Active and passive components pdf

Integrated facade for spatial efficiency, prefabrication active and passive components pdf energy sustainability. Spatial efficiency improvement by integrated active environmental systems. Highly prefabricated active systems with only three components installed on-site.

Energy usage reduced by natural ventilation and reduction of distribution losses. The Egan Report, changes to Part L Building Regulations, and the importance of office workers are challenging designers to improve the construction process, reduce operational carbon emissions, and enhance occupant comfort for office buildings in the United Kingdom. This paper describes the development of a double skin facade system with integrated environmental systems, to overcome these challenges and provide both a passive and active approach to environmental control. A key part of the design process has been working with industrial partners to develop the design and realise a full-scale prototype.

This has been tested and evaluated in terms of key aspects of the comfort, weather and aesthetic performance. Check if you have access through your login credentials or your institution. 2017 Published by Elsevier Ltd. A fully active electro-hydraulic and passive automotive quarter car suspensions with their experimental test-rigs are designed and implemented. Investigation of the active performance compared against the passive is performed experimentally and numerically utilizing SIMULINK’s Simscape library. Both systems are modeled as single-degree-of-freedom in order to simplify the validation process. Economic considerations were considered during the rig’s implementation.

The rig consists of two identical platforms fixed side by side allowing testing two independent suspensions simultaneously. Position sensors for sprung and unsprung masses on both platforms are installed. The road input is introduced by a cam and a roller follower mechanism driven by 1. 12 kW single phase induction motor with speed reduction assembly. The active hydraulic cylinder was the most viable choice due to its high power-to-weight ratio.

Though this technique is quite simple and not new, yet the emphasis of this paper is the engineering, design and implementation of the experimental setup and controller. A successful validation process is performed. The details of the developed system with the analytical and experimental results are presented. Peer review under responsibility of Faculty of Engineering, Alexandria University. 2017 Faculty of Engineering, Alexandria University.