Log in
Register
Search
Search titles only
By:
Search titles only
By:
Forums
New posts
Forum list
Search forums
Leaderboards
Games
Our Blog
Blogs
New entries
New comments
Blog list
Search blogs
Credits
Transactions
Shop
Blessings: ✟0.00
Tickets
Open new ticket
Watched
Donate
Log in
Register
Search
Search titles only
By:
Search titles only
By:
More options
Toggle width
Share this page
Share this page
Share
Reddit
Pinterest
Tumblr
WhatsApp
Email
Share
Link
Menu
Install the app
Install
Forums
Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Australian electric battery-swap truck company JANUS is going to SMASH Tesla-Semi!
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Trogdor the Burninator" data-source="post: 77047994" data-attributes="member: 88620"><p>I think you're conflating a couple of issues here. So-called natural gas needs an odour because it's heavier than air and therefore tends to pool in areas when there's a leak and displace the air. On the other hand Hydrogen leaks almost always disperse to the atmosphere unless they occur in a fairly enclosed environment, meaning it's far less of a safety issue.</p><p></p><p>In addition, when you burn natural gas you get CO as a by-product which is dangerous, whereas burning hydrogen produces water. Again, far less of a safety issue.</p><p></p><p>As for colour when burning - hydrogen is hard to see. However that issue isn't confined to hydrogen. Superheated steam used in many industrial plants has no colour or odour either. And in an automotive setting, the flame would be confined. If hydrogen is leaking to the atmosphere, it won't be burning for more than a second or two.</p><p></p><p>As for the example of a bus explosion(?) with CNG or propane - yes, gas can have safety issues just as petrol does. However, just about the entire Australian taxi fleet has been running LPG since the 1970s until recently (they've now gone hybrid) and many cities have been running large CNG bus fleets for over 20 years (now being replaced by electric buses) and there's been no issue with the safety record compared to petrol or diesel there.</p></blockquote><p></p>
[QUOTE="Trogdor the Burninator, post: 77047994, member: 88620"] I think you're conflating a couple of issues here. So-called natural gas needs an odour because it's heavier than air and therefore tends to pool in areas when there's a leak and displace the air. On the other hand Hydrogen leaks almost always disperse to the atmosphere unless they occur in a fairly enclosed environment, meaning it's far less of a safety issue. In addition, when you burn natural gas you get CO as a by-product which is dangerous, whereas burning hydrogen produces water. Again, far less of a safety issue. As for colour when burning - hydrogen is hard to see. However that issue isn't confined to hydrogen. Superheated steam used in many industrial plants has no colour or odour either. And in an automotive setting, the flame would be confined. If hydrogen is leaking to the atmosphere, it won't be burning for more than a second or two. As for the example of a bus explosion(?) with CNG or propane - yes, gas can have safety issues just as petrol does. However, just about the entire Australian taxi fleet has been running LPG since the 1970s until recently (they've now gone hybrid) and many cities have been running large CNG bus fleets for over 20 years (now being replaced by electric buses) and there's been no issue with the safety record compared to petrol or diesel there. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Discussion and Debate
Discussion and Debate
Physical & Life Sciences
Australian electric battery-swap truck company JANUS is going to SMASH Tesla-Semi!
Top
Bottom