Fire Science Show

Wojciech Wegrzynski
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  • 物理
  • 每星期更新

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

  1. 250 - Communicating fire science with construction professionals

    1日前

    250 - Communicating fire science with construction professionals

    A fire strategy can be technically correct, but if the team building the building never truly understands it - goals and objectives may be missed. For the 250th Fire Science Show, we slow down and talk about the craft of communicating fire science to construction professionals so that the intent survives real projects, real deadlines, and real handovers.  This episode is an extended version of my talk I gave recently at the IAFSS Research Sub-Committee Workshop, which we have organised with Felix Wiesner, and I had a chance to talk along my friends - prof. Guillermo Rein, Birgitte Messerschmidt and dr Steve Kerber. In this episode, we share why the biggest failures are rarely tiny compliance misses. The scary failures come from misread strategy, missing execution on site, and teams optimizing for the wrong target because we explained the “what” but not the “why.” From smoke zoning misunderstandings to the way product labels and ratings get interpreted, we unpack how simple miscommunication can create life-threatening conditions even when everyone is working hard. Then we offer a practical framework built around three ideas: context, timeliness, and the way we speak. Context means understanding the building ecosystem: code and local planning, sustainability and energy efficiency, LEED or BREEAM certification pressures, business model realities, and aesthetics. Timeliness means matching our message to the building lifecycle, keeping high-level objectives clear early on, translating them into technical concepts during design, and only then driving into the technical detailing that makes compartmentation, egress, smoke control, and structural fire safety real. Finally, we get honest about what works: simple anchors like ASAT versus RSAT, consequence-focused language, and respectful collaboration, plus what breaks trust fast: jargon, paper-style writing, megawatt talk, and false certainty around “60 minutes” ratings. Some other podcast recommendations after this one: https://www.firescienceshow.com/136-fire-fundamentals-pt-6-the-fire-automation-in-a-building/ what happens in a building during a fire?https://www.firescienceshow.com/246-fire-fundamentals-pt-20-fire-resistance-criteria-with-piotr-turkowski/ a wider view on the fire resistancehttps://www.firescienceshow.com/199-commercial-timber-guidebook-with-danny-hopkin-and-luis-gonzalez-avila/ commercial timber guidebook which is an example of excellent communication of fire safety concepts.---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    52 分鐘
  2. 249 - PBD of a large car park with EVs (Case study) with Jonathan Hodges, Mark McKinnon and Christian Rippe

    4月29日

    249 - PBD of a large car park with EVs (Case study) with Jonathan Hodges, Mark McKinnon and Christian Rippe

    From the SFPE Performance Based Design Conference in Singapore, we sit down with Jonathan Hodges and Mark McKinnon (UL Research Institutes) and Christian Rippe (Jensen Hughes) moments after their case study presentation to break down a modern parking garage fire engineering workflow with a huge does of performance based and probabilistic approaches. We talk about what changes when today’s vehicle fleet makes multi-vehicle fire spread more plausible, and why picking a single car fire curve can quietly bake bias into an entire performance-based design. The team shares how they use real incident data, vehicle size distributions, ignition location categories, and percentile-based heat release rate curves to build design fires that are transparent and defensible. We also dig into EV charging as an initiating mode, what the data can and cannot support, and how a “gap analysis” mindset helps practitioners avoid false precision. Then we get into the risk machinery: scenario binning, frequencies, sprinkler reliability assumptions, and how CFD (FDS) fits when you cannot simulate 100,000 possibilities. Finally, we go structural with concrete spalling, thermal finite element modeling in Abaqus, and a scripted workflow that iteratively removes damaged concrete to understand how exposure evolves during long-duration multi-vehicle fires. For this episode, there is a ton of resources. From Jonathan: Reference for first design fire paper: https://doi.org/10.1016/j.firesaf.2024.104145Reference for second design fire paper: https://doi.org/10.1016/j.firesaf.2026.104721Reference for database paper: https://doi.org/10.1007/s10694-025-01701-5Reference for number of parking garages: https://doi.org/10.1016/j.firesaf.2022.103565Reference for ULRI vehicle fire data: https://doi.org/10.1016/j.dib.2026.112471Reference for ULRI material database: https://materials.fsri.org/Reference for NERIS: http://neris.fsri.org/Reference for NFPA Vehicles data: https://www.nfpa.org/education-and-research/research/nfpa-research/fire-statistical-reports/vehicle-firesAnd two from myself: Outcomes of the massive fire with spalling in Warsaw https://doi.org/10.1016/j.firesaf.2025.104352Open sided car park report by OFR https://www.gov.uk/government/publications/fire-safety-open-sided-car-parks/real-fires-open-sided-car-park-fire-resistance-introduction-and-conclusion   ---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    1 小時
  3. 248 - JRC update on Fire Safety Engineering in Europe with Francesca Sciarretta

