Paolo Tamburrano
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View article: Simulation and Control of an Advanced Metering Valve for Hydrogen-Powered Aircraft Fuel Systems Using Simscape Language
Simulation and Control of an Advanced Metering Valve for Hydrogen-Powered Aircraft Fuel Systems Using Simscape Language Open
Hydrogen propulsion is a promising solution for reducing flight emissions in aviation industry, offering a cleaner alternative to conventional kerosene-fuelled aircrafts. While hydrogen combustion is more practical in the short term due to…
View article: On the lubricant oil potential to serve as auto-ignition centre in hydrogen engines: reactivity alteration, chemical ignition, and propagation modes
On the lubricant oil potential to serve as auto-ignition centre in hydrogen engines: reactivity alteration, chemical ignition, and propagation modes Open
View article: An Innovative Cryogenic Heat Exchanger Design for Sustainable Aviation
An Innovative Cryogenic Heat Exchanger Design for Sustainable Aviation Open
Aviation is one of the most important industries in the current global scenario, but it has a significant impact on climate change due to the large quantities of carbon dioxide emitted daily from the use of fossil kerosene-based fuels (jet…
View article: Numerical Analysis of a High-Power Piezoelectric Pump using Computational Fluid Dynamics (CFD) Simulations
Numerical Analysis of a High-Power Piezoelectric Pump using Computational Fluid Dynamics (CFD) Simulations Open
In recent years, piezoelectric materials have gained increasing attention for their high performance, reduced moving parts, and design flexibility. This interest has led researchers to explore their application in piezoelectric pumps, comm…
View article: Investigation of Cavitation Phenomena in a “High-Power” Piezohydraulic Pump: A Computational Fluid Dynamics (CFD) Approach
Investigation of Cavitation Phenomena in a “High-Power” Piezohydraulic Pump: A Computational Fluid Dynamics (CFD) Approach Open
Piezoelectric pumps, known as piezopumps, are highly versatile devices with applications in various fields due to their precise flow control, compact design, lack of magnetic interference, and low noise. These pumps are classified based on…
View article: A Novel Hydrogen-Nitrogen Heat Exchanger For Aeronautical Applications
A Novel Hydrogen-Nitrogen Heat Exchanger For Aeronautical Applications Open
Renewable fuels are playing an increasingly central role in shaping today’s energy landscape, and within the aviation sector there is a remarkable drive to research and develop engines that harness the potential of these sustainable resour…
View article: Linking lubricant oil contamination to pre-ignition events in hydrogen engines–The HyLube mechanism
Linking lubricant oil contamination to pre-ignition events in hydrogen engines–The HyLube mechanism Open
View article: A chemical-kinetics-based approach for the preliminary design of hydrogen internal combustion engines
A chemical-kinetics-based approach for the preliminary design of hydrogen internal combustion engines Open
The primary objective of the present work is to correlate the hydrogen explosive characteristics with internal combustion engine design parameters particularly the engine compression ratio. An approach, that couples the knowledge about H2 …
View article: Characterization of the hydrogen combustion process in a scramjet engine
Characterization of the hydrogen combustion process in a scramjet engine Open
In this paper, by using a large eddy simulation, we study the combustion process in the HyShot II scramjet combustor. By conducting a detailed analysis of the mass-fraction distributions of the main species, such as H2, H2O and the radical…
View article: Digital hydraulic valves: Advancements in research
Digital hydraulic valves: Advancements in research Open
View article: Can lubricant oil promote undesired self-ignition of the charge in hydrogen engines?
Can lubricant oil promote undesired self-ignition of the charge in hydrogen engines? Open
Hydrogen utilization in internal combustion engines is deemed a viable solution for promoting a rapid transition towards a carbon-free mobility, especially for those hard-to-electrify applications. However, critical aspects still poorly un…
View article: Detailed performance analysis of a novel small-scale biomethane liquefaction plant
Detailed performance analysis of a novel small-scale biomethane liquefaction plant Open
In the current global energy scenario, an important role is played by the increasing production of biomethane, which is carbon-neutral when burned. In addition to production processes, it is paramount to increase the construction of liquef…
View article: Digital Hydraulic Technology: Applications, Challenges, and Future Direction
Digital Hydraulic Technology: Applications, Challenges, and Future Direction Open
Digital hydraulic technology has emerged as a promising alternative to conventional hydraulic systems, offering several advantages such as improved energy efficiency, more precise control, and reduced complexity. In recent years, digital h…
View article: Comprehensive Numerical Analysis of a Four-Way Two-Position (4/2) High-Frequency Switching Digital Hydraulic Valve Driven by a Ring Stack Actuator
Comprehensive Numerical Analysis of a Four-Way Two-Position (4/2) High-Frequency Switching Digital Hydraulic Valve Driven by a Ring Stack Actuator Open
This paper presents a feasibility study using a commercially available ring stack actuator to develop a four way-two position (4/2) high frequency switching digital hydraulic valve. The excellent characteristics of multilayer piezoelectric…
View article: A novel small-scale biomethane liquefaction process: Assessment through a detailed theoretical analysis
A novel small-scale biomethane liquefaction process: Assessment through a detailed theoretical analysis Open
The use of biomethane as fuel in the transport and power generation sectors is widely considered an effective tool to pursue the goals of carbon neutrality and energy security. Therefore, it is very important to promote not only the produc…
View article: A Small-Scale Biomethane Liquefaction Process: Assessment Through a Detailed Theoretical Analysis
A Small-Scale Biomethane Liquefaction Process: Assessment Through a Detailed Theoretical Analysis Open
View article: Fuels systems and components for future airliners fuelled with liquid hydrogen
