Simulation & Digital Engineering to Accelerate the Hydrogen Energy Transition

Mike_Yeager

We are facing unprecedented climate risks today, and nations strive to meet stringent climate goals and mitigate environmental impact. The energy industry is on a quest for cleaner, more sustainable fuel sources. Reducing/eliminating Carbon Dioxide and other greenhouse gas emissions from the atmosphere or the urgency of decarbonization has become a global imperative. A temperature of 1.2°C higher than the pre-industry level was recorded in 2020, and projections show an increase of 3°- 5°C by 2100. The leading cause of this is greenhouse gas emissions, especially CO2. To evade disastrous environmental impacts (Paris Agreement signed by 195 nations), it is essential to restrict global warming to below 2°C by 2100. This can become a reality only via a decarbonized energy ecosystem by 2050, and it involves renewable energy, biofuels, electric vehicles, and hydrogen energy. Hydrogen is a key solution and a favorable alternative to fossil fuels. Many countries have already adopted hydrogen strategies as part of their long-term energy planning; however, to fully capitalize on this potential, the industry requires innovative approaches to manage the innate complexities of hydrogen production, storage, and distribution at scale.

Current Landscape, Challenges, and Potential

Hydrogen ensures zero emissions at the point of use, high energy density (on mass basis), and adaptability through all industries. The National Green Hydrogen Mission of India has set aspiring goals to produce 5 million metric tons of green hydrogen annually by 2030, lessen imports, and support industrial use. A successful transition would fulfill energy demand and position India as a global leader in hydrogen. Nevertheless, challenges continue, from production and storage to transportation and end-use combined with the requirement for large-scale investment, regulation, and technology readiness.

A key challenge to scaling hydrogen as a fuel is the inadequacy of current production processes. Approaches like Steam Methane Reforming (SMR) and electrolysis are promising but have some challenges. Methane is transformed into hydrogen and carbon dioxide through a high-energy reaction in SMR. Although SMR is still the most widespread production method, its carbon footprint and energy loss requires further innovation. Simulation offers insights into optimizing SMR processes, such as understanding reaction parameters, equipment designs, improve carbon absorption during carbon capture process.

Simulation offers a way to improve processes, test scenarios, and safeguard the resilience of hydrogen infrastructure before implementing it in the physical world. It helps accelerate the transition while addressing safety and cost worries.

The Future of Hydrogen Energy with Advanced Technological Solutions

Simulation and digital engineering advances are shaping a future where hydrogen is integral to sustainable energy. Technological solutions, especially simulation, play a vital role in addressing hydrogen’s challenges, enhancing efficiency, and reducing risk. Simulation facilitates R&D that is cost-effective, reorganizes processes, and allows extensive safety analyses before implementation. This fast-tracks deployment across industries. With the evolution of production methods like electrolysis and SMR, simulation models can boost these processes and increase yield and efficiency while cutting carbon emissions.

Engineers can design for improvements, enhance operating conditions, and forecast equipment maintenance needs using simulation. This means that downtime and maintenance costs can be cut to support cost-effective hydrogen production at scale.

Simulation facilitates engineers to explore many virtual scenarios and test everything from production methods to storage and transport technologies. It also drastically reduces the cost and time needed for real-world prototyping.

Simulation across the Hydrogen Value Chain

Spanning from production to utilization, simulation has applications through the hydrogen value chain:

Production: From electrolysis and biomass conversion, to maximize efficiency and minimize waste, simulation helps optimize the production processes. Hydrogen production comprises complex processes like SMR or electrolysis, each with distinctive challenges. Using simulation, researchers can refine these methods such as optimizing electrolysis efficiency or testing carbon capture in SMR. The simulation also helps decide whether it makes sense to repurpose existing infrastructure or to build a newer, more efficient setup.

Storage and Transportation: Most hydrogen is stored in high-pressure gas forms and transported over short distances. This requires considerable compression, but the infrastructure often isn’t suitable for hydrogen, leading to energy losses and safety risks. Engineers use simulation to model hydrogen storage solutions, testing materials, and containment methods that improve safety and reduce leakage risks. Engineers can use simulation to optimize storage spaces, reduce cost per kilogram for hydrogen transport, and minimize energy losses. Simulating storage tank design and pipeline configurations allows energy companies to improve safety and efficiency, mainly when using existing natural gas infrastructure. Regarding long-distance distribution, simulation is beneficial for comprehending material behavior and heat loss in storage and transit. Hydrogen transport involves an energy-intensive and costly process – cryogenic cooling or compressing hydrogen into liquid form. With simulation, engineers can analyze structural and thermal stresses in pipelines, tanks, and other transport equipment, guaranteeing they can handle extreme conditions while minimizing energy losses and safety risks. Thus, simulations are essential in addressing safety and durability, including tank design, leak prevention, and energy density improvements for the storage and transport of hydrogen.

End-Use Applications: For hydrogen to reach its potential as a mainstream fuel, it must be deployable in mobile and stationary applications. Hydrogen fuel cells have many technical challenges, including balancing internal electrochemical reactions. Fuel starvation, excessive moisture, and dehydration can considerably reduce fuel cells’ efficiency and lifespan. Simulation ensures optimal performance, safety, and compliance with regulatory standards in fuel cells and other hydrogen-powered systems. By examining polarization curves (the relationship between voltage and operating current density), engineers can predict fuel cell performance across a range of conditions. Simulation also helps detect and lessen thermal and mechanical stresses, thus ensuring fuel cells’ long-term efficiency and reliability.

In gas turbines and internal combustion engines, that is for applications with combustion, simulation helps in managing combustion stability. Hydrogen, though clean-burning, needs precise control to avoid nitrogen oxide emissions and prevent flame instability. Simulation optimizes combustion processes to minimize noise and emissions and helps engineers manage these thermoacoustic properties.

By testing virtual designs under real-world conditions, developers can guarantee reliable performance in transportation, industry, and power generation applications.

Economic and Environmental Benefits of Simulation in Hydrogen Energy

Simulation has many economic advantages, significantly lowering R&D costs by curtailing physical prototyping. Simulation quickens development timelines, reduces costs, and cuts the risk of costly failures.

Simulation also helps design more efficient processes and has many environmental benefits as it allows for precise design and process optimization. This cuts emissions and resource use usually associated with traditional R&D cycles, making hydrogen a green alternative. By enhancing hydrogen production, storage, and utilization, simulation ensures better cost-efficiency and supports sustainability through reduced waste and resource consumption.

Leading the Hydrogen Energy Transition

A changeover to hydrogen necessitates an ecosystem-wide commitment. Simulation provides the much-needed tools needed to overcome technical barriers, manage costs, and ensure the safety and efficacy of hydrogen technologies.  The time has come for stakeholders across industries to collaborate and lead this hydrogen energy transition.  Governments, enterprises, and educational and research institutions must showcase and promote simulation and digital engineering as core elements in their hydrogen strategies. A hydrogen-powered future can become a reality only through nonstop innovation, cooperation, and strategic investment.Top of Form