Underwater Thermoelectric Power Generation System P14254

Underwater Thermoelectric Power Generation System P14254

Underwater Thermoelectric Power Generation System P14254 Multidisciplinary Senior Design Project Charles Alexander, Tom Christen, Kim Maier, Reggie Pierce, Matt Fister, Zach Mink Introductions Team: Charles Alexander M.E. Tom Christen M.E. (Lead Engineer) Kim Maier M.E. (Project Engineer) Reggie Pierce M.E. Matt Fister E.E. Zach Mink E.E. Faculty Guide: Rick Lux Primary Customer: Dr. Robert Stevens

Agenda Problem Statement Background Information Deliverables Scenarios Considered Constraints Customer Requirements Engineering Requirements House of Quality Preliminary Project Schedule Issues and Corrective Actions Problem Statement Current State: Boeings current UUV, the Echo Ranger has a maximum mission time of 28 hours.

Boeing would like to significantly extend this mission time. Desired State: Boeing would like to utilize a thermoelectric system to significantly extend mission time of their UUVs. Project Goals: Demonstrate proof of concept of thermoelectric system Use a temperature differential to charge a battery Achieve maximum thermoelectric efficiency over a range of temperatures Establish a UUV-based research partnership between Boeing and RIT Constraints: System must operate underwater

System must utilize a thermoelectric device System must operate autonomously Background Information Boeings UUV, Echo Ranger Developed in 2001 for seafloor mapping for oil/gas industry Currently testing the idea for potential military applications ISR Harbor security Current run time ~28 hours Background Information thermoelectric module picture thermoelectric IV curve Deliverables Functional prototype which demonstrates

proof of concept for an underwater thermoelectric device Appropriate design, test, and integration documentation to support eventual inclusion in a UUV Test data verifying engineering requirements have been met Use Scenarios Thermoelectrics have low efficiency They need a lot of heat supplied 2 Options: Radioisotope Fuel Cell Constraints Economical: Budget Range - $950-$1800 Technical: Underwater Operation Power generation - must be accomplished by the use of thermoelectrics Size - details have not been furnished

Customer Requirements Customer Rqmt. # CR1 CR2 CR3 CR4 CR5 CR6 CR7 CR8 CR9 CR10 CR11 CR12 CR13 Importance 9

3 3 9 3 3 9 9 3 9 9 3 3 Description Continuously generate power Operates at various water temperatures Operate efficiently Charge a battery Utilize passive safety features Operate autonomously Operate underwater Heat source provides a constant source of heat Fits within budget Waterproof System can withstand desired water pressure System is lightweight

Heat source resembles (in shape) available power options Continuously generate power Charge a battery Operate underwater Heat source provided a constant source of heat Waterproof System can withstand desired water pressure Comments/Status (radioisotope, fuel cell, etc) Engineering Requirements rqmt. # Importance Source S1 S2 S3 9 9 3

CR1 CR8 CR4 S4 9 CR2 S5 S6 S7 S8 S9 S10 S11 3 3 3 1 3 3 3

CR2 CR11 CR12 CR9 CR12 CR13 CR3 S12 S13 9 9 CR5 CR6 Engr. Requirement (metric) Power Output Heat Source Power Input

Battery Voltage Upper Ambient Operating Temperature Lower Ambient Operating Temperature Waterproof Depth Enclosure Size Budget System Weight Heat Source Dimensions Charging Efficiency Thermal Overload Protection System Operates Without User Input Unit of Measure Marginal Value Ideal Value W W

V 15 400 20 500 C 30 40 C m cm^3 $ kg cm % 10 1 8000 1900

0 5 3375 950 binary binary yes yes Power Output Heat Source Power Input Upper Ambient Operating Temperature Thermal Overload Protection System Operates Without User Input Comments/Status Specs TBD based on Thermoelectric specs More based on seal integrity than power generation Resemble power source

yes yes House of Quality Continuously Generate Power Charge a Battery Waterproof Project Plan Issues and Corrective Actions Lack of defined engineering requirements - heat source, battery voltage, etc. Little communication with the end customer

Obtain information from Boeing or design our own Find a direct contact with Boeing Completion of group tasks Ensure all group members are notified of current statuses (Drive Notifications) Questions?

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