About the International Workshop on Combustion and Propulsion (IWCP)
The International Workshop on Combustion and Propulsion (IWCP) is a recurring scientific conference that represents one of the most prestigious forums in the field of energetic materials, combustion physics, and rocket propulsion technologies. This distinguished workshop series was initiated in 1990 by the Space Propulsion Laboratory (SPLab) of Politecnico di Milano, Italy, during a pivotal moment in world history when scientific collaboration between Eastern and Western researchers was just beginning to flourish after decades of separation during the Cold War era.
Purpose and Mission: The IWCP series was created with the fundamental purpose of bringing together scientists and engineers to share research findings and foster collaboration in the fields of combustion and propulsion. The workshop was established with a visionary goal to bridge the gap between researchers from different parts of the world, particularly those from the former East and West blocs, fostering international collaboration in combustion and rocket propulsion research. Italy's strategic geographic position between major space technology centers has made it an ideal location for facilitating communication channels between American, Russian, European, and scientists from other continents.
Historical Background and Significance
The inaugural IWCP took place in Milan in 1990, focusing on the theme "Transient Combustion and Stability of Solid Propellants." This first workshop marked a historic milestone as it represented one of the first high-level scientific gatherings between United States and Russian scientists on topics like solid rocket propulsion, something that had been nearly impossible during the Cold War period. The workshop represented not just a scientific achievement but also a diplomatic triumph, demonstrating that science can transcend political boundaries and unite researchers in pursuit of common knowledge.
Over the past three and a half decades, the IWCP has evolved into a cornerstone event for the international combustion and propulsion community. Each workshop has contributed significantly to advancing global understanding of energetic material combustion, rocket propulsion technologies, and related fields. The outcomes of these workshops have been meticulously compiled into comprehensive proceedings, published reports, and special journal issues that serve as valuable resources for researchers, engineers, and students worldwide.
Workshop Format and Philosophy
The IWCP distinguishes itself from conventional conferences through its unique format that prioritizes open technical discussions and in-depth exchanges over formal presentations alone. The workshop philosophy emphasizes quality of interaction rather than quantity of participants. Attendance is deliberately limited to invited experts who have demonstrated significant expertise in their fields or who bring novel ideas that can advance the state of the art in combustion and propulsion research.
The workshop format typically includes plenary lectures delivered by internationally recognized leaders in the field, followed by extensive discussion sessions that encourage active audience participation. Round table discussions are organized around specific technical challenges, with panels of experts leading collaborative discussions on emerging topics. This intimate setting creates an atmosphere conducive to the kind of deep technical discussions that often lead to new research collaborations and breakthrough insights.
Another distinctive feature of the IWCP is its commitment to minimizing costs to promote inclusivity and maximize social interaction among participants. The organizers believe that informal discussions during coffee breaks, meals, and social events are often as valuable as formal technical sessions, as they allow researchers to form personal connections that can lead to long-term collaborative relationships.
Typical Workshop Structure
Each IWCP workshop is carefully structured to maximize both formal and informal scientific exchange. The technical program typically spans three to four days and includes multiple components designed to facilitate different types of scientific discourse. Plenary lectures provide comprehensive overviews of major research areas, delivered by recognized international experts who present the state of the art and future directions in their fields. These lectures set the stage for deeper discussions throughout the workshop.
Roundtable discussions represent a particularly valuable component of the IWCP format. These sessions bring together panels of experts to address specific challenges and opportunities in combustion and propulsion research. Recent workshops have featured roundtables on topics such as the application of artificial intelligence and machine learning to energetic materials design, metal combustion for propulsion applications, and the development of insensitive energetic materials with improved safety characteristics. Each roundtable is chaired by a leading researcher and includes a carefully selected panel of experts representing different perspectives and approaches to the topic.
Oral presentations by participants provide opportunities for researchers to share their latest findings and receive feedback from the international community. These presentations are selected through a peer-review process based on submitted abstracts. Poster presentations complement the oral sessions, allowing for more detailed discussions of specific research projects in a more informal setting. The workshop also includes social programs that often feature guided tours of the local region, providing additional opportunities for networking and cultural exchange.
