Wednesday, August 29, 2018
Can cold water be so warm?
Came in from walking in delightfully COLD air. Started the laundry, then rinsed out the kitchen sink with allegedly "cold" water. As I was pushing the food toward the drain, I noticed that the sink felt HOT. Wrong handle? Nope, definitely using the "cold" faucet. The faucet also felt hot, and the water felt hot. Got out my digital thermometer, sure enough the sink was 80, the faucet was 78, and the water itself was 78.
The air in the house is 68, and the outside air is 55. What's going on here? Can the pipes be that hot after two weeks of relatively not-too-hot weather?
Remembered that I'd used a USGS soil temp and moisture website before, in the permafrost winter. Found it again.
Yup. 27 Centigrade is 80 real degrees.
The reading was several weeks ago in a rural spot, but it's likely that urban water pipes, running mainly under asphalt streets, are still plenty warm.
I hadn't noticed the warmness until I came in from chilly air and felt the DELTA on my hands.
Yup. 27 Centigrade is 80 real degrees.
The reading was several weeks ago in a rural spot, but it's likely that urban water pipes, running mainly under asphalt streets, are still plenty warm.
I hadn't noticed the warmness until I came in from chilly air and felt the DELTA on my hands.
Labels: Metrology
¶ 7:10 AM
