- Видео 30
- Просмотров 417 525
Matt Davis
Австралия
Добавлен 17 авг 2014
My attempt at making some fire science videos.
Why smoke is getting worse - Episode 28
While it won't make us better firefighters, the concept behind this equivalence ratio is a key concept to reducing cancers and other health effects to firefighters.
Просмотров: 2 024
Видео
Fuel Control Vs Ventilation Control - Episode 27
Просмотров 2,4 тыс.4 месяца назад
This one is an introduction into the concept of fuel control and ventilation control (aka fuel and vent limited). In all honesty this video really only scratches the surface of the subject, so it really should only be seen as an intro. There are lots of different variables that I haven't even mentioned in the video. But hopefully it can serve as a bit of an intro to the subject and even a conve...
Firefighting has Changed - Episode 26
Просмотров 1,8 тыс.7 месяцев назад
Over the last 50 years the fires that firefighters face have changed an enormous amount. With fuel rich modern synthetic fuels, light weight construction and more open plan designs the modern fireground can be very different to the fires of pervious times.
Thermal inertia and modern fuels - Episode 25
Просмотров 9098 месяцев назад
I left my camera a little too close to a fire and what happened next was science!!
Ember Attack - The Threat Beyond the Firefront
Просмотров 1,5 тыс.9 месяцев назад
Embers or Firebrands as they are also known are the main cause of building loss during bushfires. However these attacks are often eclipsed in the media for the more dramatic images of towering flames. So this episode takes a closer look at ember attack so that we can gain a better understanding of what it is, what causes it and how we can protect ourselves. Some examples of Australian Fire serv...
Thermal Imaging Cameras and Flame colour
Просмотров 1,3 тыс.Год назад
A look into why flame are they colours that they are. And just as importantly we take a look at infrared radiation and how firefighters can use it to search in fires.
Heat V's Temperature
Просмотров 1,2 тыс.Год назад
This video takes a quick look at how we can measure the heat from a fire and the difference between temperature and heat
Are Fire Tornados real?
Просмотров 1,1 тыс.Год назад
Fire whirls and fire tornados are one of the most intriguing and captivating fire behaviours that occurs on our plant. This video takes a brief look at what they are and how they work. All efforts have been made to correctly credit the original posters of all material. But if there is an error or i have missed something i will gladly provide a credit in the description.
Lightning caused bushfires - A short documentary
Просмотров 1,8 тыс.Год назад
Lighting is one of the most common sources of ignition for wildfires around the world. this video takes a look at how this occurs.
An introduction to Backdraft - Episode 19
Просмотров 13 тыс.Год назад
An introduction to Backdraft. This episode takes a brief look at how Backdraft works and the factors that influence its development. A big thank you to Jaimeyesidcastellar (instagram account) for the use of backdraft videos! They are awesome!
It weighs more if you burn it!
Просмотров 2,1 тыс.2 года назад
I am working on a few longer videos that are taking quite a bit of time to put together, So I made this today as a bit of fun. Smouldering Vs Flaming Combustion. How they type of combustion will effect how smoke and ash will accumulate and disperse. For firefighters this one is definetly a "nice to know" rather than a "need to know". Which is why the title says "slightly pointless". But if you ...
The smaller it is.. The faster it burns..
Просмотров 5 тыс.2 года назад
A short introduction to the sutface area to volume ratio and how it effects a range of topics
The Neutral Plane - Episode 16
Просмотров 13 тыс.3 года назад
An introduction to the Neutral Plane and how it works.
Flashpoint, Flame point and Autoignition - Episode 15
Просмотров 35 тыс.3 года назад
This video has a look at Flashpoint, Flamepoint and Autoignition.
Smouldering vs Flaming combustion - Episode 14
Просмотров 11 тыс.3 года назад
This video takes a look at flaming fires and smouldering fires (and the differences between them).
