Air Conditioning, Heating & Refrigeration News

Troubleshooting the Heat Pump Defrost Cycle: A Step-By-Step Guide

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.
IEEE

Test and Analysis of Laboratory-Scale D-Shaped Co-Wound No-Insulation HTS Single Pancake Coil for TF Coil Application

Abstract: No-insulation (NI) high temperature superconductor (HTS) toroidal field (TF) coil or its variations have been regarded as potential options for a compact, high magnetic field tokamak due to ...

This portable jump starter resurrected my car in the middle of a snowstorm - now it's a must for me

I tried the Topdon JS3000 out of the box, but the real test came six months later when I had to dig it out again.
IEEE

Report on Over 25 000 Cycles Fatigue Test Results of a REBCO HTS Coil and Crossover Joint in a 7 T Background Magnetic Field at 4.2 K

Abstract: This study presents experimental results on the fatigue characteristics of a REBCO coil and crossover joint, aiming to determine whether they can withstand cyclic loading up to the condition ...