Browsing Undergraduate Theses by Title
Now showing items 2490-2509 of 5223
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H107[alpha] recombination-line emission, 4800-MHz and 1666-MHz continuum emission in the HII region RCW38
(Massachusetts Institute of Technology, 2003)We present results from observations of H107[alpha] recombination-line emission and the related 4800 MHz continuum emission of the HII region RCW 38 using the Australia Telescope Compact Array. We find the continuum emission ... -
The Habraken support system: some implications with respect to the American context.
(Massachusetts Institute of Technology, 1971) -
Hand powered portable ultraviolet sterilizing water bottle with active UV dose sensing
(Massachusetts Institute of Technology, 2007)A portable hand powered water sterilization device was created to address a portion of the growing epidemic of global water contamination. As being more supply chain independent and having an active dose sensing component ... -
Handicapped car lifting seat
(Massachusetts Institute of Technology, 2005)Currently there is a lack of assistance in automobile usage for the older people of our society. In an attempt to combat this problem, this thesis designs and builds a working conceptual model of a handicapped car lifting ... -
Handling hovercrafts : designing a project curriculum to introduce girls to mechanical engineering
(Massachusetts Institute of Technology, 2006)The Women's Technology Program was created in MIT's Electrical Engineering and Computer Science department to expose girls to engineering topics and to encourage them to choose engineering majors in college. For the upcoming ... -
HandSkates : an apparatus for physically intelligent exercise
(Massachusetts Institute of Technology, 2005)Physical Intelligence refers to the ability of the human organism to smartly and precisely coordinate its internal components and interactions in its environment to solve physically complex tasks. While Physical Intelligence ... -
HandWave : design and manufacture of a wearable wireless skin conductance sensor and housing
(Massachusetts Institute of Technology, 2005)This thesis report details the design and manufacture of HandWave, a wearable wireless Bluetooth skin conductance sensor, and dedicated housing. The HandWave collects Electrodermal Activity (EDA) data by measuring skin ... -
Haptic grip interface for virtual tools
(Massachusetts Institute of Technology, 1996) -
The hardening of Type 316L stainless steel welds with thermal aging
(Massachusetts Institute of Technology, 2012)Welded stainless steel piping is a component of boiling water reactors (BWRs). Reirculation and other large diameter piping are fabricated from Type 304 or 316 stainless steels. Delta ferrite is present in welds, because ... -
Hardness variation and cyclic crystalline-amorphous phase transformation in CuZr alloy during ball milling
(Massachusetts Institute of Technology, 2005)The hardness and percent crystallinity of Cu33Zr67 powder samples are measured through several cycles of a cyclic phase transformation during ball milling. Each are found to cycle with a period of approximately 320 minutes. ... -
Hardware model of a shipboard generator
(Massachusetts Institute of Technology, 2009)A hardware model of the Gas Turbine Generator (GTG) in use on the US Navy's DDG-51 Class Destroyer is constructed for use as a lab apparatus at the Massachusetts Institute of Technology's Laboratory for Electromagnetic and ... -
Hardware model of a shipboard zonal electrical distribution system (ZEDS) : alternating current/direct current (AC/DC)
(Massachusetts Institute of Technology, 2010)A hardware model of a shipboard electrical distribution system based on aspects of the DDG 51 Flight IIA, Arleigh Burke class, 60Hz Alternating Current (AC) and the future direct current (DC), zonal electrical distribution ... -
Harmonic analysis of radial engine torque
(Massachusetts Institute of Technology, 1936) -
Harmonic approaches to non-intrusive load diagnostics
(Massachusetts Institute of Technology, 2008)The Non-Intrusive Load Monitor (NILM) is a system that monitors, records and processes voltage and current measurements to establish the operating characteristics of individual loads on a load center from a single aggregate ... -
Harnessing thermoacoustics for waste heat recovery
(Massachusetts Institute of Technology, 2020)Environmental concerns and economic incentives have created a push for a reduction in emissions and an increase in efficiency. The U.S. Department of Energy estimates that 20 to 50% of the energy consumed in manufacturing ... -
Harnessing waste heat and reducing wasted lighting : three mechanical structures for efficient energy systems
(Massachusetts Institute of Technology, 2008)This thesis presents three mechanical structures designed for efficient energy systems. In [3], Cooley presents a modification of a fluorescent lamp which allows it to detect nearby occupants and dim itself automatically. ... -
Haze measurements through image analysis
(Massachusetts Institute of Technology, 2014)In the recent years, Singapore has been affected by haze caused by slash-and-bum fires in Indonesia. Currently, haze concentration is measured by filtering air samples at various stations in Singapore. In this thesis, ... -
Headline specifications determination for computer-aided newspaper layout.
(Massachusetts Institute of Technology, 1975) -
Healing of defects in a two-dimensional granular crystal
(Massachusetts Institute of Technology, 2014)Using a macroscopic analog for a two dimensional hexagonal crystal, we perform an experimental investigation of the self-healing properties of circular grain defects with an emphasis on defect orientation. A circular grain ... -
Health cooperatives: a model for consumerism in medical care.
(Massachusetts Institute of Technology, 1974)