How to pronounce the unit of heat capacity (KHU)

The pronunciation in Youdao dictionary is as follows: [ku:l] is similar to cool.

2) Thermal capacity (KHU) is an index to measure the size of specifications. The greater the heat capacity, the more heat it carries, the greater the capacity and the longer the service life.

In a certain process, the heat absorbed (or released) by the system when the temperature increases (or decreases) by 65438 0℃ is called the "heat capacity" of the system in this process. If the heat absorbed by the system from the outside is Δ q when the temperature rises Δ t in a certain process, the heat capacity of the system in this process is (see figure). The unit of system heat capacity is Joule/Newton.