Recent IWCP Workshop
15th IWCP (2025)
Theme: Advanced Design, Additive Manufacturing, and Characterization of Modern Energetic Materials
Dates: July 6-9, 2025
Location: Aurum Conference Center, Pescara, Italy
Organizers: Prof. Luigi DeLuca (Politecnico di Milano) and Prof. Dr. Ruth M. Doherty
Scientific Focus Areas
Throughout its history, the IWCP has covered a broad spectrum of topics within combustion and propulsion sciences. The workshop provides a platform for researchers and professionals to share insights on the latest innovations and discuss cutting-edge developments in the field. The themes have evolved to reflect emerging technologies and scientific priorities. Key areas of focus include transient combustion and stability of solid propellants, mathematical methods in combustion modeling, combustion of advanced energetic materials, development and characterization of micro- and nano-sized advanced energetic materials for propulsion and energetic applications, chemical rocket propulsion systems, advanced manufacturing technologies including additive manufacturing, diagnostic techniques for combustion studies, and computational modeling approaches. Research presented at IWCP encompasses experimental measurements, theoretical modeling, numerical simulations of combustion processes, as well as development of novel propellant formulations, high energy density materials, and nanoenergetic systems.
Past Workshop Themes and Milestones
1st IWCP (1990, Milan, Italy): "Transient Combustion and Stability of Solid Propellants" - The historic inaugural workshop that initiated East-West scientific collaboration in propulsion research.
8th IWCP (2002, Pozzuoli, Naples, Italy): "Rocket Propulsion: Present and Future" - This workshop marked a strategic shift toward broader coverage of propulsion technologies beyond just combustion fundamentals.
9th IWCP (2004, Lerici, La Spezia, Italy): Featured sessions on novel formulations and ingredients, nanotechnology for energetic materials, and thermophysical and ballistic properties. The meeting was dedicated to the memory of Dr. Bo Stokes, highlighting the workshop's commitment to honoring pioneers in the field.
10th IWCP (2003, Lerici, La Spezia, Italy): "In-Space Propulsion" - Focused on propulsion technologies for space exploration, including chemical, electric, and nuclear propulsion systems, as well as futuristic propulsion concepts.
12th IWCP: "New Energetic Materials" - Results from this workshop were published in the comprehensive book "Chemical Rocket Propulsion: A Comprehensive Survey of Energetic Materials" by Springer, demonstrating the high-quality peer-reviewed research presented at IWCP.
14th IWCP (2024, Pescara, Italy): The 14th International Workshop on Combustion and Propulsion was held at the Aurum Conference Center (Largo Gardone Riviera, Pescara) from July 28-31, 2024. The event's theme was "Micro- and Nano-Sized Advanced Energetic Materials for Propulsion and Energetic Applications." This workshop explored innovative nanoscale and microscale energetic materials ingredients and formulations, providing a comprehensive survey of advanced technology on preparation, characterization, combustion, and performance in potential applications for propellants and explosives. The workshop featured three distinguished plenary lectures: "Smart Energetic Materials" by Prof. RuiQi Shen (Nanjing University of Science and Technology, China), "Combustion of Metals for Power Generation on Earth and Beyond" by Prof. Evgeny Shafirovich (University of Texas at El Paso, USA), and "Impact Sensitivity of Cyclic Nitramines" by Prof. Svatopluk Zeman (Pardubice University, Czech Republic). Three roundtable discussions addressed cutting-edge topics including the application of artificial intelligence and machine learning to novel energetic materials, metal combustion for propulsion applications, and insensitive energetic materials. The workshop brought together major stakeholders in rocket propulsion research and provided a platform for researchers and professionals to share and discuss the most recent achievements of leading research groups active in the international scene.
15th IWCP (2025, Pescara, Italy): "Advanced Design, Additive Manufacturing, and Characterization of Modern Energetic Materials" - Continued the tradition of addressing the most current challenges and opportunities in the field, with emphasis on modern manufacturing techniques and advanced characterization methods.
Publication Record and Scientific Impact
The IWCP maintains rigorous standards for publication of workshop contributions. Selected papers undergo a comprehensive peer review process involving multiple anonymous international experts, following procedures comparable to those employed by leading archival journals. All accepted papers receive DOI (Digital Object Identifier) references, ensuring their permanent accessibility and citability in the scientific literature.
The workshop proceedings are not merely collections of conference papers but rather carefully curated volumes that serve as advanced supplemental reading for graduate students, researchers, and professionals in academia and industry. Notable publication milestones include special issues in prestigious journals such as the AIAA Journal of Propulsion and Power, which published a special issue (Volume 15, Number 6, November-December 1999) dedicated to work presented at IWCP and edited by prominent researchers including L.T. DeLuca, R.S. Brown, and B.V. Novozhilov.
