Search found 196 matches: +neutrons +safety

Searched query: +neutrons +safety

by Andrew Seltzman
Mon Jul 11, 2016 3:37 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Mark3 operation 3e-4 torr / quad ion source @ -40kV, 1mA-9mA
Replies: 130
Views: 29966

Re: Mark3 operation 3e-4 torr / quad ion source @ -40kV, 1mA

Runs are kept short for safety(and thermal issues) x-ray rate at the viewport surface is 10-15mR/h through the ... enough to get good counting statistics from the BTI dosimeter, so about 2-3mR of neutrons at the surface of the fusor(~3.5" from focal point) per run. I'm usually about ...
by Richard Hull
Mon May 09, 2016 6:28 am
Forum: FAQs: Neutron - Radiation Detection
Topic: FAQ - A neutron moderator for activation/detection
Replies: 3
Views: 2216

FAQ - A neutron moderator for activation/detection

... but worked OK. This works much better. All D-D fusion produces fast neutrons which can't do much of anything for the experimenter. Valuable neutrons ... metallic object close to 45,000 volts. These insulating rods are a safety factor. You could design this to go under the fusor, leaving room ...
by Dennis P Brown
Fri Apr 22, 2016 12:24 pm
Forum: New User Chat Area
Topic: Can fusion make fission power plants more efficient?
Replies: 13
Views: 3608

Re: Can fusion make fission power plants more efficient?

... researchers routinely built mini-reactors in their labs to supply neutrons. Thank goodness that was outlawed in the late 60's.) The issue of ... too far afield. Please just PM further questions on fission/breeders/safety rather then add to this thread; that is, unless it is a directly related ...
by Austin_Bennett
Mon Apr 11, 2016 10:04 pm
Forum: Please Introduce Yourself
Topic: Hello from Canada, I'm 15
Replies: 0
Views: 788

Hello from Canada, I'm 15

... first haha Once I learned about nuclear reactions, and fusion, protons, neutrons, and all that fun stuff I was really into it. My interest in building ... doing that for almost 6 years now haha) I have researched about the safety of such apparatus's, so dont worry. Cheers guys.
by Doug Coulter
Mon Feb 22, 2016 12:10 am
Forum: Images du Jour
Topic: Greg Courville Neutron Club entry Feb 2016
Replies: 9
Views: 3394

Re: Greg Courville Neutron Club entry Feb 2016

... out of power or melt things), we see a super steep curve of increased neutrons with main HV potential. We get detectability in a nearby He3 around ... I suggest a nice pancake geiger somewhere in your setup for your own safety. When it starts counting fast even inside a box of 4" thick lead bricks...you'll ...
by Steven Sesselmann
Sat Nov 28, 2015 3:37 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: FICS II Planning and construction
Replies: 64
Views: 17900

FICS II Planning and construction

... ion source (seen on top). STAR-2 was quite successful it produced neutrons in the 2.5 x 10^5 range but it was temperamental and used to spit ... stuff others haven't done before, which is why one should impose double safety measures when treading an unknown path. FICS-1.jpg FICS-2 , is my ...
by Jim Kovalchick
Wed Aug 26, 2015 12:39 am
Forum: Images du Jour
Topic: The next Kovalchick Fusor
Replies: 8
Views: 2710

The next Kovalchick Fusor

... 6" tee. I have attached a picture to get my thread started. My goal is neutrons by the time Mike gets home for Christmas break. I am tempering my ... my project lingers on, please forgive me. I still firmly believe that safety is best enhanced by two in the lab, and my wife has volunteered to ...
by Scott Moroch
Fri Aug 14, 2015 4:32 am
Forum: Images du Jour
Topic: Star Mode and More!
Replies: 3
Views: 2468

Re: Star Mode and More!

... of days we have been primairly focused on passing inspections from the safety department and the radiation consultant. Despite the low risk of neutron emission, we had to prove that the neutrons would not pose a risk and that distance from the fusor is the best shielding. ...
by Carl Willis
Fri Jun 12, 2015 10:52 pm
Forum: Fusion --- Past, Present, and Future
Topic: Book about Taylor Wilson is out
Replies: 19
Views: 6969

Re: Book about Taylor Wilson is out

... led to think--mistakenly--that Taylor invented Cherenkov detection for neutrons (the basis of his winningest ISEF project) or that his Scotch-tape ... and helped me find plenty to read), they also drew the line on safety in a very different place from Taylor's parents and were more effectively ...
by Rich Feldman
Sun Apr 05, 2015 12:51 am
Forum: Images du Jour
Topic: IEC Fusion - Neutron Club Entry
Replies: 36
Views: 10033

Re: IEC Fusion - Neutron Club Entry

... material is expected to significantly _increase_ the count rate from neutrons, other variables being unchanged. That familiar effect has often ... us?" They are amateur and professional scientists and engineers, not safety office functionaries. They might still ask for a moderator experiment! ...