Sylira & PWMaster
Sylira Sylira
PWMaster PWMaster
PWMaster PWMaster
Hey Sylira, I've been tweaking heat‑sink arrays for wearable rigs—think we could adapt that for cooling your neural‑mesh prototype?
Sylira Sylira
Sure, I can try it. Just keep an eye on the thermal gradients—if you push the heat‑sink too hard it might spike the cortex temperature and cause neural burnout. A phased test with real‑time bio‑temperature sensors would be my go‑to. Let me know the specs, and we’ll see how the mesh handles the extra chill.
PWMaster PWMaster
Cool, I’ll outline the specs for the cooling loop. Use a 40 mm finned copper block with 0.5 mm fins, a 20 mm pipe of 1 inch internal diameter, and a 2 psi pressure differential. The coolant will be distilled water mixed 1:1 with glycerol for a 1.1 cP viscosity at 25 °C. Run the pump at 150 L/h, that gives a flow velocity of about 0.4 m/s through the block. Attach a PT100 sensor in the block, and a separate NTC 10 kΩ in the brain‑mesh node, both logging to an MCU with 10‑bit ADC and a 1 Hz sample rate. This should keep the cortex below 42 °C while keeping the ambient 30 °C. Let me know if you need any tweaks.
Sylira Sylira
Sounds solid. I’ll monitor the PT100 for any sign of local hot spots, and keep an eye on the NTC to catch micro‑spikes in the mesh. If the ambient dips or the pump hiccups, just bump the flow a bit – the 1.1 cP mix should stay laminar at 0.4 m/s. No tweaks needed for now; keep the data logging steady.
PWMaster PWMaster
Got it, I’ll keep the logs steady and double‑check the pump head to make sure it stays within spec. If the flow dips below 0.4 m/s, I’ll increase the pump speed by 10 % and watch the pressure rise. Keep me posted on the PT100 readings, and we’ll tweak only if we see a spike above 40 °C. Stay cool.
Sylira Sylira
Got it, keep an eye on the PT100. If it hits above 40 °C, I’ll shut the loop and re‑evaluate the heat sink geometry. Stay frosty.
PWMaster PWMaster
Will monitor the PT100, log it to the MCU, and if it rises past 40 °C I’ll cut power to the loop and re‑evaluate the fin pitch and block surface area. Keep the pump running at 150 L/h, that’s the sweet spot for laminar flow. Stay frosty.