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Your name. Your email. Send Cancel. Check system status. Toggle navigation Menu. Name of resource. Problem URL. Describe the connection issue. SearchWorks Catalog Stanford Libraries. Shaping concepts of technology : from philosophical perspective to mental images. Responsibility edited by Marc J.

Imprint Dordrecht ; Boston : Kluwer Academic, c Physical description p. Online Available online. Full view.

## Shaping Concepts of Technology : From Philosophical Perspective to Mental Images - morendaytipa.ml

Green Library. S49 Unknown. More options. Find it at other libraries via WorldCat Limited preview. Contributor Vries, Marc de. Tamir, Arley. Bibliography Includes bibliographical references. Contents Part I Shaping concepts of technology: what concepts are and how to shape them, M. Accordingly, two types of models specific to the engineering sciences are introduced.

## ISBN 13: 9780792346470

Therefore, the task of the engineer was to find physical conditions that would prevent the production of W and stimulate that of P; moreover, it required additional technologies to separate P from W and remainders of A and B. Nevertheless, finding optimal conditions and developing refined technologies could still be approached with scientific means, it seemed.

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Engineering sciences may be used in a rather narrow sense, indicating exclusive research into physical phenomena that occur in technological artefacts. But the term is also identified with systematic approaches in technology.

### 2. Analytic Philosophy of Technology

In this latter denotation, the engineering sciences produce different types of technological knowledge. Toxic compounds such as hydrogen sulphide or ammonia are removed from waste gas by means of absorption into the washing liquid, where the toxic compounds react. The technological device called a scrubber or absorber consists of a column containing horizontal plates with holes in it.

Washing liquid flows downwards through the plates, whereas the toxic gas rises upwards.

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In The nature of technical knowledge. Are models of scientific change relevant? Dordrecht : Reide 1.

## The technological view of the world of Martin Heidegger

The advent of such instrumentalities has simultaneously opened up major new opportunities for scientific investigations and technological innovations. Staudenmaier Staudenmaier, J. However, when applying these laws to concrete flow phenomena, it is not possible to solve analytically the mathematical equation thus derived. Applying the principle of conservation of momentum to flow phenomena involves translating this principle to an inventory rate equation in order to describe the dynamics of this conserved quantity.

The application of this equation to flowing fluids produces partial differential equations, which are nonlinear, and therefore cannot be solved analytically. Therefore, the approach in classical hydrodynamics was to simplify this equation by assuming constant fluid density and constant viscosity, which is called a Newtonian fluid.

These simplifications resulted in the Navier—Stokes equation. Unfortunately, when applied to concrete circumstances, i. A further simplification of the equations ignores the viscosity terms; in other words, it assumes that the viscosity of the fluid is zero. This simplification produces the Euler equation.

This equation is only applicable to perfect fluids, i. Newtonian fluids with negligible viscosity. Mathematical solutions of this simplified equation are possible and agree well with observed behaviour of several kinds of flows but cannot appropriately describe flow past solid surfaces e.

Bird, Warren, and Lightfoot Bird, R. Transport phenomena , New York : Wiley. Since shear stress in the fluid is neglected, mathematical solutions of the Euler equations do not agree with the observed behaviour of flows in channels and pipes, and of forces on solid bodies caused by flow past them, etc.