A formal method to allow designers to explicitly make trade-off decisions is presented. The methodology can be used when an engineer wishes to rate the design by the weakest aspect, or by cooperatively considering the overall performance, or a combination of these strategies. The design problem is formulated with preference rankings, similar to a utility theory or fuzzy sets approach. This appr...

This paper develops a generalized framework for hedonic estimation that exploits experimental and quasi-experimental designs to relax many assumptions required by previous approaches. In the context of an idealized experiment, the identifiability is established of the distribution across consumers of the Marginal Willingness to Pay (MWTP) for a given product-specific amenity with few restrictio...

A single-stage axial fan having a pressure ratio of 1.01 is designed in the current study. The design chosen based on power available from existing motor (2.2 kW). space for flow was generated by varying specific and geometrical parameters suitable steps, using program written MATLAB. varied are mass rate, inlet Mach number, angle, rotor speed. that were hub to tip ratio, aspect blade solidity....

In the open-pit mining, one of the first decisions that must be made in production planning stage, after completing the design of final pit limits, is determining of the processing plant cut-off grade. Since this grade has an essential effect on operations, choosing the optimum cut-off grade is of considerable importance. Different goals may be used for determining optimum cut-off grade. One of...