the single wheel tester is an experimental device used to measure wheel forces when studying the relation of soil and wheel in a soil bin or in the field. in the model under development, a special frame holding the test wheel is connected to a loading carriage by two pairs of vertical rails and four rollers to provide a floating connection. by applying a driving torque to the test wheel shaft, ...

construction industry consists of several phases in which a variety of stakeholders are involved. as construction projects are becoming larger, more complex and more diverse, the design phase has been more important factor for the success of projects than ever before. however, it is considered that most of design work occurred in actual design process is intangible. such recognition makes the d...

a numerical model for simulating residence time distribution (rtd) of turbulent flows in helical static mixers is proposed and developed to improve the understanding of static mixers. the results of this model is presented in terms of different volumetric flow rate to illustrate the complicated flow patterns that drive the mixing process in helical static mixers. the computed results are also u...

peanuts, an oilseed crop, contain about 46% oil. the peanut shell can be used as fuel or pallets and its dry matter as feedstuff. the whole pods consist of 1-6 kernels. shelling is done at harvest time when the pod moisture content is 5-10%. in this research, a peanut sheller was designed and developed to separate the shell from the pod. the sheller included a hopper, sheller cylinder, concave,...

The rapid transit network design problem consists on the location of the train alignments and stations in an urban traffic context. The location problem incorporates the demand decisions about the mode and route that they choose to realize the urban trips. The capacity expansion incorporates to the location problem some relevant criteria about the cost of the investment and the future utilizati...

Nowadays almost all retrieval algorithms (for text, images, drawings, etc.) are mainly concerned in achieving good system-centered measures, such as precision and recall. However, these systems are used by users, who try to achieve goals through the execution of tasks. To better satisfy the users’ needs we must involve them in the development process of the retrieval systems. In this paper, we ...

Incremental design is an essential part of engineering. Without it, engineering would not likely be an economic, nor an effective, aid to economic progress. Further, engineering relies on this view of incrementality to retain the reliability attributes of the engineering method. When considering the assurance of safety for such artifacts, it is not surprising that the same economic and reliabil...

The game industry is often accused for not being original and inventive enough, making sequels and transmediations instead of creating new game concepts and genres. Idea creation in game development has not been studied much by scholars. This paper explores the origin of game design ideas, with the purpose of creating a classification of the domains the ideas are drawn from. Design ideas in 25 ...