Overclock.net › Forums › Industry News › Technology and Science News › [Various] Japan Nuclear Emergency - Continuous Coverage of Damage and Radiation Risks
New Posts  All Forums:Forum Nav:

[Various] Japan Nuclear Emergency - Continuous Coverage of Damage and Radiation Risks - Page 62  

post #611 of 2836
Thanks damric, I love your information. Always informative.
Close Combat
(14 items)
 
  
CPUGraphicsRAMHard Drive
Intel Core i7-960 Bloomfield 3.2GHz Asus GeForce GTX570 2 x 4GB G Skill Sniper DDR3 1 TB Seagate 7200 
Hard DriveOptical DriveOSMonitor
OCZ 128GB SSD LG Bluray Drive Windows 7 64 Bit Dell UltraSharp U2412M IPS 
KeyboardPowerCaseMouse
Razor BlackWidow Mechanical NZXT 850W Halo 90 Corsair 650D Logitec G500 
  hide details  
Close Combat
(14 items)
 
  
CPUGraphicsRAMHard Drive
Intel Core i7-960 Bloomfield 3.2GHz Asus GeForce GTX570 2 x 4GB G Skill Sniper DDR3 1 TB Seagate 7200 
Hard DriveOptical DriveOSMonitor
OCZ 128GB SSD LG Bluray Drive Windows 7 64 Bit Dell UltraSharp U2412M IPS 
KeyboardPowerCaseMouse
Razor BlackWidow Mechanical NZXT 850W Halo 90 Corsair 650D Logitec G500 
  hide details  
post #612 of 2836
Just thought I would say this..im not saying that I think its gonna blow. Not by a long shot but I was under the impression that when they use seawater it means all other forms of cooling have failed and considering its dropped from 1m of rod out if water to 3m, doesn't that mean its failing?
Haf of an 2500K
(13 items)
 
  
CPUMotherboardGraphicsRAM
I5 2500K MSI GD65 GTX 580 Windforce G Skill ECO 
Hard DriveOSKeyboardPower
64GB A-Data SSD+500GB F3 Win7 Razer Blackwidow 750W Black Edition 
CaseMouseMouse Pad
HAF 932 Razer Deathadder X-Trac Ripper 
  hide details  
Haf of an 2500K
(13 items)
 
  
CPUMotherboardGraphicsRAM
I5 2500K MSI GD65 GTX 580 Windforce G Skill ECO 
Hard DriveOSKeyboardPower
64GB A-Data SSD+500GB F3 Win7 Razer Blackwidow 750W Black Edition 
CaseMouseMouse Pad
HAF 932 Razer Deathadder X-Trac Ripper 
  hide details  
post #613 of 2836
Firstly, a big thank you to Lampen for keeping this thread rolling and up to date - excellent job sir!

Second, another thank you goes out to damric, really great info and explanations.

Now, a question...

Given the current situation, what's likely to happen next? (I ask this knowing any answer is just a shot in the dark, but still the news/media seem to have exactly 0 grasp on this situation so perhaps some info from someone more knowledgeable... damric, I'm looking at you )
Edited by SamuelL421 - 3/12/11 at 11:45pm
FT02
(28 items)
 
  
CPUMotherboardGraphicsRAM
i7 990x Gigabyte EX58-UD5 EVGA GTX 1080 Classified 24GB Gskill 
Hard DriveHard DriveHard DriveHard Drive
Kingston HyperX Predator PCIE 480GB Crucial MX100 512GB WD RE3 3TB WD Black 750GB 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1TB WD Blue 1TB Slim/slot load DVD-RW in slim drive + 4xSSD bay Prolimatech Megahalems, 2x Scythe Ultra Kaze 30... 
OSMonitorMonitorMonitor
Win 10 Pro Acer Predator XB321HK 32" 4k ASUS 24'' Acer 24" 
KeyboardPowerCaseMouse
Razer Blackwidow Chroma EVGA SuperNOVA 1000 P2 Silverstone Fortress FT02 (limited ed. #913) - ... Razer Diamondback Chroma 
AudioAudioOtherOther
ASUS Xonar DG .51 Sennheiser RS 180 USB 3.0 PCIE card #1 USB 3.0 PCIE card #2 
OtherOtherOther
SATA III PCIE card Oculus Rift CV1 HTC Vive 
  hide details  
FT02
(28 items)
 
