Research Article
Nonlinear Material Behavior Analysis under High Compression Pressure in Dynamic Conditions
Table 7
Cost benefit analysis (CBA).
| | (a) | Number of copper crushers used in proof firing during year 2012/13 (excluding production rejection) | 15,400 crushers | | (b) | Number of copper crushers used in proof firing during year 2013/14 (excluding production rejection) | 13,582 crushers | | (c) | Number of copper crushers used in proof firing during years 2012/13 & 2013/14 (excluding production rejection) | 28,982 crushers | | (d) | Cost of one radial copper crusher (4 × 6 mm) | 2.96 USD | | (e) | Total cost of crushers used in two years | 85,786.72 USD | | (f) | Cost of one piezoelectric transducer | 9,548 USD | | (g) | Cost comparison between piezoelectric and copper crushers in two years | 1 : 8.98424 | | (h) | Saving (difference of cost in two years’ proofing if piezo method is adopted) | 76,241 USD | | (i) | Approx. average saving per year | ≈38,120 USD |
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