Bushfire types and the fuels that support them - Episode 13
Просмотров 4,4 тыс.3 года назад
Bushfire types and the fuels that support them - Episode 13
An Introduction to Bushfire - Episode 12
Просмотров 7 тыс.3 года назад
An Introduction to Bushfire - Episode 12
Try to put it out and it burns faster!! - Episode 11
Просмотров 14 тыс.4 года назад
Try to put it out and it burns faster!! - Episode 11
Smoke is worse than you think - Episode 10
Просмотров 7 тыс.4 года назад
Smoke is worse than you think - Episode 10
An Introduction to Flashover - Episode 9
Просмотров 83 тыс.4 года назад
An Introduction to Flashover - Episode 9
Episode 5 Heat Transfer: Convection, Conduction and Radiation
Просмотров 34 тыс.4 года назад
Episode 5 Heat Transfer: Convection, Conduction and Radiation
Complete combustion Vs Incomplete combustion - Episode 3
Просмотров 24 тыс.4 года назад
Complete combustion Vs Incomplete combustion - Episode 3
Pyrolysis - Turning solid fuels to smoke - Episode 2
Просмотров 46 тыс.4 года назад
Pyrolysis - Turning solid fuels to smoke - Episode 2
The Final Cave (not fire science related)
Просмотров 2866 лет назад
The Final Cave (not fire science related)
I did some research on this after watching this horror story of a flashover killing hundreds in a plane...Fire fighters stuck outside and not trained apparently. See this story from about 44 minutes... ruclips.net/video/Pgug1I5_UlU/видео.htmlsi=gK7NUuXfW0j4thmQ
This is valuable to me as an architect.
Great video again Matt ! We are working on a solution for this issue. How can we contact you to exchange ?
bro thank you for making it simple for me to get it...
As someone starting out as a volunteer firefighter these videos are invaluable! Thank you for sharing your knowledge through videos with great examples and explanations!! ☺️
Aww, you missed the BEST demo! Pouring gasoline on a magnesium fire! It puts it out! You can also do it with liquid propane. Turning a small class D fire into a BIG class B fire and then putting that out with water is insane.
great examples Matt, tks so much
Nice very informative. What is A and B
Just a few random chemicals 😉
Nothing other than Perfect!
very good warning for the FFs
thanks for sharing your experieince and desire to learn more
great explanation of backdraft. Thankfully I have not experienced it. Flashover, or just as the fire is licking through the overhead, yes.
thanks Matt, great explanation of pyrolysis!
This gym music is so distracting and redundant
Hi thanks for the feedback. This was my first try at making a video so some mistakes were made (I still make mistakes, I just generally make different ones now 😆). My more recent videos have less of the music.
Just checking in on how you’re going. This was a heavy topic and I’ve thought of it often since you posted this video.
I’m good thanks. I think I find all of this more interesting than having it weigh on me. Kind of a “the more we know the safer we are” outlook 🙂 but thank you for checking in! That’s very kind of you.
Do firefighters rather work in a ventilated circumstance than in an underventilated circumstance in the light of toxic smoke?
I’d say that there are lots of different ways that firefighters would prefer to run their jobs. But whatever their preference, it still must be based in reality and reflect the fire behaviour. If not the tactics just won’t work. For example ventilating a vent controlled fire without the coordination of suppression and things will likely get worse not better..
THANKS So much for this!!!!! I swear you have helped solidify and relearn all the concepts I thought I had a grasp on a whole lot more. I teach oil and Gas industry Fire Fighting and your videos basically teach my courses. Cannot thank you enough
You’re welcome. It’s great to hear the videos are helpful! 👍🏽
Thank you for your videos. They are very informative. When i joined the RFS in December, they were a great help in understanding fire behaviour. Thank you 😊
Glad you like them!
That was great ❤
Matt, i would absolutely love a long and technical version of this video. Im presently undertaking my village firefighter qualification with NSW RFS and all of the technical background information is fascinating to me
I just passed mine 2 months ago. Good course👌
so how we deal with
Hi there, while I’m happy talking about fire behaviour on the internet. I’m not a big fan of providing actual tactical advice. There’s a few reasons why, but essentially I feel it’s not my place to hand out advice on something that can be so variable. After all, there is always more than one way of fighting a fire. But I will give you my preferred way (which really is just my opinion and nothing more) Which is to introduce water into the room to reduce heat and dilute the smoke with stream. But at the same time exclude as much air as possible with good door control techniques. If successful you’ll see changes in the smokes colour, density and buoyancy. If not successfully least you’ll still have control of the door and be able to protect yourself. This is definitely something your organisation should have training for. And the information is out there from much more official sources than me if need be 🙂
Thank you for sharing this in such a great explanation.