Fuels systems and components for future airliners fuelled with liquid hydrogen Open
The prospect of using liquid hydrogen as fuel in airliners in place of kerosene-based fuels is regarded as one of the most effective solutions to achieve low-carbon air transport in the near future, which is a target defined by the EU to r…
View article: Thermodynamic Analysis of a Small-scale Biomethane Liquefaction Process
Thermodynamic Analysis of a Small-scale Biomethane Liquefaction Process Open
Liquid biomethane, obtained from anaerobic digestion of organic biomass, upgrading and liquefaction processes, is regarded as one of the most effective renewable biofuels to be extensively employed in the transport and power generation sec…
View article: Detailed simulations of an aircraft fuel system by means of Simulink
Detailed simulations of an aircraft fuel system by means of Simulink Open
The fuel system is one of the most important and complex parts of aircraft, being tasked with suppling the correct quantity of fuel to the aircraft engine during all operative conditions, from flight to ground operation. It must operate ef…
View article: Highlighting the Role of Lubricant Oil in the Development of Hydrogen Internal Combustion Engines by means of a Kinetic Reaction Model
Highlighting the Role of Lubricant Oil in the Development of Hydrogen Internal Combustion Engines by means of a Kinetic Reaction Model Open
The urgent need to reduce the dependence on fossil fuels has re-ignited the interest toward Hydrogen Internal Combustion Engines (HICEs). Nevertheless, there are still criticalities that need to be assessed for accelerating the development…
View article: Validation of a Simulink Model for Simulating the Two Typical Controlled Ventilation Modes of Intensive Care Units Mechanical Ventilators
Validation of a Simulink Model for Simulating the Two Typical Controlled Ventilation Modes of Intensive Care Units Mechanical Ventilators Open
Mechanical ventilators are vital components of critical care services for patients with severe acute respiratory failure. In particular, pressure- and volume-controlled mechanical ventilation systems are the typical modes used in intensive…
View article: A Review of Novel Architectures of Servovalves Driven by Piezoelectric Actuators
A Review of Novel Architectures of Servovalves Driven by Piezoelectric Actuators Open
This paper is a thorough review of innovative architectures of electro-hydraulic servovalves that exploit actuation systems based on piezo-electric materials. The use of commercially available piezo-electric actuators, namely, piezo stacks…
View article: Direct Drive Servovalves Actuated by Amplified Piezo-Stacks: Assessment through a Detailed Numerical Analysis
Direct Drive Servovalves Actuated by Amplified Piezo-Stacks: Assessment through a Detailed Numerical Analysis Open
This paper presents a feasibility study using commercially available amplified piezo-stacks for the direct actuation of four-way three-position (4/3) direct drive servovalves. The prospect of using amplified piezo-stacks in place of linear…
View article: A Review of Novel Architectures of Servovalves Driven by Piezo-Electric Actuators
A Review of Novel Architectures of Servovalves Driven by Piezo-Electric Actuators Open
This paper is a thorough review of innovative architectures of electro-hydraulic servovalves that exploit actuation systems based on piezo-electric materials. The use of commercially available piezo-electric actuators, namely, piezo-stacks…
View article: Simulation of a high frequency on/off valve actuated by a piezo-ring stack for digital hydraulics
Simulation of a high frequency on/off valve actuated by a piezo-ring stack for digital hydraulics Open
Despite being widely used in several applications, commercially available spool valves, both servovalves and proportional valves, are inefficient components because they cause high power consumption due to the large pressure drops across t…
View article: Evolution of Soot Particle Number, Mass and Size Distribution along the Exhaust Line of a Heavy-Duty Engine Fueled with Compressed Natural Gas
Evolution of Soot Particle Number, Mass and Size Distribution along the Exhaust Line of a Heavy-Duty Engine Fueled with Compressed Natural Gas Open
An experimental study has been conducted to provide a characterization of the transformations that particle size distributions and the number density of soot particles can encounter along the exhaust line of a modern EURO VI compliant heav…
View article: Experimental and numerical study of a novel piezoelectric pilot stage for servovalves
Experimental and numerical study of a novel piezoelectric pilot stage for servovalves Open
Two -stage servovalves, despite being widely used in aircraft and industry because of their reliability and high performance, have a few disadvantages that are still unsolved at the state of the art, such as the power consumption caused by…
View article: A Novel Servovalve Pilot Stage Actuated by a Piezo-Electric Ring Bender (Part II): Design Model and Full Simulation
A Novel Servovalve Pilot Stage Actuated by a Piezo-Electric Ring Bender (Part II): Design Model and Full Simulation Open
In part I of this study, we experimentally and numerically investigated the pilot stage of a novel two-stage servovalve architecture. The novelty of the proposed configuration is the torque motor being removed and replaced with two small t…
View article: A Novel Servovalve Pilot Stage Actuated by a Piezo-electric Ring Bender: A Numerical and Experimental Analysis
A Novel Servovalve Pilot Stage Actuated by a Piezo-electric Ring Bender: A Numerical and Experimental Analysis Open
Electrohydraulic servovalves are widely used for precise motion control in aerospace and other industries due to their high accuracy and speed of response. However, commercial two-stage servovalves have several undesirable characteristics,…
View article: Feasibility study of using amplified piezo-stack actuators for the actuation of direct drive servovalves
Feasibility study of using amplified piezo-stack actuators for the actuation of direct drive servovalves Open
In this paper, we investigate the idea of using, in place of recent linear force motors, amplified piezo-stack actuators for the actuation of direct drive servovalves, in order to exploit the fast response of piezoelements accompanied by t…