study of the stress distribution, vibration and harmonic response of a customized injection quill, due to transversal high velocity and density flow in the header pipe. Analysis on drag pressure and frequency of vortex shedding to prevent fatigue effect on flange to quill welding.

FEA/CFD specialist – Root cause analysis, design and repairing of FCC regenerator failure (bulges on shell). Study and design of regenerator debottlenecking, and shell courses substitution. Analysis and fitness for service for a 48inch pipe (subjected to buckling) on the first sulphur condenser. CFD analysis of flue gas line. Repairing of regenerator.

FEA/CFD specialist – Analysis on underwater Pipeline, impacted and deformed by a large debris. The goal of the study was to understand how the non -linear geometry deformation can change the stress distribution on the system.

FEA/CFD specialist – Calculation of special piping components according to ASME VIII Div.2 Part 5

Laurea Triennale In Ingegneria Civile E Ambientale, Structural Engineering

Laurea Magistrale Lm In Ingegneria Civile E Ambientale, Structural Engineering