I thought this was cool since this is probably what it would look like if we could watch the bolt fall into a black hole. Never falling in just redshifting away.
Well that’s a cool thought. I had definitely not made that connection. But I’m glad you did, cheers!
In my opinion, they shouldn't break the window which will introduce a large amount of oxygen. But the firefighters in the video did it as a kind of standard procedure. I'm quite confused.
They're likely in America, where in a lot of places it is standard procedure to ventilate a structure
The parade of equations in the Principle of Fire Behaviour really drove me crazy in the last month. It's much more relaxing to watch your video than the textbook.
Haha well that’s always nice to hear. But remember I’m just a firefighter, not someone smart enough to write text books. So if I contradict them at all or get anything wrong, believe them and not me 😅
It's really cool
Amazing video! Thank you so much mate!
14:45 You said polyurethane foam is a hydrocarbon but its made up of more than just hydrogen and carbon. Which by definition (I'm still learning) means its not a hydrocarbon right?
Actually yes! 👍🏽 I believe I should have said “organic compound”. Nice pick up!
Matt I think a load of us would benefit from a video on reading smoke...
You've got an admirable attitude, a great role model. Keep posting videos please!
Sounds like a risky job and situations. I've heard about that effect. It's like knowing with another learning curve
I thought big fire tornados only existed in comics or video games.
Time 0:20, I almost spit my water at that. Well done and very informative.
I thought the little camera would suffer 😂 0:09
I think this is why smoke alarms don't care about small to medium sized alcohol fires. Your countertop becoming a wall of flame because someone got a bit enthusiastic with the isopropyl isn't gonna make the smoke alarm mad because that flame is bright green and oxidizer rich and produces very little soot.
Great video again Matt
Thanks!!
Hey mate, love watching your videos I'm a Fire Engineer, Not a fire fighter but I learn so much from your easy to understand presentations, it all goes to help understand elements of fire, thanks for sharing. The bit about ingesting or being subject to the products of Fire makes me draw similarities with Asbestos. No one considered these things back in the day when there was limited information. A bit off piste there, but hey, not dissimilar. Thanks again.
Hey mate, It’s great to hear that they are useful to you. It’s an interesting comparison with Asbestos, and that still hasn’t gone away. All the legacy Asbestos that was never removed still causes issues. I guess like anything we are only able to act on the information that is available to us at the time and do our best to always keep learning 🙂
I’m not a firefighter… I’m never gonna be a firefight. I have an english paper due in a few hours. Why am I here????
I didn't know steel wool could be burn before I saw this video.
@MattDavis5 These are excellent videos you put out! I am a fire investigator / fire scientist in the United States and will actually be teaching a three-day class on this very topic next week. Keep up the good work and I'd love to see your take on the more advanced topics broken down into smaller sub sections. As you mentioned, the more complicated the topic, the longer the video, and you don't want an hour long video I'd imagine. lol ... Were these burn tests some that you were involved with? Would you mind if I used some of the video from the burn cells in a portion of my class? They're good examples of fire growth, especially the second cell that shows the fire spread by radiation/pyrolysis to the couch nearby. And the students always love to see more fire! Cheers to you man, keep up the great work!
Thanks! And yes unfortunately the longer the video gets the less of it gets viewed generally. But I am planning on doing a video on a slightly more technical concept next. And yes feel free to use the footage for your training. I filmed them while assisting in some live burns. Handy bits of footage really 🙂
@@MattDavis5 That footage is fantastic, don't sell yourself short! I'll be directing the students to check out your channel and all of the good information you have here!
