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Full-Text Articles in Engineering

Assessing The Impact Of Design For Environment Guidelines : A Case Study Of Office Telephones, Hussam Fawzi Al-Okush May 1999

Assessing The Impact Of Design For Environment Guidelines : A Case Study Of Office Telephones, Hussam Fawzi Al-Okush

Theses

This research addresses a fundamental question: How much of the improvement in a product's environmental performance is directly attributable to the Design for Environment (DFE) tools and guidelines, and how much results simply from other design objectives or enabling technologies? The research examines four generations of a business telephone over the last thirty years, including the current generation, which has been designed using DEE guidelines. A lifecycle assessment (LCA) and demanufacturing analysis were performed on each of the first three generations to determine various technology and non-DEE trends. This information was used to forecast the progression to a 1997 non-DEE …


Metrics For Estimating The Product Disassembly Effort, Pradeep Kumar Yedlarajaiah Jan 1999

Metrics For Estimating The Product Disassembly Effort, Pradeep Kumar Yedlarajaiah

Theses

The concepts of environmentally friendly manufacturing and ecological reuse of materials have resulted in an increase in the number of disposed products that are disassembled. Moreover, the imposition of EPA regulations is forcing companies to invest in methods for protecting the environrnent. The first strategy in this vein is material recycling. The issue of recycling became important because of the limited landfill space, diminishing natural resources, environmental pollution due to dumping of products containing hazardous materials. Likewise, it is projected that the cost of extracting materials from natural resources is going to be much more expensive when compared to reclaiming …