29 uppsatser · sida 1 av 2
En utredning kring en ny bullerlösning vid trafikleder
… this Master Thesis has been to investigate the possibilities for a new type of noise reduction solution that could decrease the negative effects resulting from larger traffic roads. The idea has been to construct a noise barrier with a roof ? like a tunnel placed on a road. The …
… in central living in today’s cities has led to an increasing effect of traffic noise pollution, and today 20% of the inhabitants in Sweden suffer from noise a level that exceeds the limits. At the same time the traffic keeps increasing, and recent researches shows that traffic …
… now it is time for something else to enter the stage. The technology of active noise reduction can for exmple also be used in ventilation systems for reducing ventilation noise. An active control system principally consists of four important components, namely the downstream …
… now it is time for something else to enter the stage. The technology of active noise reduction can for exmple also be used in ventilation systems for reducing ventilation noise. An active control system principally consists of four important components, namely the downstream …
- I planerade bostäder på Haga
… is situated between Hagaleden and the housing area to absorb part of the noise from the road. The design of the housing area is creating a silent backyard. The idea of building houses in this place is to create an attractive living in central town and close to the river. The air …
Noise damping in a Shift-by-Wire gear shifter
… to compete. One parameter of quality is the components tolerance against NVH(Noise, Vibraion & Harshness) aspects. Kongsbergs Automotive has developed a new gear shifter platform (Shift-by-Wire) that is sold to Alfa Romeo and used in of their car models. However, the company is …
en värderingsstudie över Upplands Väsbybornas betalningsvilja för reducerat flygbuller
… under the approach route to Arlanda Airport’s new third landing chute. Noise levels of over 70 dB have been measured in the area, which exceeds National Board of Housing’s, values for traffic noise at a terrace in connection to housing. By using the method of hedonisk pricing …
Undersökning, mätning och analys
Too high levels of noise lead to various health problems and cost society billions of SEK peryear. In this thesis we have examined a model of the A40E articulated hauler at VolvoConstruction Equipment in Braås. We have tried to reduce cabin noise in an articulated hauler,while …
… about outdoor sounds most often focus on the reduction of unwanted sounds ” noise ” but the absence of noise does not result in a good soundscape. To accomplish this, sounds we appreciate are needed. This paper aims to investigate how landscape architects can contribute to a …
längs Annetorpsvägen i Hyllie, Malmö
… a part of this the following report aims to investigate the potential in using noise barriers combined with photovoltaics along Annetorpsvägen to generate solar electricity. To quantify the losses that shadows from buildings along the roadmight cause, a 3D-model of the area was …
- samt hur fasad och fönster dimensioneras med uppmätta värden
… was what are the actual sound levels at diffrent school yards with low traffic noise and how can you construct a facade element that reduces the sound level from the outside and meet the indoor requirements. Mesurements for four hours was done at eight schools set north and …
… is seen in ages 25-44. There are reasons to believe that these impairments are noise induced. Leisure time noise is not controlled in the same manner that industrial noise is. An ongoing conflict between city council officials and rock club owners, musicians and music event …
Ekhagsmotet i Jönköping
… the upper and lower temperatures in the building and less disturbed by traffic noise and other noise from outside thanks to the higher sound reduction index.
… the upper and lower temperatures in the building and less disturbed by traffic noise and other noise from outside thanks to the higher sound reduction index.
utforskande av det ogripbara
… with a lot of stress, due to the big groups of children that causes high noise and sound levels. The high noise and sound levels is a contributor to stress which additionally can damage the health and cause impaired hearing loss. About half of the people around their forties …
