All Questions
7
questions
0
votes
1
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165
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Crimp vs stainless steel intermediary for copper and nichrome connections in a heating element. Any difference in speed of heating?
I'm designing an electric furnace to melt aluminium. I'm planning to use the heating element from an electric oven.
I'm aware that the melting temp for aluminium is lower than copper BUT I don't want ...
0
votes
2
answers
320
views
thermal conductivity of a liquid cooler
I'm a high school student in a class called EDD, where we design a product and produce a prototype of said product. I have one issue though: My team bit off more than we could chew, and we have no ...
1
vote
2
answers
577
views
Calculating electromagnet – magnetism vs heat
Im making an electromagnet that will be more or less permanently turned on so I need to avoid heating problems. I have studied this a bit and came to the conclusion that:
the lower the gauge (AWG) (...
- 179
0
votes
1
answer
149
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Heat Kathal with D Cell batteries
I have Kanthal A1 26AWG (3.21 Ohms). I need to heat a small cardboard box (Tissues box) 15 degrees Celsius over the room temperature. And I am using 2 D Cell Batteries of 1.5V.
I coil the Kanthal ...
- 101
4
votes
6
answers
22k
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Hot wire cutter. Can I use copper wire
I am not from an electrical background and this might sound silly.
What I am trying to do is create a hot wire cutter to cut thermocol(Styrofoam). The sugestions from internet is to use Nichrome but I ...
- 141
2
votes
1
answer
2k
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How can I determine the resistance needed to heat a wire to a specific temperature? [duplicate]
Possible Duplicate:
How do I calculate the temperature rise in a copper conductor?
I want to have a AA battery heat up a copper wire .12mm diameter, but want it to heat up to 302°F, not any ...
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31
votes
4
answers
22k
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How do I determine the area of copper needed on a PCB to provide adequate heatsinking for a power SMD MOSFET?
I am planning to use the IRFR5305PBF Power MOSFET (http://www.irf.com/product-info/datasheets/data/irfr5305pbf.pdf) to switch on a load. I have determined that I need an external heatsink with Rthsa &...
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