Space Propulsion Laboratory (SPLab) - The Founding Institution
The Space Propulsion Laboratory (SPLab) of Politecnico di Milano stands as the founding and organizing institution behind the IWCP workshop series. This laboratory represents one of Italy's premier research centers in the field of rocket propulsion and energetic materials, with a distinguished history spanning nearly five decades of scientific excellence.
Foundation and Historical Development: The SPLab was founded in 1976 by Professor Luigi De Luca, who established the Propulsion Group to support research and education activity in the field of solid propulsion for space applications. The laboratory has undergone several relocations throughout its history, each reflecting its growth and evolution. Initially located in Peschiera Borromeo, close to Milan, in a center of CNR (Italian National Research Council), the lab was moved in 1991 to Campus Leonardo, the historical campus of Politecnico di Milano, where it was renamed Laboratorio di Termofisica (Laboratory of Thermophysics). In 2000, according to the new strategy pursued by the University, it was moved to Campus Bovisa in the former industrial area of Milan, its current location. The name was changed to Solid Propulsion Laboratory, and later, following the extension of activities to hybrid rocket propulsion and other in-space propulsion systems, took its final denomination of Space Propulsion Laboratory.
Scientific Research Focus
The scientific activity of SPLab has been predominantly devoted to fundamental combustion problems of solid-phase energetic materials, approached from both experimental and theoretical viewpoints. The laboratory's research encompasses a comprehensive range of topics with specific attention to steady burning rates and temperature profiles, radiant ignition, static and dynamic extinction, non-steady burning, linear and nonlinear intrinsic stability, radiation assisted and augmented burning, deflagration limits, frequency response functions, and transient flame modelling.
In more recent years, the research interest has expanded to include combustion of innovative high-energy condensed materials, nano-energetics for propulsion, performance evaluation of metallized formulations, studies of aggregation and agglomeration phenomena, dual metal formulations, quasi-steady regression rates, and the development of solid and hybrid rocket motors. The laboratory also conducts research on space launchers and in-space propulsion systems, positioning itself at the cutting edge of modern space propulsion technology.
Mission and Vision
The mission of the Space Propulsion Laboratory remains consistent with its founding purpose established in 1976: to support research and education in the field of solid rocket propellants for space propulsion applications. This enduring commitment reflects the laboratory's dedication to advancing fundamental knowledge while training the next generation of propulsion engineers and scientists.
The laboratory's vision extends beyond traditional propulsion research to embrace sustainability and environmental responsibility. SPLab aims to support the development of clean and sustainable space missions for future generations. The research team believes that new end-to-end thermochemical propulsion approaches can represent the starting point for the reduction of both costs and environmental impact associated with space exploration and utilization.
International Collaboration
SPLab maintains an active participation in scientific and educational programs at both national and international levels. The laboratory has established main cooperations with leading universities and scientific centers in Russia, the United States, and European countries involved in aerospace science and technology. This extensive network of international partnerships reflects the laboratory's commitment to global scientific collaboration and its role as a bridge between different research communities worldwide.
For more information about the Space Propulsion Laboratory and its current research activities, visit their official website at splab.polimi.it.
International Scientific Community and Collaboration
The IWCP has attracted participation from leading researchers, scientists, and engineers from major space agencies, research institutions, and universities around the world. Past participants have included experts from organizations such as NASA, the European Space Agency, Russian space research centers, AIAA (American Institute of Aeronautics and Astronautics), and numerous universities from the United States, Russia, Europe, Asia, and other regions.
The workshop has been instrumental in facilitating numerous international research collaborations, joint projects, and student exchanges. The relationships formed at IWCP workshops have led to multinational research grants, collaborative publications, and technology transfer initiatives that have advanced both fundamental understanding and practical applications in combustion and propulsion.
Workshop Organization and Governance
Each IWCP workshop is guided by two key committees that ensure the scientific quality and international character of the event. The International Advisory Committee (IAC) consists of distinguished researchers from major institutions around the world who provide strategic guidance and ensure that the workshop addresses the most important current challenges in combustion and propulsion research. Recent advisory committees have included members from institutions such as Fraunhofer Institut für Chemische Technologie (Germany), Japan Aerospace Exploration Agency (Japan), Saint-Petersburg State Institute of Technology (Russia), Ludwig-Maximilian University of Munich (Germany), Kazakh National University (Kazakhstan), University of Texas at El Paso (USA), Nanjing University of Science and Technology (China), Mendeleev University of Chemical Technology (Russia), Beijing Institute of Technology (China), Institute of Chemical Kinetics and Combustion (Russia), and Pardubice University (Czech Republic).
