This paper examines the design analysis of low-complexity of electrical consumer products during their daily use. In the domestic domain, these products are such as electric kettle, food processor and coffee machine. However, for the present study, the electric kettle are chosen as a model products since it is a frequently and widely used appliance and is characterized by considerable electricity consumption during operation which is up to 3 kWh. The used of electric kettle nowadays is not limited for inside the kitchen only but also available in the office pantry, coffee bar and any other places that for people refreshment. Widely used of this electrical consumer product because of easy-to-use and time saving in boiling water for making hot tea or coffee. However, improvement in the electric kettle design still can be done in order to achieve highly quality products which consume less electricity and increased the boiling rate in the kettle.
Scope
Furthermore, the current kettle coil is easily exposed to corrosion which can cause hazardous to consumers when drinking from corroded kettle coil. Therefore, to achieve the most saving electric kettle in order to reduce the consumption of both energy and resources, kettle coil is the important component to be design and analyzed. (Baxter, 2010, 16) The successful design of a kettle coil requires knowledge of the heat transfer mechanisms that dominate within it, and knowledge of how these mechanisms are affected by the interaction with the fluid consumed. This study was undertaken to investigate the change in the heat-transfer performance observed in an electric kettle when current design of kettle coil was replaced with the new coil design. Focus will be given in designing the kettle coil geometry using Solid works software and later analyzing the kettle heating performance by using Computational Fluid Dynamics (CFD) methods. The water consumed in this study was 600 milliliters at constant power supply of 2kW. (Baxter, 2010, 16)
Role of Equipment or Materials
Before the existence of electric kettle, all the earliest design was had the element in a separate chamber under the water, maintaining the heat beneath the water in the traditional boiling vessels. As the time travel, people begin to think that the separation of water from the element (fire or heat) made the kettle become inefficient to use and expensive to run . Then, a faster boiling was achieved by placing the element in a metal tube, directly into the water chamber. Later, more improvement on the electric kettle were done such as, some manufacturers employed a cut-out or patented safety ejector mechanism which disconnected the electrical supply if tea kettles boiled dry and also provide a spare fuse inside the handle cavity. After that, the kettle caught up with the iron by appearing in a fully-automatic form. (Baxter, 2010, 16) A controller jet of steam from the boiling water is used to cut the power supply via a fast-acting bimetallic strip. This invention was the last stage in development of the modern ...