Recursos de colección

Caltech Authors (160.010 recursos)

Repository of works by Caltech published authors.

Type = Thesis

Mostrando recursos 1 - 3 de 3

  1. Strength properties of nanoporous materials: Theoretical analyses and Molecular Dynamics computations

    Brach, Stella
    Since the recent arising of advanced nano-technologies, as well as of innovative engineering design approaches, nanoporous materials have been extensively studied in the last two decades, leading to a considerable worldwide research interest in both industrial and academic domains. Generally characterised by high specific surface area, uniform pore size and rich surface chemistry, nanoporous materials have allowed for the development of challenging ultra-high performance devices with tailorable properties, finding widespread application in several technical fields, including civil and environmental engineering, petroleum and chemical industries, aeronautics and biomechanics. In order to fulfil to these promising applications, one of the most fundamental research aspect...
    (application/pdf) - 21-sep-2017

  2. Astronomical Searches for Nanosecond Optical Pulses

    Howard, Andrew William
    With "Earth 2000" technology we could generate a directed laser pulse that outshines the broadband visible light of the Sun by four orders of magnitude. This is a conservative lower bound for the technical capability of a communicating civilization; optical interstellar communication is thus technically plausible. This thesis considers interstellar communication with nanosecond optical pulses. Its topics are the theory of such signaling, natural sources, two astronomical searches--their search methodologies, experimental implementations, candidate events, and implications--and a custom integrated circuit designed to detect such signals. The targeted search examined some 6000 Sun-like stars with a sensitivity of ≥100 photons/m^2 in ≤5...
    (application/pdf) - 28-ago-2017

  3. Three essays in empirical industrial organization

    Shum, Matthew
    This thesis consists of three empirical essays on topics in industrial organization. Chapter 1 introduces the three essays and describes their main results. In chapter 2, I measure the effects of advertising on households' choices among competing brands of differentiated products when households are habit persistent. In markets characterized by habit persistent consumers, an important role for advertising may be to encourage consumers to "switch" to newer, less familiar brands. This potentially enhances competition between competing brands by reducing household-level differentiation between brands that a household is and is not experienced with, contrary to the traditional Bainian arguments that advertising...
    (application/pdf) - 12-sep-2017

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