Revista HIDRAULICA | HIDRAULICA Magazine

ISSN 2343–7707 ; ISSN-L 1453-7303

Here below we post a list of
Papers already accepted for publication in Issue 3/2017 of HIDRAULICA.
The list displays paper title, author(s) and affiliation,
and also paper abstract.
Full-text paper will be available online only after publication.

  • Remanufacturing of Hydrostatic Systems for Heavy Duty Vertical Lathes
    Prof. PhD Eng. Dan PRODAN
    University POLITEHNICA of Bucharest, Romania

    Abstract:
    In this paper the author presents a part of the theoretical and experimental research conducted during the remanufacturing of a heavy duty vertical lathe. The remanufacturing of this machine-tool involved the re-design of the hydrostatic system for table suspension. These very heavy machine-tools use hydrostatic systems for supporting the main spindle on bearings, which allows them to take over thrust loads over 100 to at speeds of 50 RPM. In these conditions, the hydrostatic system must be well dimensioned, stable and controllable both in conventional operation mode and especially in CNC operating mode in order to ensure the working parameters.

  • Simulation of the Flows of Processes in the Waste Water Treatment Plant
    Prof.PhD.eng. Mariana PANAITESCU, Prof.PhD.eng. Fanel-Viorel PANAITESCU
    Constanta Maritime University, Romania

Abstract:
In order to accomplish the flows from the existing processes simulation in a wastewater treatment plant there has been used a software tool called GPS-X, version 6.1.1.The steps of simulation were the following:
It has been designed the flow station wastewater treatment plant. Settings have been configured for installation components. Subsequently input data have been changed according to the number of inhabitants, interchangeable.
Through simulation, it is an established type loading and subsistence change input data.
In the end, it runs the simulation process of waste water treatment plants, listing the values themselves waste water parameters monitored through simulation, before the evacuation into natural receiver.
Through this work one can see that the values of the analyzed parameters did waste water purified, to escape into natural receiver values are reduced from those set at the entrance of the plant, making it possible to purify water according to standards in force. Sustainable development implies the control of environmental pollution through the use of easy and efficient software tools.

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