Your video is a great help for people like me who is study by themself. Because the textbook is often quite confusing. The definition of flashpoints in Principles of Fire Behavior, Second Edition is 'At piloted ignition, the surface concentration needs only to achieve the LFL. At this concentration, the corresponding surface temperature is called the flashpoint (T_FP). ' A fuel at LFL concentration could be in a range of temperatures. This was why I was bemused before I watched this video
Did anyone mention that you look like Jason Statham when you wear a baseball cap？
Haha no that is definitely a new one
Great video! Ready for more technical info when you are!
Good to know!! 😃🔥
A question about Herschel’ experiment. As we know light contains more energy as the lightwave declines. But why the thermometer in the range of infrared zone recorded the highest temperature? 1:45
Yeah that had me scratching my head when I made this video too. I looked into in at the time and I think I found the answer. But this isn’t an area I’m really good with, so take it with a grain of salt. But from memory the reason why the blue light has less energy is because of the solar radiation spectrum and how the light travels through our atmosphere. In simple terms our sun emits energy across a spectrum and then some of it is absorbed in our atmosphere. This leaves more energy in the red and infrared part of the spectrum than the blue once the light reaches sea level, and the energy difference is a result of there being more red light available than blue light rather than their actual energies. I was going to include a whole section on this in the video. But it’s really not an area that I’m confident in speaking about. Hope that helps.
This is awesome 👌 would love to hear more. How could I get in contact with you? Wondering if you can help me understand what's happening during a process at my workplace? Please thank you 😊
Thanks! This comment section is as good a place as any! 🙂 Also if I don’t know the answer someone else might be able to help out 🙂👍🏽
Ok.... combustion in a multi chamber crematorium.
This illustration makes alot of sense, but I'm sometimes getting incomplete combustion.
When I open a door and I getting a backdraft or a flash over? Sometimes I can hear her take a breath in just before flames come out the door.
great video sir. more power and God Bless!
Thanks! Glad you liked it!
Very insighful, we are being trained (in uk) to only vent and use gas cooling when its too hot to enter. Otherwise starve and contain, although this is alot easier when dealing with mainly brick buildings...
That sounds interesting! So do you use smoke stopper blankets or just door control to help starve the fire on entry?
@@MattDavis5 Yeah we call them smoke curtains we throw them on entrances and exits. Its drilled into us to close every door we come across, and for members of public to close every door at night or when spotting fire.
Yeah cool. How have you found it using the curtains? I like the idea of them, but haven’t had the chance to use them at a real fire. And we are much the same with closing the doors. Both for our firefighters and for our public awareness campaigns 👍🏽
@@MattDavis5 Quite useful, seconds to put up, prevents as much air going in instead of leaving door wide open because of the lines/hoses going in. Can sometimes flap about a bit in high winds though 😅. Apparently they are kinda cheap so would definitely recommend for every department, adds another tool to the belt.
Great video. I'd love to see the technical more in-depth videos! I'm a mechanical technician and am also one of my shifts fire fighters and BA wearers. While the company do provide a high level of training to us all, a lot of this information gets lost when you only use it once in a blue moon. I enjoy watching your videos to try and remain at least a little bit educated, and as safe as I can be. Also watching as I have kids at home Thank you ❤️🙏✌️
Thanks!! I’m glad you like it! And yes it can be a real challenge to maintain training and stay consistent sometimes. So nice work being proactive 😀👊🏽 Also I’ll be making a follow up video with one of the key concepts next. It was just easier to seperate it into another video 🙂
@@MattDavis5 thank you, thank you ever so much for your work! Anyone with any interest in fire safety will gain SO much from your episodes! Not just those in industry, but normal people at home can get a lot out of these videos. Cheers, you're information sharing is life saving 🙏🙏🙏
PS my autocorrect has a mind of it's own 🤣
i've been waiting for your video to be updated for almost a year! great to watch your video again!
Thanks! And Sorry!! 😆 It takes me a while to make them sometimes! I have no idea how some people can post every week!! 😀
I'm living in China now. The concentration of PM2.5 and PM10 in the air is often beyond the range of measurement.
That’s not ideal! Unfortunately you are not alone. There are plenty of places around the world facing air quality issues. Make sure you look after yourself 🙂