2 results for “perforated plate”

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Research ArticleOpen accessIn the keywordsNoise Control Using Coconut Coir Fiber Sound Absorber with Porous Layer Backing and Perforated PanelRozli Zulkifli, Zulkarnain, Mohd Jailani Mohd NorProblem statement: Noise control was one of the major requirements to improve the living environment. One of the methods to do that is provided by sound absorber. Commonly, multi-layer sound absorbers are applied to absorb broadband noise that was composed of perforated plates, air space and porous material. However, multi-layers sound absorbers effectiveness depends on their construction. This study was … …American Journal of Applied Sciences, Vol. 7, Issue 2 · 28 Feb 2010 · 14,698 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA Simple Tubesheet Layout Program for Heat ExchangersS. Murali, Y. Bhaskar RaoThe development of tubesheet layout program for shell and tube heat exchangers is presented in this study. Program is written in AutoLISP language, which provides standard tubesheet layout drawing as per standard codes and non standard tubsheet in AutoCAD Environment. The program computes the optimal number of tube count and lays out drawing with respecting constraints, including the shell ID, … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 2 · 30 Nov 2008 · 9,046 accessesView PDF Cite