  
CPUMotherboardGraphicsRAM
i7 990x Gigabyte EX58-UD5 EVGA GTX 1080 Classified 24GB Gskill 
Hard DriveHard DriveHard DriveHard Drive
Kingston HyperX Predator PCIE 480GB Crucial MX100 512GB WD RE3 3TB WD Black 750GB 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1TB WD Blue 1TB Slim/slot load DVD-RW in slim drive + 4xSSD bay Prolimatech Megahalems, 2x Scythe Ultra Kaze 30... 
OSMonitorMonitorMonitor
Win 10 Pro Acer Predator XB321HK 32" 4k ASUS 24'' Acer 24" 
KeyboardPowerCaseMouse
Razer Blackwidow Chroma EVGA SuperNOVA 1000 P2 Silverstone Fortress FT02 (limited ed. #913) - ... Razer Diamondback Chroma 
AudioAudioOtherOther
ASUS Xonar DG .51 Sennheiser RS 180 USB 3.0 PCIE card #1 USB 3.0 PCIE card #2 
OtherOtherOther
SATA III PCIE card Oculus Rift CV1 HTC Vive 
  hide details  
post #614 of 2836
Quote:
Originally Posted by damric View Post
Ugh, I woke up. I couldn't sleep knowing that y'all are spreading fear and panic

Again, a partial meltdown is when the alloy cladding surrounding the fuel pellets becomes compromised in the least. What typically happens is they slightly blister. Once any fission fragments get detected in the cooling water, you call it a partial meltdown.

What you need to understand is that these reactors are shut down. Chernobyl was never able to shut down because the control rods melted before they could be inserted for shutdown.

But even though it is shutdown, there is still a tremendous amount of decay heat from fission products. This decay heat does dissipate very fast, on a logarithmic scale. It's most important during the immediate days/hours after the shutdown to keep the fuel plates under water and with some coolant flow.

Explosion is not possible, not nuclear explosion at least These reactors use thermal fission fuels (typically U-235). They only absorb slow, thermal neutrons. It's not going to explode like a fast neutron chain reaction in fast fission, because U-235 cannot absorb fast neutrons. It's like a ping-pong ball bouncing colliding with a bowling ball, it just won't stick, it bounces off.

Seawater is considered last resort, because once you use it, it fouls the entire coolant system, meaning it's time to build a new reactor. Of course, once you have experienced a partial meltdown of a fuel plate, you pretty much call it done as well.
This should be put on the first page. And even though I read everything....BUT OMG IS NUKULAR AND COULD GO BOOM ANY TIME NOW! AND THEN THE RADATION WOULD SPREAD TO THE WEST COAST AND WE'D ALL GET SICK!
Karnak
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II x2 550 @ 3.7Ghz Gigabyte MA-770T-UD3P Gigabyte 6850 1GB G.Skill 4GB DDR3 @ 1333 
Hard DriveOSMonitorPower
WDC 640GB Windows 7 Ultimate 64bit Acer X223Wbd Antec 650W 
CaseMouse
Antec 300 Logitech MX Revolution 
  hide details  
Karnak
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II x2 550 @ 3.7Ghz Gigabyte MA-770T-UD3P Gigabyte 6850 1GB G.Skill 4GB DDR3 @ 1333 
Hard DriveOSMonitorPower
WDC 640GB Windows 7 Ultimate 64bit Acer X223Wbd Antec 650W 
CaseMouse
Antec 300 Logitech MX Revolution 
  hide details  
post #615 of 2836
+rep for Damric and all his helpful information.
post #616 of 2836
3930k
(20 items)
 
  
3930k
(20 items)
 
  
post #617 of 2836
LOL. "...an unrequested fission surplus". I'm still laughing at that.
Karnak
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II x2 550 @ 3.7Ghz Gigabyte MA-770T-UD3P Gigabyte 6850 1GB G.Skill 4GB DDR3 @ 1333 
Hard DriveOSMonitorPower
WDC 640GB Windows 7 Ultimate 64bit Acer X223Wbd Antec 650W 
CaseMouse
Antec 300 Logitech MX Revolution 
  hide details  
Karnak
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II x2 550 @ 3.7Ghz Gigabyte MA-770T-UD3P Gigabyte 6850 1GB G.Skill 4GB DDR3 @ 1333 
Hard DriveOSMonitorPower
WDC 640GB Windows 7 Ultimate 64bit Acer X223Wbd Antec 650W 
CaseMouse
Antec 300 Logitech MX Revolution 
  hide details  
post #618 of 2836
Like the others, I must thank you damric for giving us straight facts to dispel the excess fear surrounding the reactor(s). A lot of things can still happen at this point but definitely NOT anything as disastrous as Chernobyl.
Deep Blood
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 920 D0 (Batch # 3901A240) Foxconn X58 Blood Rage (non-GTI) eVGA GeForce GTX670 2GB 6GB Corsair Dominator 1.6GHz TR3X6G1600C8D Rev 3.2 
Hard DriveOptical DriveCoolingOS
Samsung SSD830 128GB / Seagate 640GB+1TB+2TB+4TB Samsung SH-S223Q 22X XTTH | OCZ Freeze | 9G1212H1011 Windows 7 Ultimate x64 SP1 
MonitorKeyboardPowerCase
Dell U2410f (rev. A02) Code 104 w/O-rings + Vortex doubleshot keycaps Antec HCPP-850 CaseLabs SM8 
MouseMouse PadAudioOther
Logitech G500 Sharkoon 1337 Asus Xonar DX + Swan D1080MkII08 + MXL Tempo Lifecam Cinema 
  hide details  
Deep Blood
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 920 D0 (Batch # 3901A240) Foxconn X58 Blood Rage (non-GTI) eVGA GeForce GTX670 2GB 6GB Corsair Dominator 1.6GHz TR3X6G1600C8D Rev 3.2 
Hard DriveOptical DriveCoolingOS
Samsung SSD830 128GB / Seagate 640GB+1TB+2TB+4TB Samsung SH-S223Q 22X XTTH | OCZ Freeze | 9G1212H1011 Windows 7 Ultimate x64 SP1 
MonitorKeyboardPowerCase
Dell U2410f (rev. A02) Code 104 w/O-rings + Vortex doubleshot keycaps Antec HCPP-850 CaseLabs SM8 
MouseMouse PadAudioOther
Logitech G500 Sharkoon 1337 Asus Xonar DX + Swan D1080MkII08 + MXL Tempo Lifecam Cinema 
  hide details  
post #619 of 2836
edited by damric. nevermind.
Edited by damric - 3/17/11 at 11:28am
Light Gamer #1
(12 items)
 
