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Fire Science Show is connecting fire researchers and practitioners with a society of fire engineers, firefighters, architects, designers and all others, who are genuinely interested in creating a fire-safe future. Through interviews with a diverse group of experts, we present the history of our field as well as the most novel advancements. We hope the Fire Science Show becomes your weekly source of fire science knowledge and entertainment. Produced in partnership with the Diamond Sponsor of the show - OFR Consultants
224 Episodes
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What happens when we stick a thermocouple into a fire? The answer is surprisingly complex and has profound implications for fire safety engineering. In this deep-dive episode, Dr. David Morrisset from Queensland University joins Wojciech to unravel the science of fire measurements that underpins every experiment, test report, and dataset in our field. The conversation reveals a critical truth often overlooked by practitioners: measurements don't capture reality directly - they capture the in...
The devastating 2018 Camp Fire in Paradise, California serves as a haunting reminder of how rapidly wildfires can overwhelm communities. We have not known anything like it - the flames raced through Paradise at four miles per hour, 30,000 residents had mere minutes to evacuate, and many couldn't escape in time. What happens when the fire goes worse than worst case scenario, but still people need to escape? How do we protect lives when escape routes are blocked by fire or gridlocked traffic? ...
The world looks entirely different through a thermal camera lens, especially in a fire scenario. These devices reveal harsh temperature gradients between hot and cold surfaces, adding another dimension to how fire safety professionals understand and navigate dangerous environments. Thermal cameras have transformed firefighting operations with astonishing effectiveness. Studies show that in smoke-filled buildings, thermal cameras have significantly improved the changes to identify victims. Th...
The AI revolution has arrived, but fire safety engineers face a critical dilemma: how to leverage powerful AI tools while protecting confidential project data. Professor Ruggiero Rino Lovreglio from Massey University and Dr. Amir Rafe from Utah State University join us to explore the world of local Large Language Models (LLMs) - AI systems you can run privately on your own computer without sending sensitive information to the cloud. While cloud-based AI like ChatGPT raises serious priva...
When experts from different disciplines attempt to collaborate on complex problems, such as evacuation modelling, we often discover that we're not speaking the same language. Even seemingly simple terms like "density," "velocity," and "distance" carry dramatically different meanings across physics, psychology, engineering, and computer science. In this episode, we present the "Glossary for Research on Human Crowd Dynamics," a remarkable community effort that brought together over 60 research...
In episode 17 of the Fire Fundamentals, we delve into the fire detection technology. Fire detection forms the critical foundation of all active fire protection measures, serving as the prerequisite for any fire safety engineering solution to work effectively. Following key points are discussed: Detection systems must balance sensitivity with reliability to avoid false alarms that disrupt building operationsFalse alarms lead to serious business continuity issues and may eventually cause system...
In the 16th part of the Fire Fundamentals series, we invite Randy McDermott from NIST to join us for a deep dive into turbulence and its critical role in fire dynamics modelling. We explore the physics behind turbulent combustion and how it fundamentally shapes fire behaviour, plume dynamics, and simulation accuracy. In this episode we cover: Defining turbulence as the enhancement of mixing and heat transfer through the creation of eddies and instabilitiesUnderstanding length scales in turb...
In this podcast episode, I invited Chris Jelenewicz, the CEO of SFPE, to bring me up to date on the society. The SFPE Handbook on Fire Protection Engineering is undergoing a major revision with the sixth edition expected by summer's end, expanding to five volumes with significant new content on emerging topics like wildland fires and lithium-ion batteries. In this episode, we cover how the handbook is written, edited and when it will be released to the public. Some highlights from the episo...
Water might seem like the simplest part of firefighting – just point and spray, right? Well, as you can imagine, the reality is a bit more complex. In this conversation with veteran firefighter and CFBT instructor Szymon Kokot, we pull back the curtain on firefighting's most critical resource to reveal the intricate science and logistics behind effective fire suppression. Did you know a standard fire truck carries just 10 minutes' worth of water for a typical residential fire? Or that a wate...