    4月22日

    248 - JRC update on Fire Safety Engineering in Europe with Francesca Sciarretta

    Fire safety in Europe is shaped in a challenging ecosystem - each member country owns its fire safety rules, yet the construction market, standards, and technical language are increasingly shared. I’m joined by Francesca Sciarretta, Scientific Project Officer at the European Commission’s Joint Research Centre (JRC), to explain how the JRC supports EU decision-making with independent research and why that “science behind the policy” matters for every practicing fire safety engineer. We unpack what the latest JRC work says about performance-based fire safety engineering in Europe and why prescriptive design still dominates. Francesca walks through how the same country can look “performance-based” to engineers but “not allowed” to regulators, depending on how approval pathways, deviation procedures, and legal wording work. We also talk about where performance-based methods show up most often, from smoke control and structural fire engineering to compartmentation, and why complex assets like high-rise buildings, airport terminals, and underground infrastructure frequently demand engineering judgment. From there, we connect fire safety to the sustainable construction ecosystem: the Construction Products Regulation (CPR), the recast Energy Performance of Buildings Directive (EPBD), major renovations, and the reality that low-carbon innovation must not introduce hidden fire risk. The conversation then turns to the real engine of progress: education, training, qualification frameworks, and liability. If we expect engineers to define scenarios, design fires, safety criteria, and take responsibility, we need credible pathways to competence and continuous professional development across borders. You can find the new JRC report here. Information about the FIEP platform: https://efectis.com/en/fire-information-exchange-platform-fiep-2/ ---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    1 小時 4 分鐘
  4. 247 - Calculation methods for fire resistance with Piotr Turkowski

    4月15日

    247 - Calculation methods for fire resistance with Piotr Turkowski

    You don’t always need a furnace to end up with a fire resistance rating, but you do need to understand what kind of “proof” you’re actually creating. I’m joined again by Dr. Piotr Turkowski from ITB to unpack calculation methods for fire resistance and the real-world chain from engineering assumptions to a Declaration of Performance. We talk about when standards and European Assessment Documents (EADs) explicitly allow Eurocode-based assessment, and how different methods will lead you to your resulting class in a different way. We spend a lot of time on the practical heart of structural fire engineering: concrete and steel. For reinforced concrete (Eurocode 2, EN 1992-1-2), we compare tabulated data, simplified calculation approaches like the zone method, and advanced global modeling that starts to look more like performance-based fire safety engineering than classification. For steel (Eurocode 3, EN 1993-1-2), we break down critical temperature, utilization, section factor, and what you can realistically expect from unprotected members under the standard fire curve. Then we get into the more challenging  part that tables or  simplified  methods can’t completely capture: fire protection materials. Sprayed mortars, boards, and intumescent coatings change properties with temperature, moisture, and expansion, and their performance can hinge on stickability, cracking, and detachment during large deflections. Finally, Piotr shares a strong caution on masonry, where tabulated data can be dangerously optimistic for some concrete hollow blocks, and we close with a look at what machine learning might someday add to fire resistance prediction. Here is a link to the paper about Masonry: https://www.sciencedirect.com/science/article/abs/pii/S0379711226000512 ITB and Piotr have international courses on fire resistance and fire testing - keep an eye out on them! ---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    1 小時 1 分鐘
  5. 246 - Fire Fundamentals pt. 20 - Fire Resistance Criteria with Piotr Turkowski

