Invoice from McKesson & Robbins to Ogden Goelet

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Receipt from McKesson & Robbins to Ogden Goelet

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Innovation in Ship Design

What is innovation in ship design? Is it a capability that is inherent in all naval architects? Is it the result of the application of a certain set of tools, or of operation within a certain organizational structure? Can innovation be taught? Innovation is a creative act that results in a new and game-changing product. The emergence of an innovative product creates an asymmetric market. The emergence of an innovative weapon creates an asymmetric battlefield. It is clearly in the economic and military interest of the United States to be able to develop and deploy innovative products, including innovative ships. But the process of ship design is usually one of incremental development and slow evolution. Engineers are taught to develop their product by paying close attention to previous developments. This approach is viewed by some people as anti-innovative. And yet the author has made a career of innovation in ship design. How has this been possible? This dissertation will answer the four questions posed above. It will show what innovation in ship design is, and where innovative naval architecture lies in the taxonomy of human creative endeavor. It will then describe those human attributes which have been found to be essential to successful innovation. It will also describe some of the many tools that innovators use. Some of those tools are used unconsciously. Some of those tools are formal products supported by research institutes and teaching academies. Finally, given the fact that innovation in ship design is a component of engineering – which is a subject taught in Universities – and that it is facilitated by the use of tools – and tool use can be taught – the author will conclude that innovation itself can be taught. Whether it can be mastered will depend upon the individual, just as with most other creative skills

Determined To Rise: A Conceptual And Counter-Narrative Analysis Of The Higher Education Attainment Experiences Of Three African American Men

This study presents anti-deficit counter-narratives of higher education attainment among African American men. Grounded in Critical Race Theory (CRT), this work disrupts anti-Black educational discourses and informs initiatives to improve community college degree completion for Black men. A hybrid qualitative/postqualitative research methodology was designed to examine the educational experiences of three African American men who completed a community college degree, and to inquire into how their counter-narratives both intersected with and were divergent from dominant social and educational discourses. This specialized methodology facilitated multi-faceted explorations and deconstruction of a single set of data, viewing themes and concepts, socially produced silences, marginalization, and agency and resistance through a CRT lens. It further facilitated philosophical explorations such as Angry Black Man Ideology and the role of neoliberal discourses in the community college

Counter-Intuitive Systems Engineering

Meyer Institute Guest Speaker Presentation, arranged by Professor William SolitarioSept. 3, 2009, Mr. Chris McKesson, Counter-Intuitive Systems Engineerin

Reducing ship-generated noise

Naval architects and shipbuilders have many tools for reducing the underwater noise produced by ships. These tools are mature and well-understood. They have been used for decades for the creation of ocean science research vessels, and silent warships. The creation of a quieter ship does, however, require a customer commitment - the reduction in noise is not free. In the case of research vessels and warships there is a clear willingness to pay for silence. But the cost of quiet is not as high as some may think. Some of the tools of ship-silencing are simple to implement in the design phase. Indeed, since underwater noise represents wasted energy, some of the silencing treatments are also fuel-saving treatments. In this presentation the author wishes to provide the audience with an improved understanding of the range of options that a ship designer has for ship quieting. The presentation will present an overview of the various avenues that are available. These include: Reduce noise generation: Ship-generated underwater noise starts as a vibratory input in some piece of ship machinery. The main actors are usually the main engines and the ship’s propellers. In some cases there may be other important sources, including auxiliary machinery or even hydrodynamic noise. In all cases one means of intervention is to reduce the original vibratory input. Simplistically this means finding machines that vibrate less. Reduce noise transmission: Once the vibration is created, it is transmitted through the ship’s structure toward the sea. The transmission path may be short, as in the case of propeller cavitation, or it may be long, as in the case of vibration from an auxiliary diesel engine. One tool for reducing the noise that reaches the sea is to impede the propagation of the vibration from the source. This can be accomplished through features like resilient mountings, or even by the choice of an alternative structural material. Reduce noise radiation: Once the vibratory energy reaches the shell of the ship, this shell acts like a drum head to radiate the energy into the sea. But, like a drum head, it can be tuned to be a good, or a bad, radiator. In a realistic ship design the naval architects will employ a mix of interventions of each sort. As an extreme example, selecting high-frequency machinery on high-impedance mounts in a sandwich-composite hull would yield a vessel that is extremely quiet. But even less-extreme mixes of techniques have the potential to significantly reduce ship-generated underwater noise. We ship designers, at least the better ones, have the tools to produce quiet ships. We just need customers to ask for them