As a consequence of the Grenfell Tower disaster, some strong legislation was proposed, such as a combustible ban on building walls. This, however, affected more than just the building facades, as it excluded materials such as laminated glass used as balcony balustrades. Today, the path forward demands evidence that could inform decisions on the future of laminated glass in this use. In this conversation with Mike Spearpoint and Konstantinos Chotzoglou from OFR Consultants, we dive deep ...
Today I'm taking you for a sightseeing trip to see what fire safety looks like beyond our usual office, residential buildings and car parks. Fire engineering takes on an entirely different dimension when applied to massive infrastructure projects where conventional building codes provide minimal guidance and engineers must forge their own path. Dr. Mukesh Tomar from Jacobs takes us deep into the world of "non-real estate fire engineering" – the complex realm of cable tunnels stretching dozen...
Dr Randy McDermott takes us behind the scenes of fire science's most critical software tool in this conversation about the Fire Dynamic Simulator (FDS) developed at NIST. As one of the developers, Randy offers valuable insights into how this essential modelling tool is maintained, improved, and adapted to meet the evolving challenges of the fire safety community. The conversation begins with a look at the development process itself, based on a greater picture roadmap and also addressing prac...
Four years ago, what began as a mission to preserve valuable fire safety engineering conversations has grown into a fairly large platform connecting professionals across 170+ countries. The journey to 200 episodes and nearly 200,000 downloads has been both challenging and deeply rewarding – in this episode, I share a bit about my journey, the state of things and the near future of the podcast. *** Important notice: at the end of the show notes is a survey, and I would be thrilled if you...
I've finally done it. We've repeated Jin's experiment! I thought I knew-it-all about that experiment, but boy... knowing and doing it are two different things. I can say, I've finally cleared my mind on some thoughts after this, which I am finally happy to share with all of you! First things first, massive thanks to my partner in crime Wai-Kit Wilson Cheung, from the group of prof. Xinyan Huang, who was the man on the ground doing the experiments with me. Together we went further into this mo...
The gap between fire safety engineering and firefighting operations creates a profound challenge that affects building safety worldwide. Even experienced fire safety engineers - myself included - face uncertainty when designing for firefighters without being firefighters themselves. Yet many building codes explicitly require engineers to account for firefighting operations in their designs. This examination dives into the timeline analysis essential for effective firefighter support, from no...
What happens when a lifetime of studying industrial fire hazards meets the creative mind of a novelist? In this conversation with Professor Joaquim Casal, we explore the unique intersection of fire safety engineering and science fiction through his novel "The Last Fire." Professor Casal, a retired academic from Universitat Politécnica Catalunya and founder of their fire research group, has crafted something unique – a novel where the protagonists are fire researchers and the plot revol...
Episode 200! And for this special episode, I've travelled to London to interview Prof. Guillermo Rein and Dr Matt Bonner on a piece of research carried out at Imperial College London, with the experiments performed in our laboratory at the ITB. In this episode, we discuss the concept of flammability of the building facades and how this flammability is assessed with different testing methods available in the world. You could argue that every country has their own method, and in some case...
We know a whole lot more about mass timber in fire than we did a few years ago (even when I’ve just started the podcast 199 episodes back …). But is this knowledge widely used in engineering practice? Is it used in the same way by different stakeholders? Definitely not. This is why to move timber into something we would consider “new normal”, we need more than research. We need a consensus on how to apply the outcomes of our research in practice. And this is this podcast episode. Built by Nat...
The devastating impact of waste and recycling industry fires costs approximately $2.5 billion annually in the US and Canada alone, with lithium-ion batteries causing roughly 50% of these incidents. In this episode with Ryan Fogelman from Fire Rover, we discuss: • Understanding the scale of waste facility fires and why traditional fire protection methods often fail in these environments • How lithium-ion batteries have created a "hockey stick" rise in fire incidents since 2015 • The "vape effe...
When wildfire threatens neighbourhoods with closely-spaced homes, what determines whether flames leap from one structure to the next? The FSRI research team - Rebekah Schrader, Joseph Willi, Daniel Gorham and Gavin Horn - joins us to unveil their experimental series that methodically dissects the pathways through which fire spreads between buildings. The team walks us through their massive outdoor experimental setup, where they created controlled compartment fires and measured their impact o...
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