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Ion Via; incrowning the long scientific and teaching experience, a paper of the talented prof. Dorin Diaconescu appeared under the title Products conceptual design. This paper which will become a pace maker in the field, resonates successfully to the new denomination of our department: Product Design and Robotics. I can only be proud that my first PhD students, now two prestigious professors, linked their name to the process of Romanian technical high education modernization and, implicitly, to its integration into the European technical high education.

In the Romanian language dictionary, through design it is understood a multi- disciplinary field interested in the ensemble of factors social - economical, functional, ergonomic, aesthetical etc.

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Acest deziderat se realizeaz prin structurarea procesului de proiectare cu ajutorul unor noiuni, algoritmi i metode care asigur obinerea soluiei optime, att d. La rndul su, obinerea soluiei optime const n corelarea compatibil i eficien a informaiei din toate domeniile conexe, astfel nct produsul industrial proiectat s constituie, n condiiile date, cel mai bun rspuns la exigenele sociale de natur utilitar, economic, estetic, de siguran etc.

Designul conceptual pornete de la lista de cerine i se ncheie cu stabilirea soluiei de principiu sau conceptul produsului; mai departe, pe baza acestui rezultat, designul constructiv elaboreaz varianta optim a proiectului final.

Lucrarea de fa, destinat designului conceptual, abordeaz mai nti terminologia specific acestei discipline, cu ajutorul unor exemple intuitive. Se prezint apoi modelul german pentru ciclul de via al unui produs, din care se dezvolt o variant generalizat.

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Din varianta generalizat de algoritmizare se expliciteaz pe larg etapa referitoare la designul conceptual al produselor, care este urmat de un exemplu didactic de aplicare.

Sunt prezentate succint exemple de soluii folosite n tehnic pentru rezolvarea urmtoarelor funcii uzuale: This desideratum is fulfilled by structuring the design process by means of concepts, algorithms and methods that ensure the generation of the optimal solution, both subserviently and aesthetically.

To working surfaces of such steel products for example, saw blade in woodworking the requirements of high wear-resistance at as greater excess as possible in hardness over opposite body of working cutting contact are provided. Application of diamond grinding with introduction of additional energy as electric discharges diamond-spark grinding in the technologies of reinforced steels allows to raise homogeneity of white layer structures, that will assist to increasing of stability of finished product operation. Keywords: diamond, friction, microhardness, X-ray, roughness. Introduction The white layer white zones as slightly etching hard buildup, appearing on a surface of steel components during contact thermomechanical influence, for a long time draws attention of researchers from the point of view of possible increase of life-limiting characteristics of operational contact surfaces.

The achievement of the optimal solution relies on a compatible and efficient correlation of information from all the connected fields, so that the designed industrial product to represent, in the given conditions, the best answer to the social exigencies of subservient, economic, aesthetic, safety According to the published literature, mainly in the German and English one, the design process is highlighted through four relatively distinct phases: 1 elaboration of the requirements list in English: product design specifications2 conceptual design, 3 embodiment design and 4 detail design.

The conceptual design starts from the gc max find find burner efect secundar list and ends with the establishment of the principle solution or the product concept; further, based on this result, the embodiment design elaborates the optimal variant of the final project.

Subject: Re: [Aviatia. Within seconds, the pilot knew where he would end up: "We're gonna be in the Hudson. It began with a thump at about 3, feet and the loss of all engine noise, followed by the pilots' quick realization that returning to LaGuardia or finding another airport was impossible. With both engines out, flight attendants described complete silence in the cabin, "like being in a library," said NTSB member Kitty Higgins. A smoky haze and the odor of burning metal or electronics filled the plane.

The present paper, dedicated to the conceptual design, approaches the specific terminology of the discipline, based on intuitive examples. In this approach, as in the entire paper, it is mainly used the experience of the German school, whose priority in the field it is incontestable.

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It is then presented the German model for the product life cycle, from which a generalized variant is developed.

In the context of the product life cycle, the most significant models of the design process algorithms from literature are presented and a new generalized modeling variant is developed.

În timp ce din n - parafine se formează preferenĠial etilenă, din izoparafine ramificate se formează preferenĠial propilenă. Stocurile cu un conĠinut redus de parafine úi cu un conĠinut relativ înalt de naftene sunt potrivite pentru producerea diolefinelor. Nu se poate face o caracterizare simplificată a materiilor prime lichide úi din acest considerent se vor prelua exemplificări de cazuri concrete din diverse surse. O primă exemplificare a randamentelor pentru etilenă o trecere pentru alimentări gazoase úi lichide provine din Zdonik úi Schutt, citat de Nelson,pgtabelele Temperaturile de ieúire din serpentină, la alimentarea cu produse lichide reflectă limitările materialelor din epocă oC.

The step referring to the products conceptual design is explained starting from this generalized variant of algorithm, followed by an example of application. Examples of solutions used in technique for solving the following usual functions are briefly presented: nsumarea a dou micri, distribuia nedeterminat a unei micri n alte dou micri, nsumarea a dou momente, distribuia nedeterminat a unui moment n alte dou momente, transmiterea energiei mecanice cu gc max find find burner efect secundar turaiei sub un raport de transmitere constant i propulsia n medii fluide.

La finele lucrrii este foarte bine gndit un minilexicon al terminologiei utilizate. Lucrarea se ncheie cu o bibliografie selectiv de lucrri fundamentale, n domeniul designului conceptual.

Designul conceptual al produselor, care, nu m ndoiesc, va deveni o lucrare de referin n literatura de specialitate, va fi util inginerilor designeri i cadrelor didactice, doctoranzilor i studenilor din nvmntul superior tehnic romnesc. Then, the huge contribution that the bionic solutions can have in solving the most diverse technical problems is highlighted on the basis of comparative examples.

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At the end, a mini-lexicon of the terminology used in the paper is very good conceived. The paper ends with selective references of fundamental papers from the conceptual design field.

The products conceptual design, which will become a pace maker paper in the field, will be useful to the engineers, designers, professors, PhD students and students from the Romanian technical high education.

Apariia acestei cum pro coafurarii pierd grăsime a fost posibil cu sprijinul Ministerului Educaiei i Cercetrii prin contractul de cercetare nr. The publishing of this book was made possible with support from the Ministry of Education and Research by research contract no.