Detailed description is . A scale model is most generally a physical representation of an object, which maintains accurate relationships between all important aspects of the model, although absolute values of the original properties need not be preserved. This enables it to demonstrate some behavior or property of the original object without examining the original object itself. The most familiar scale models represent the physical appearance of an object in miniature, but there are many other kinds.Scale models are used in many fields including engineering, architecture, film making, military command, salesmanship and hobby model building. While each field may use a scale model for a different purpose, all scale models are based on the same principles and must meet the same general requirements to be functional. The detail requirements vary depending on the needs of the modeler.To be a true scale model, all relevant aspects must be accurately modeled, such as material properties, so the model's interaction with the outside world is reliably related to the original object's interaction with the real world.ClassesFor a scale model to represent a prototype in a perfectly true manner, all the dimensionless quantities, or π terms, must be equal for the scale model during the observational period and the prototype under the conditions the modeler desires to study. However, in many situations, designing a scale model that equates all the π terms to the prototype is simply not possible due to lack of materials, cost restrictions, or limitations of testing facilities. In this case, concessions must be made for practical reasons to the similitude requirements.Depending on the phenomena being observed, perhaps some dimensionless quantities aren't of interest and thus can be ignored by the modeler and the results of the scale model can still safely be assumed to correspond to the prototype. An example of this from fluid dynamics is flow of a liquid in a horizontal pipe. Possible π terms to consider in this situation are Reynolds number, Weber number, Froude number, and Mach number. For this flow configuration, however, no surface tension is involved, so the Weber number is inappropriate. Also, compression of the fluid is not applicable, so the Mach number can be disregarded. Finally, gravity is not responsible for the flow, so the Froude number can also be disregarded. This leaves the modeler with only the Reynolds number to worry about in terms of equating its values for the scale model and the prototype.
Established in the recent years Scale model in south-andaman, andaman-and-nicobar-islands in india.
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