The International Organizing Committee (IOC) handles the practical aspects of workshop organization and program development. This committee brings together experts from industry, government laboratories, and academic institutions across multiple continents. Members represent diverse organizations including Avio (Italy), German Aerospace Center (Germany), University of Edinburgh (UK), Military Technical College (Egypt), Konkuk University (South Korea), Lukasiewicz Research Network (Poland), Hindustan Institute of Technology and Science (India), Xi'an Modern Chemistry Research Institute (China), Ecole Militaire Polytechnique (Algeria), Tomsk State University (Russia), Defense Research Agency FOI (Sweden), Northwestern Polytechnical University (China), and Nanjing University of Science and Technology (China). This geographical and institutional diversity ensures that the workshop addresses the needs and interests of the global combustion and propulsion research community.
Future Directions and Emerging Topics
As the field of combustion and propulsion continues to evolve, the IWCP remains at the forefront of addressing emerging challenges and opportunities. The workshop series has demonstrated remarkable adaptability in identifying and exploring new research frontiers that promise to transform the field in the coming decades.
One of the most exciting developments in recent years has been the integration of artificial intelligence and machine learning techniques into energetic materials research. Modern computational approaches are revolutionizing the way researchers design, predict, and optimize the properties of propellants and energetic materials. Machine learning algorithms can analyze vast databases of experimental results to identify patterns and relationships that would be impossible to discern through traditional analysis methods. These techniques enable researchers to predict the performance characteristics of new propellant formulations before they are synthesized, potentially accelerating the discovery of materials with enhanced performance, improved safety, or reduced environmental impact. The 14th IWCP featured a dedicated roundtable discussion on the application of artificial intelligence and machine learning to novel energetic materials, reflecting the growing importance of these computational tools in the field.
The development of green propellants with reduced environmental impact represents another critical area of future research. Traditional rocket propellants often rely on compounds that can have significant environmental and health impacts. The search for alternatives that maintain high performance while minimizing toxicity and environmental persistence is driving innovation across the field. This includes investigation of bio-derived energetic materials, development of halogen-free propellant formulations, and exploration of propellant compositions based on more environmentally benign oxidizers and fuels.
Advanced manufacturing techniques, particularly three-dimensional printing and other additive manufacturing approaches, are opening new possibilities for propellant grain design and rocket motor fabrication. These technologies enable the creation of complex internal geometries that would be impossible or prohibitively expensive to produce using traditional manufacturing methods. Additive manufacturing also facilitates rapid prototyping and testing of new designs, potentially shortening the development cycle for new propulsion systems. The ability to print propellant grains with spatially varying compositions or embedded sensors represents a particularly promising frontier that could enable unprecedented levels of performance optimization and real-time monitoring.
Nanoscale energetic materials continue to attract significant research interest due to their unique properties and potential applications. The synthesis and characterization of nano-sized and micro-sized energetic materials offer opportunities to enhance combustion characteristics, improve energy release rates, and reduce sensitivity to accidental initiation. Understanding the combustion mechanisms of these materials at the nanoscale, their aggregation behavior, and their integration into practical propellant formulations remains an active area of investigation that promises to yield new capabilities for both propulsion and energetic applications.
The workshop continues its tradition of bringing together leading experts in combustion and propulsion research to tackle the challenges facing the next generation of space exploration, defense applications, and commercial aerospace ventures. The IWCP remains committed to its founding mission of fostering international scientific collaboration and advancing knowledge for the benefit of humanity, while adapting its focus to address the most pressing needs and opportunities in the ever-evolving landscape of combustion and propulsion technology.
Contact Information
For information about the International Workshop on Combustion and Propulsion, including details about future workshops, abstract submission procedures, and participation opportunities, interested parties are encouraged to contact the organizing institution or the IWCP information contact.
IWCP Information Contact:
E-Mail: iwcp.wcrc@gmail.com
Space Propulsion Laboratory (SPLab):
Politecnico di Milano
Department of Aerospace Science and Technology
Campus Bovisa, Milan, Italy
Website: splab.polimi.it
Organizing Institution:
Politecnico di Milano
Milan, Italy
Website: www.polimi.it