    4月8日

    246 - Fire Fundamentals pt. 20 - Fire Resistance Criteria with Piotr Turkowski

    In this episode of fire fundamentals with the ITB fire resistance expert Piotr Turkowski we break down what a fire resistance rating criteria, and what the letters behind ratings like “REI 60” exactly stand for. We use lab experience to explain where the standards are clear, where they are oddly traditional, and where comparisons between products can mislead.  • ISO definition of fire resistance as an ability over time  • What R E I W and M mean in fire resistance classification  • Load bearing capacity as deformation and collapse criteria  • How test loads are applied and why load choice matters  • Integrity E as flames and openings rather than smoke tightness  • Cotton pad test and why it blurs integrity versus insulation  • Insulation I temperature rise limits and prescribed thermocouple points  • Radiation W as a heat flux limit and when it matters  • Mechanical impact M and the wrecking ball style verification  • Why fire resistance time does not add up across layers  • Furnace minutes, strict thresholds, and unknown test uncertainty  If you liked this podcast episode, you will definietely enjoy: https://www.firescienceshow.com/070-fire-resistance-is-whatever-you-want-it-to-be-with-piotr-turkowski/ our previous conversation with Piotr about general fire resistance paradigmhttps://www.firescienceshow.com/010-seeking-the-origins-of-standardized-fire-testing-and-ancient-fire-protection-materials-with-john-gales/ another take on the origins of fire resistance ---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    1 小時 2 分鐘
  6. 245 - FDS input file ASMR in forest

    4月1日

    245 - FDS input file ASMR in forest

    plume_rise_1.fds from the FDS Validation Guide (by NIST) &HEAD CHID='plume_rise_1',  TITLE='Test plume rise height in stable atmosphere' / &MESH IJK=50,52,50, XB=-50.,50.,-52.,52.,0.,100., MULT_ID='mesh1' / &MULT ID='mesh1', DZ=100., K_UPPER=1 / &MESH IJK=50,52,50, XB= 50.,250.,-104.,104.,0.,200., MULT_ID='mesh2' / &MULT ID='mesh2', DZ=200., K_UPPER=1 / &MESH IJK=50,50,50, XB=250.,650.,-200.,200.,0.,400., MULT_ID='mesh3' / &MULT ID='mesh3', DX=400., DZ=400., I_UPPER=3, K_UPPER=1 / &TIME T_END=900. / &MISC TMPA=20.36 / &WIND SPEED=5., LAPSE_RATE=-0.0048 / &SPEC ID='SULFUR DIOXIDE' / &VENT MB='XMIN', SURF_ID='OPEN' / &VENT MB='XMAX', SURF_ID='OPEN' / &VENT MB='YMIN', SURF_ID='OPEN' / &VENT MB='YMAX', SURF_ID='OPEN' / &VENT MB='ZMAX', SURF_ID='OPEN' / &PART ID='TRACERS', MASSLESS=.TRUE., SAMPLING_FACTOR=1 / &SURF ID='TOP', TMP_FRONT=200., MASS_FLUX(1)=0.01563, SPEC_ID(1)='SULFUR DIOXIDE', MASS_FLUX(2)=18.85, SPEC_ID(2)='AIR', COLOR='BLACK', PART_ID='TRACERS' / &OBST XB=-2.0,2.0,-2.0,2.0, 0,75, SURF_IDS='TOP','INERT','INERT' / &SLCF PBY=0, QUANTITY='VELOCITY', VECTOR=.TRUE. / &SLCF PBY=0, QUANTITY='TEMPERATURE' / &SLCF PBY=0, QUANTITY='DENSITY' / &SLCF PBY=0, QUANTITY='MASS FRACTION', SPEC_ID='SULFUR DIOXIDE' / &DEVC ID='z_CL', QUANTITY='MASS FRACTION', SPEC_ID='SULFUR DIOXIDE', XB=1800,1850,-200,200,0,800, SPATIAL_STATISTIC='MAXLOC Z' / &TAIL / Thank you NIST for providing an endless source of ASMR scripts on your github here: https://github.com/firemodels/fds/tree/master/Validation I recommend everyone to go through this rich resource. ---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    9 分鐘
  7. 244 - Decision making in large-scale evacuations with Erica Kuligowski

