Method and device for carrying out a thermodynamic cycle

Details Method and device for carrying out a thermodynamic cycle Method and device for carrying out a thermodynamic cycle

F - Mech Eng,Light,Heat,Weapons

01

K

F01K 25/06 (2006.01)

Patent

CA 2562886

The invention relates to a liquid working substance flow (13), the pressure of said flow being increased and the flow itself being subdivided into a first partial flow (16) and a second partial flow (17). The first partial flow (16) is partially evaporated with heat from a heat source (20), and the second partial flow with heat from a working substance flow (11) with a low surface tension. The two partial flows are then combined and produce a gaseous working substance flow (10) with heat from the heat source (20). The surface tension of said gaseous flow is reduced and the energy thereof converted into a usable form. The working substance flow (11) with a low surface tension is condensed, thus producing the liquid working substance flows (13). According to the invention, the first partial flow (16) and the liquid working substance flow (13) are essentially at the same temperature. In this way, the heat of the heat source (20) can be better used, thus increasing the efficiency of the cycle.

Selon la présente invention, un courant d'agent de travail liquide (13) est amené à une pression élevée et est divisé en un premier courant partiel (16) et en un second courant partiel (17). Le premier courant partiel (16) s'évapore partiellement avec de la chaleur provenant d'une source de chaleur (20) et le second courant partiel s'évapore partiellement avec de la chaleur d'un courant d'agent de travail détendu (11). Les deux courants partiels sont ensuite combinés et un courant d'agent de travail gazeux (10) est produit avec de la chaleur de la source de chaleur (20). Ce courant est détendu et son énergie est transformée sous une forme utilisable. Le courant d'agent de travail détendu (11) est condensé, ce qui permet de produire le courant d'agent de travail liquide (13). Selon cette invention, le premier courant partiel (16) et le courant d'agent de travail liquide (13) présentent sensiblement la même température. La chaleur de la source de chaleur (20) peut ainsi être mieux utilisée, ce qui augmente le rendement du cycle.

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