Light Gamer #2
(10 items)
 
 
CPUMotherboardGraphicsGraphics
i3-6100 ASRock Fatal1ty Z170 Gaming K4/D3 MSI r7850 TFIII OC MSI r7850 TFIII OC 
RAMHard DriveCoolingOS
G,Skill TridentX OCZ Vector 150 TPC-612 Windows 10 
KeyboardPowerCaseMouse
G105 Rosewill Capstone 550M HAF XB M570 
CPUMotherboardGraphicsRAM
Athlon 860K MSI A88X-G45 MSI GTX 460 G.Skill RipjawsZ 
Hard DriveCoolingOSKeyboard
PNY Optima Hyper T4 Windows 10 Devastator 2 
PowerCase
Rosewill Valens DIYPC Ranger-R4-R 
  hide details  
Light Gamer #1
(12 items)
 
Light Gamer #2
(10 items)
 
 
CPUMotherboardGraphicsGraphics
i3-6100 ASRock Fatal1ty Z170 Gaming K4/D3 MSI r7850 TFIII OC MSI r7850 TFIII OC 
RAMHard DriveCoolingOS
G,Skill TridentX OCZ Vector 150 TPC-612 Windows 10 
KeyboardPowerCaseMouse
G105 Rosewill Capstone 550M HAF XB M570 
CPUMotherboardGraphicsRAM
Athlon 860K MSI A88X-G45 MSI GTX 460 G.Skill RipjawsZ 
Hard DriveCoolingOSKeyboard
PNY Optima Hyper T4 Windows 10 Devastator 2 
PowerCase
Rosewill Valens DIYPC Ranger-R4-R 
  hide details  
post #620 of 2836
Quote:
Originally Posted by damric View Post
1) I wish the news media would stop calling the fuel plates, fuel rods. There are control rods, made of hafnium. These are fully inserted to shut down the reactor, and are adjusted by the operator to control the fission reaction during operation (shim-in, shim-out).

2) If they mean that a single control rod is sticking out because it cannot insert due to structural damage, it's not such a big deal. Several of these control rods are designed to fail and still be able to fully shut down the reactor. Once the core gets flooded with boron-tetraflouride (a fission poison), it's going to take more than a few stuck rods to bring the reactor from a subcritical state.

3) If they mean that fuel plates are exposed at all (1m or 3m makes no difference), this bad, but not awful. Those fuel plates will likely melt due to decay heat (1000F causes damage if I recall). Of course, even if they melt down entirely, and end up in the bottom of the reactor vessel, they can not fission due to negative reactivity of control rods and poison. They are going to get submerged and cool off one way or another

Thanks. Well worded response. Helped me understand it a little better
Haf of an 2500K
(13 items)
 
  
CPUMotherboardGraphicsRAM
I5 2500K MSI GD65 GTX 580 Windforce G Skill ECO 
Hard DriveOSKeyboardPower
64GB A-Data SSD+500GB F3 Win7 Razer Blackwidow 750W Black Edition 
CaseMouseMouse Pad
HAF 932 Razer Deathadder X-Trac Ripper 
  hide details  
Haf of an 2500K
(13 items)
 
  
CPUMotherboardGraphicsRAM
I5 2500K MSI GD65 GTX 580 Windforce G Skill ECO 
Hard DriveOSKeyboardPower
64GB A-Data SSD+500GB F3 Win7 Razer Blackwidow 750W Black Edition 
CaseMouseMouse Pad
HAF 932 Razer Deathadder X-Trac Ripper 
  hide details  
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Technology and Science News
This thread is locked  
Overclock.net › Forums › Industry News › Technology and Science News › [Various] Japan Nuclear Emergency - Continuous Coverage of Damage and Radiation Risks