Energy use for heating is about half of the world's energy demand and 40% of global CO2 emissions. Currently, most of the world's heating comes from fossil fuels and traditional biomass. Modern renewable heat consumption supplies only slightly over 10% of the world's heat, and it is not increasing fast enough to keep up with global decarbonisation targets.
In this video, we take a rooftop tour of a photovoltaic thermal technology, Sunovate, that cools down solar panels to make them more efficient, and uses that heat for heating buildings or industrial processes.
Check out the Just Have a Think Video on this same technology here:
https://youtu.be/Ow0BHlSZg5MBookmarks:
0:00 Intro
0:34 Why renewable heat matters
1:55 Start of the roof tour
2:13 Glen’s solar panel configuration
3:01 How Photovoltaic Thermal systems work
3:37 How high temperatures affect solar panels
4:24 How do PVT systems cool solar panels
5:57 Why does Sunovate use air as the cooling medium instead of water?
6:49 How much improvement does the Sunovate system provide?
8:16 Seasonal mismatch for Photovoltaic Thermal systems
9:15 Opportunities for the development and adoption of PVT systems
10:13 Rosie’s opinions on renewable heating progress
11:33 The option of electrification to solve renewable heating
12:52 Annual solar availability and seasonal storage systems
14:06 Just Have a Think’s video on Photovoltaic Thermal
14:30 Outro
Sources:
Sunovate -
https://www.sunovate.com.auIRENA Renewable Energy Policies in a Time of Transition -
https://www.irena.org/publications/2020/Nov/Renewable-energy-policies-in-a-time-of-transition-Heating-and-coolingIEA Renewable Heat -
https://www.iea.org/reports/renewables-2021/renewable-heat?mode=heat®ion=World&publication=2021The Effect of Temperature on Photovoltaic Cell Efficiency -
https://research.iaun.ac.ir/pd/jjfesharakiold/pdfs/PaperC_4124.pdfIf you would like to help develop the Engineering with Rosie channel, you could consider joining the Patreon community, where there is a chat community (and Patreon-only Discord server) about topics covered in the videos and suggestions for future videos and production quality improvements.
https://www.patreon.com/engineeringwithrosieAbout the Site 🌐
This site provides links to random videos hosted at YouTube, with the emphasis on random. 🎥
Origins of the Idea 🌱
The original idea for this site stemmed from the need to benchmark the popularity of a video against the general population of YouTube videos. 🧠
Challenges Faced 🤔
Obtaining a large sample of videos was crucial for accurate ranking, but YouTube lacks a direct method to gather random video IDs.
Even searching for random strings on YouTube doesn't yield truly random results, complicating the process further. 🔍
Creating Truly Random Links 🛠️
The YouTube API offers additional functions enabling the discovery of more random videos. Through inventive techniques and a touch of space-time manipulation, we've achieved a process yielding nearly 100% random links to YouTube videos.
About YouTube 📺
YouTube, an American video-sharing website based in San Bruno, California, offers a diverse range of user-generated and corporate media content. 🌟
Content and Users 🎵
Users can upload, view, rate, share, and comment on videos, with content spanning video clips, music videos, live streams, and more.
While most content is uploaded by individuals, media corporations like CBS and the BBC also contribute. Unregistered users can watch videos, while registered users enjoy additional privileges such as uploading unlimited videos and adding comments.
Monetization and Impact 🤑
YouTube and creators earn revenue through Google AdSense, with most videos free to view. Premium channels and subscription services like YouTube Music and YouTube Premium offer ad-free streaming.
As of February 2017, over 400 hours of content were uploaded to YouTube every minute, with the site ranking as the second-most popular globally. By May 2019, this figure exceeded 500 hours per minute. 📈
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