Publication

Méthode d'investigation des cycles des moteurs à combustion interne

1968
Student Projects

Abstract

L'étude thermodynamique du cycle d'un moteur à combustion interne a pu être jusqu'à présent réalisée en posant des hypothèse assez larges mais qui étaient en accord avec la politique. Les moteurs actuels tournent très ronds et il est douteux que l'on puisse améliorer le rendement avec une théorie très précise dans un domaine où l'expérience joue un rôle primordial. Pour l'application de cette méthode il nous faudrait connaître avec précision la loi de combustion et loi d'échange de chaleur, qui ne sont connues actuellement que très grossièrement ce qui enlève à cette méthode une partie de sa précision.

Official source

https://infoscience.epfl.ch/entities/publication/17ab1162-4d4f-41e8-8b32-2432e8dd2e77

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1968
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/17ab1162-4d4f-41e8-8b32-2432e8dd2e77

About this result

Related concepts (5)

Germ cell

A germ cell is any cell that gives rise to the gametes of an organism that reproduces sexually. In many animals, the germ cells originate in the primitive streak and migrate via the gut of an embryo to the developing gonads. There, they undergo meiosis, followed by cellular differentiation into mature gametes, either eggs or sperm. Unlike animals, plants do not have germ cells designated in early development. Instead, germ cells can arise from somatic cells in the adult, such as the floral meristem of flowering plants.

Primordium

A primordium (praɪˈmɔːrdiəm; : primordia; synonym: anlage) in embryology, is an organ or tissue in its earliest recognizable stage of development. Cells of the primordium are called primordial cells. A primordium is the simplest set of cells capable of triggering growth of the would-be organ and the initial foundation from which an organ is able to grow. In flowering plants, a floral primordium gives rise to a flower.

Folliculogenesis

Although the process is similar in many animals, this article will deal exclusively with human folliculogenesis. In biology, folliculogenesis is the maturation of the ovarian follicle, a densely packed shell of somatic cells that contains an immature oocyte. Folliculogenesis describes the progression of a number of small primordial follicles into large preovulatory follicles that occurs in part during the menstrual cycle.