    3月25日

    244 - Decision making in large-scale evacuations with Erica Kuligowski

    When one takes a decision to evacuate and starts moving, this is not the end of their decision-making process.  Which route to take? Who to contact? How to arrange a place of shelter? Where to go first? Have I forgotten anything?  I previously discussed the decision-making with Erica Kuligowski from RMIT, and today we're meeting again to follow up on decision-making for large-scale evacuations. We focus on choices and uncertainties that make many of the evacuees take additional trips, and those trips become background traffic that interferes with your escape. In this episode, we dive deep into the decision making in this stage, the sources of data, and hypothesise how this knowledge could be used in practice. And of course, Erica being one of the leaders of the Human Behaviour in Fire community gives us a high level overview how this part of science looks like, and what is currently being researched. The HBiF conference we mentioned in the episode can be found here: https://humanbehaviourinfires.se/ ---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    1 小時 6 分鐘
  8. 243 - 20 Informal Settlement Fire Experiments with Sam Stevens

    3月18日

    243 - 20 Informal Settlement Fire Experiments with Sam Stevens

    A fire in an informal settlement is not just another small building fire. It can be the first domino in a fast-moving neighborhood event, and the little details like the wall material, roof material, door location, even a light breeze, can decide what happens next. I’m joined by Dr. Sam Stevens from Kindling to unpack a massive FSRI funded experimental program carried out in South Africa that burned twenty different informal and humanitarian shelter types to measure real heat flux, flame extension, and fire spread potential.  We start repeating the uncomfortable gap: humanitarian guidance often relies on rules of thumb like a universal separation distance and vague advice to “use fire-resistant materials,” with little experimental evidence behind it. Sam explains how Kindling built a global database of shelter designs and materials, then narrowed it down to common typologies spanning sheet metal, mud, timber, bamboo mats, split bamboo, thatch, and tarpaulin tents. We dig into the field-scale test setup, why wood cribs were chosen, and how external instrumentation like thin skin calorimeters helps quantify the heat transfer that drives structure-to-structure ignition.  Then we get into what the burns actually show. Non-combustible shelters often behave like classic compartment fires where openings dominate, but even modest wind can push flames meters outward. Add combustible walls or roofs and the hazard shifts dramatically: some materials produce short, intense exposure windows while others sustain burning long enough to threaten neighbors at greater distances. The fully thatched shelter stands out for extreme radiant heat and duration, and our discussion on tarpaulin tents reveals why common fire test methods can produce reassuring ratings that still miss real-world behavior.  If you care about informal settlement fire safety, humanitarian shelter design, fire engineering guidance, or modeling large outdoor fires in dense communities, this conversation gives you a data-driven foundation and a clear sense of what questions still need answering.  Learn more about the project and watch their educational videos here: https://kindlingsafety.org/projects/large-scale-fire-experiments-for-humanitarian-shelters/ ---- The Fire Science Show is produced by the Fire Science Media in collaboration with OFR Consultants. Thank you to the podcast sponsor for their continuous support towards our mission.

    1 小時 12 分鐘
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關於

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

資料

  • 創作者
    Wojciech Wegrzynski
  • 活躍年份
    2021年 - 2026年
  • 單集
    259
  • 分級
    兒童適宜
  • 版權
    © 2026 Fire Science Show
  • 節目網站
    Fire Science Show

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