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The design life of a component or product is the period of time during which the item is expected by its designers to work within its specified parameters; in other words, the life expectancy of the item. It is not always the actual length of time between placement into service of a single item and that item's onset of wearout.
Prince was built 1863 and operated 1864–1936, 1955–1968, 1980-present, a product life of over 150 years, a service life of around 125 years. Product lifetime or product lifespan is the time interval from when a product is sold to when it is discarded. [1] Product lifetime is slightly different from service life because the latter considers ...
The design for lean manufacturing equation is design for lean manufacturing success = strategic values minus the drivers of design and process wastes. A good design is one that simultaneously reduces waste and delivers value. [17] [18] There are multiple drivers that cause product, process, and lifecycle wastes. [19]
A particular problem in the area of liquid-state thermodynamics is the sourcing of reliable thermodynamic constants. These constants are necessary for the successful prediction of the free energy state of the system; without this information it is impossible to model the equilibrium phases of the system.
When using a probabilistic approach to design, the designer no longer thinks of each variable as a single value or number. Instead, each variable is viewed as a continuous random variable with a probability distribution. From this perspective, probabilistic design predicts the flow of variability (or distributions) through a system. [4]
Engineering Design: Design for X; Time dimension: product life cycle, Product Life Cycle Engineering, product life cycle management (that is not the same like the product cycle in business studies and economics, see e.g. Vernon (1966)). Primarily, the unit of analysis here is a product, or more clearly, one item
Plackett–Burman designs are experimental designs presented in 1946 by Robin L. Plackett and J. P. Burman while working in the British Ministry of Supply. [1] Their goal was to find experimental designs for investigating the dependence of some measured quantity on a number of independent variables (factors), each taking L levels, in such a way as to minimize the variance of the estimates of ...
The vapor-liquid equilibrium line (the curved line from (0,0) to (1,1) in Figure 1) represents the vapor phase composition for a given liquid phase composition at equilibrium. Vertical lines drawn from the horizontal axis up to the x = y line indicate the composition of the inlet feed stream, the composition of the top (distillate) product ...