Albert P. Pisano (Advisor)

APP61: Integrated Nano Mechanically-Regulated Atomic Clock: 3.4 GHz Resonator

James M. Porter Jr.
2004

Nano-scale piezoelectric resonators will be designed, fabricated and incorporated into an Integrated Nano Mechanically-Regulated Atomic Clock in order to reduce mass, size, and power consumption. This project focuses on the design and modeling of these resonators.

Project end date: 08/26/04

APP91: Ultra High Shock Resistant Sensors

Ki Bang Lee
2004

This research aims to develop ultra high shock resistant sensors that can be launched on a special high-speed projectile. A new set of MEMS RF and sensor components will be designed, fabricated, integrated, and tested in an environment characterized by extreme acceleration (150,000 to 300,000g). The special high-speed projectile will allow flat-trajectory, near-instantaneous placement of the MEMS RF and sensor components at distances in excess of 1000 m onto surfaces such as solid concrete.

Project end date: 08/26/04

APP88: Experimentally Verified Simple Analytical Models of the Viscous Rotary Engine Power System (VREPS)

Thomas H. Cauley III
2004

Determine the efficiency and feasibility of a new type of power system, the Viscous Rotary Engine Power System (VREPS), using simple analytical models that have been verified through micro-scale fluidic experiments. VREPS will be driven by a Couette-Poiseuille Flow in a small gap between a rotating disk or annulus and a stationary housing, similar to a drum and cylinder viscometer except the fluid is driving the drum in the case of VREPS. The proposed VREPS design, as shown in Figure 1, converts mechanical rotation of the disk or annulus into electrical power by using an integrated...

APP87: Thermal Management of Next Generation Rotary Engine Power System

Jonathan Rheaume
2004

As the MEMS Rotary Engine Power System project team designs a larger engine (1500mm3) with increased power output, it may no longer possible to rely on natural convection for engine cooling. An active thermal management system is necessary to regulate engine temperature and to reject waste heat. This project will model the increased thermal load of the more powerful, fuel flexible, next generation rotary engine; analyze cooling options; and provide feedback to the design of the rotor, endplates, fuel vaporizer, air preheater, and rotor housing. This project entails essential steps...

APP42: Low-Power, Low-Leakage Microvalve

Jeremy Frank
2004

Design a valve suitable for integration into a portable, wearable microfluidic device. Wearable microfluidic devices have a very limited supply of working fluid and the use of this fluid must be very tightly budgeted to increase the life of the system. Microvalves incorporated into this system must have incredibly low leakage rates to reduce wasted fluid by increasing the precision that fluid is distributed to other parts of the system. Additionally, due to the meager amount of energy available from the system battery, the valves must have very low power consumption.

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APP41: Capillary Action Accumulation Device

Eric Hobbs
2004

The main goal of this project is the development of water-powered, osmotic micropumps to serve as clean, compact, and inexpensive power sources for bioassay and drug delivery applications. Osmosis is applied to design micropumps fabricated by MEMS-compatible processes for the integration with other microfluidic devices. The innovative osmotic micropumps will be able to serve as clean, compact, and inexpensive power sources for bioassay and drug delivery systems.

Project end date: 09/10/04

APP51/RM: Silicon Carbide–Coated Microcomponents for the Rotary Engine–Based Power System

Muthu B.J. Wijesundara
Jingchun Zhang
Carlo Carraro
Bob Ashurst
2016

The goal of this project is to develop a facile method for the realization of SiC-coated Si and SiC-based components for MEMS-based micropower systems.

Project end date: 09/10/04

APP48: MEMS Rotary Engine Power System / Soft Magnetic Pole Integration

Debbie G. Jones
2004

The goal of this research is to electroform ultra thick ferromagnetic structures into a silicon mold patterned with DRIE.

Project end date: 01/20/05

APP82: Feasibility Study of a MEMS Viscous Rotary Engine Power System (VREPS)

Thomas H. Cauley III
2004

In this project an analytic, theoretical and numerical study of the Viscous Rotary Engine Power System (VREPS) is completed. In addition, a proposed process flow for the fabrication of the VRESP using DRIE of silicon is developed. The design premise of the VREPS is to derive mechanical power from the surface viscous shearing forces developed by a pressure driven flow present between a rotating disk or annulus and a stationary housing. The resulting motion of the rotating disk or annulus is converted into electrical power by using an external permanent magnet, embedded nickel-iron...

APP47: MEMS REPS: MEMS Fuel Vapor Delivery by Flow Rectification

Josh Heppner
2004

A MEMS fuel delivery system is to be designed, fabricated, characterized and then integrated into a rotary engine called MEMS REPS.

Project end date: 02/01/05