Evaluation of Mass Housing Settlements in Terms of Wind and Noise Control: Istanbul and Diyarbakir as a Case

Gedi̇k, Gülay Zorer; Akdağ, Neşe Yüğrük; Kiraz, Fatih; Şener, Bekir; Çaçan, Raşide

doi:10.3846/16486897.2017.1284667

Cited by 3 publications

(1 citation statement)

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“…Noise emissions from the machines operating in residential areas are to be maintained under the environment protection regulation (1994), and it states that the maximum permissible noise levels from domestic air conditioners is 45 dB (A) [6]. Many past pieces of research show that noise is considered to be a disturbance when it exceeds 55 dB and will be serious problems when it will be over 65 dB [7]. Stress induced by noise in buildings will lead to metal illness [8].…”

Section: Introductionmentioning

confidence: 99%

Study of Noise Annoyance and Vibration of Constructal Designed Window Air Conditioner

et al. 2022

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Industrial, residential and commercial noise levels are to be maintained for acoustic comfort living conditions. Sound annoyance is a sensation of discontentment linked with any driving force from machines or a circumstance. It is certain that, noise can harm human hearing capacity and brain neuron cells. Novelty of this study was the design of window air conditioner with modified heat exchanger coils with phase change material and water were used as refrigerants. Noise and vibration assessment of the constructal designed window air conditioner (CDWAC) and normal window air conditioner (NWAC) with the conventional vapor compression system was carried out. The noise levels, daily exposure noise level, noise criteria levels of the developed window air conditioner was found to be satisfactory according to the British Standard 4142 and noise at work regulations 1789. The noise criteria for the CDWAC with phase change material and water exhibited a better performance around 50 dB whereas the NWAC with vapor compression system was around 60 dB. For normal window AC the RMS value is about 0.62 and constructal window AC is about 0.38. peak amplitude was observed as 0.346 m/s2 in the CDWAC whereas it was about 0.512 m/s2 for NWAC compressor. The amplitude of vibration is very nominal in between 2 to 2.5 s in CDWAC and the peak variation is same as in 1.5 s. Results reveal that the noise and vibration performance of the construction designed window air conditioner was better than the NWAC. HIGHLIGHTS The design of constructal window air conditioner was an attempt to minimize one of the disorders or imperfections in the system that is the noise level created by the air conditioner during its operation Noise and vibration analysis of constructal designed window air conditioner was studied in comparison with the normal window air conditioner Vibration analysis was carried out through the experimental investigation Time domain analysis and spectral analysis of both the air conditioners were performed and the curves were plotted for better understanding of the performances of both the air conditioners in connection with vibration during operation In sum, it is found that constructal law based design of window air conditioner performs better than the normal window air conditioner GRAPHICAL ABSTRACT

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Section: Introductionmentioning

confidence: 99%

Study of Noise Annoyance and Vibration of Constructal Designed Window Air Conditioner

et al. 2022

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An approach to the design of photovoltaic noise barriers and a case study from Istanbul, Turkey

Hasmaden

Gedi̇k

Akdağ

2022

Environ Sci Pollut Res

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Solar energy solutions that do not require additional space are critical. Noise barriers, which are built in low-value lands next to noise sources, provide effective areas for PV modules. There are many studies on using noise barriers as a sub-structure for photovoltaic systems, providing electricity generation besides noise reduction targets. Photovoltaic Noise Barrier (PVNB) technology combines noise control measures with renewable energy generation. In this study, it is aimed to develop an integrated design method that embeds solar energy technology in noise protection structures. The method is exempli ed in an existing settlement located on the side of the road with heavy tra c. According to local climate and solar data, optimum tilt angles have been determined for annual, semi-annual, seasonal, and monthly periods. Noise barrier alternatives are derived with combinations of different diffraction edge sizes of barrier top and determined optimum inclination angles. The performance of the criteria that affect the PVNB effectiveness for alternatives was calculated through software tools. The energy generation potential of PVNB and its shading in adjacent blocks were calculated with PVsyst 6.7.7. The noise control e ciency of the structure was computed via SoundPLAN 7.2. TOPSIS method one of the most common multi-criteria decision-making technique (MCDM) was used in the evaluation. As a result of TOPSIS, the best PVNB solution in the case study is the alternative that has 3m and 2m wide edges; 58 ° and 31 °tilted edges. Comparison with the current situation, the selected alternative will decrease %44 the number of receiving points affected by noise and provide 524804 kWh annual electricity generation.

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The Stimulation and Coordination Mechanisms of the Carbon Emission Trading Market of Public Buildings in China

Duan

Guo

et al. 2021

Front. Energy Res.

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The most important issue related to the establishment of carbon emission trading in China is how to motivate the owners of public buildings to participate. However, Existing research few considered the characteristics of public building owners and the influence of various uncertain factors in carbon emission trading investments. To fill this gap, this study constructs a carbon emission trading investment decision model of public building owners to study the mechanism that encourages them to participate, incorporating these characteristics and uncertain factors. The findings are as follows. First, carbon price is important in adjusting the emission reductions of different owners to minimize the total social cost of emission-reduction measures. Second, the price of carbon-emission permits has a significant impact on the investment threshold and decision-making behavior of public building owners. Finally, reducing the cost of energy-conservation and emission-reduction technologies in public buildings and appropriately subsidizing owners for their emission-reduction investment were effective methods to motivate them to participate in carbon emission trading. The results were used to quantitatively analyze the impact of a carbon emission trading mechanism on the decision-making behavior of public building owners and to construct the carbon emission trading mechanism used in China’s public building industry.

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Evaluation of Mass Housing Settlements in Terms of Wind and Noise Control: Istanbul and Diyarbakir as a Case

Cited by 3 publications

References 40 publications

Study of Noise Annoyance and Vibration of Constructal Designed Window Air Conditioner

Study of Noise Annoyance and Vibration of Constructal Designed Window Air Conditioner

An approach to the design of photovoltaic noise barriers and a case study from Istanbul, Turkey

The Stimulation and Coordination Mechanisms of the Carbon Emission Trading Market of Public Buildings in China

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