Thermocouple Temperature Measurements in Metalized Explosive Fireballs

Problems Encountered in Fluctuating Flame Temperature Measurements by Thermocouple

Some thermocouple experiments were carried out in order to obtain sensitivity of thermocouple readings to fluctuations in flames and to determine if the average thermocouple reading was representative of the local volume temperature for fluctuating flames. The thermocouples considered were an exposed junction thermocouple and a fully sheathed thermocouple with comparable time constants. Either ...

Direct thermocouple measurements of temperature rise and heat conduction in the rabbit retina.

For a given burn, a greater dose was required to raise the temperature to the same level tuhen the spectral distribution of the source included both the visible and the near infrared. Temperature rises compatible with steam production have not been obtained even for very intense burns. In cases of retinal explosion the temperature rose above 40° C, which when added to the body temperature gave ...

Thermocouple Dynamic Errors Correction for Instantaneous Temperature Measurements in Induction Heating

Abstrac t The most commonly used thermometer to measure high temperatures in metallurgy is the thermocouple, but because of its long response time it can be used mainly for measuring time-averaged temperatures. Research on steel wire patenting using inductive heating required instantaneous temperature values. Pyrometers or thermographic cameras could be used, however they are generally expensiv...

An Approach to Thermocouple Measurements That Reduces Uncertainties in High-Temperature Environments

Obtaining accurate temperature measurements with thermocouples in flame environments is challenging due to the effects of radiative heat losses, as these losses are difficult to quantify. Efforts to minimize radiative losses by, for example, suction pyrometry often result in a significant sacrifice in spatial resolution. In this work, a new experimental methodology is presented that both minimi...

An Approach to Thermocouple Temperature Measurements that Reduces Uncertainties Associated with Radiative Corrections