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  • 學位論文

自行車之生命週期評估之研究

THE LIFE CYCLE ASSESSMENT OF BICYCLE

指導教授 : 林盛隆
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摘要


近幾年民眾環保意識的提升及運動休閒的風潮的崛起,騎自行車成了民眾戶外休閒運動的首選,但目前市面上存在著不同材質的自行車,因為廠商不斷的推陳出新,而自行車容易入手,形成一種消費型的產品,且為了跟上節能減碳的潮流,每過一段時間就想要更換一台自行車,形成資源的浪費、造成大量的廢棄物,使的環保的本意被破壞了,本研究以四種市場上利用不同材質所製的車架做為研究對象,其材質為鉻鉬鋼、鈦合金、鋁合金以及碳纖維車架,找出不同材質自行車在衝擊上的關切點,並探討這些結果做為產品未來在環境化設計的建議方向。 本研究係利用生命週期評估的概念,應用生命週期評估軟體Simapro 並選擇Eco-Indicator 99 為衝擊分析方法,針對不同材質的自行車進行生命週期評估分析。 本研究將四種材質自行車進行衝擊分析比較,其中D車材質為碳纖維車架製程與特性和其他三種自行車大不相同,且多以大量聚合物質製作而成,因此衝擊高出其他車架將近40倍,若將D車排除,顯示出以B車的鋁合金車架衝擊點最高,B車的重量最輕但因為凸顯增加鋼性及降低重量的特質材質,必需要添加鋁(Al)與釩(V)元素,在此發現鋁元素,為在這三台不同主要材質的自行車中,造成自行車對於環境衝擊的主因。

並列摘要


The rise in recent years to enhance the public awareness of environmental protection and sports and leisure fashion, the bike has become the preferred outdoor sports people, but the material currently on the market there are different bikes, because the manufacturers constantly replacing old ones, and bicycles easy to start to form A consumer-oriented products, and in order to keep carbon reduction trend over a period of time you want to replace a bicycle, a waste of resources, resulting in a lot of waste, so that environmentally friendly intention was destroyed, this study In the four markets with different materials prepared in the frame as the object of study, which is made of chrome-molybdenum steel, titanium, aluminum and carbon-fiber frame, to identify the concerns of different materials on the impact of bicycle and explore these results suggest that the future direction of the environment as the product of design. This study takes advantage of the concept of life cycle assessment, application life cycle assessment software Simapro and select Eco-Indicator 99 as impact analysis, life-cycle bikes for different materials evaluation and analysis. In this study, the impact of the four kinds of materials were analyzed and compared bicycle, where D car made of carbon fiber frame process with very different characteristics and the other three bikes, and more with plenty of polymeric material is made, so the impact of higher than other frame nearly 40 times, if the car excluded D, exhibit the highest aluminum alloy frame vehicle impact point B, the weight of the lightest car B but since prominent increasing the rigidity and reduce the weight of the material characteristics, will need to add aluminum (Al) to vanadium (V) element, an aluminum element in this discovery, is the main material in three different bike, causing the bicycle to the main cause of environmental impact.

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