Add Measured Efficiency of an Induction Hob and An Electric Kettle Heating Water

Measured-Efficiency-of-an-Induction-Hob-and-An-Electric-Kettle-Heating-Water.md

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+<br>This article stories my empirical measurements to estimate the effectivity of a portable induction hob and  [Alpha Heater product page](https://chachamortors.com/bbs/board.php?bo_table=free&wr_id=6075762) of an electric kettle heating water to a temperature under boiling point. A identified quantity of water was heated for 100 seconds and its temperature change was measured. The electrical power consumed was measured using a plug-in power meter. The figure for electrical power is an estimate of the common, because neither the induction hob nor the kettle consumed exactly constant energy. The power studying for the kettle was 2.142 kW close to the start of heating and  [Alpha Heater product page](http://jinos.com/bbs/board.php?bo_table=free&wr_id=4702518) had fallen to 2.122 kW after about 70 seconds. Normally it declined slightly as heating proceeded. Power readings for the induction hob were from 2.032 kW to 2.042 kW. Table 2 shows values calculated from these measurements, together with the overall efficiency. The heat energy within the water was calculated using 4.18 kJ/kg as the particular heat of water. The electrical power was calculated by multiplying the ability studying from the power meter by the time the facility was utilized (one hundred seconds).<br>
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+<br>Both the kettle and the induction hob stood unused for  [Alpha Heater product page](https://wiki.drawnet.net/index.php?title=Usu%C3%A1rio:HowardGoninan) hours earlier than they have been used for this experimental heating. The induction [buy alpha heater](https://chessdatabase.science/wiki/Portable_Heater_Safety) was used on its highest energy setting, a nominal 2000 watts. In each cases after a hundred seconds, the power was switched off. In the case of the kettle, the water was then left for a further 30 seconds to absorb extra heat from the kettle's base. In both instances, after this heating interval the water was poured shortly right into a vacuum flask, sealed and shaken. In the case of the saucepan, a plastic funnel was used to allow quicker pouring into the flask. The flask was then re-opened to make the measurement of the water's last uniform temperature. Temperature was measured with a K-sort thermocouple. The calculated efficiency, that means the proportion of electrical power used that was converted to heat in the water, was approximately 84% for  [Alpha Heater product page](https://www.yogizogi.kr/bbs/board.php?bo_table=free&wr_id=1572241) the electric kettle and roughly 79% for the portable induction hob with the enamel pan.<br>
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+<br>Both these figures could also be under-estimates as a result of no allowance has been made for heat loss that occurs in transferring the water to the flask or to the thermal capacity of the flask. In fact there are additionally many other potential sources of inaccuracy including the scales used to weigh the water, the thermometer and  [Alpha Heater product page](http://sefkorea.com/bbs/board.php?bo_table=free&wr_id=1488549) the electrical energy meter. No attempt has been made to quantify these right here. Also it may be doable to get more heat from the kettle by leaving the water for a unique size of time after turning the heating ingredient off. The choice of 30 seconds is arbitrary and further work could be needed to optimise this. For the kettle,  [buy alpha heater](https://ctpedia.org/index.php/Portable_Welding_Rod_Heater_-_HP7) [alpha heater portable](https://higgledy-piggledy.xyz/index.php/User:Jamal33601858) price this experiment was designed to mitigate or avoid the causes of inefficiency in this kettle highlighted in a previous article Illustrating two causes of inefficiency in electric kettles offered in the 2020s. Here, no heat was wasted by its delayed automatic cut-out, for the reason that minimize-out was not used. No heat was wasted vaporising water, for the reason that water did not reach boiling point. The loss of the heat left in the kettle's base was diminished by leaving the water within the kettle for an outlined interval after the heating factor had been turned off.<br>
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