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Team KiloWatt. A Lot of Heat A Lot of Power. Introduction. Team Members Jeffrey Kung Richard Sabatini Steven Ngo Colton Filthaut. Faculty Advisor Jim Mohrfeld Richard Sabatini Steven Ngo Colton Filthaut. Industry Advisor Craig Kinzelman ( Stirling Technology Inc. )

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Team kilowatt

Team KiloWatt

A Lot of Heat

A Lot of Power


Introduction
Introduction

Team Members

  • Jeffrey Kung

  • Richard Sabatini

  • Steven Ngo

  • Colton Filthaut

Faculty Advisor

  • Jim Mohrfeld

    Richard Sabatini

    Steven Ngo

    Colton Filthaut

Industry Advisor

  • Craig Kinzelman(Stirling Technology Inc.)

    Richard Sabatini

    Steven Ngo

    Colton Filthaut

Underclassmen

  • Walter Campos


Agenda
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix


Agenda1
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix


Goals
Goals

  • To have a working Stirling Engine that will serve as a portable generator capable of producing 2.5 kWh

  • To be able to run multiple common household appliances simultaneously


Household appliances
Household Appliances

  • Appliances (average):

    • Refrigerator/Freezer = Start up 1500 Watts

      • Operating = 500-800 watts

    • Hot plate = 1200 Watts

    • Toaster oven = 1200 Watts

    • Space heater = 1500 Watts

    • Air Conditioner (5,000 BTUH room unit) = 900 Watts

  • Lights = Most common are 60 watt light bulbs.

    • Most rooms/areas on breaker boxes consist of 4-5 light bulbs => 240-300 Watts

  • Tools (average):

    • ¼” drill = 250 Watts

    • ½” drill = 750 Watts

    • 1” drill = 1000 Watts

    • Electric Chain Saw 11”-16” = 1100-1600 Watts

    • 7-1/4” Circular Saw = 900 Watts


Agenda2
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix


Background
Background

  • Created by Robert Stirling in 1816

    • His brother, James Stirling, created a Stirling Engine that powered a foundry

  • ASE- Automotive Stirling Engine

    • Program created by NASA and the United States Department of Energy

  • Incorporated in many submarine applications

    • Propulsion system

    • Very quiet

    • Increased efficiency


Agenda3
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix


How it works
How it Works

  • The displacer cylinder is heated by an external heat source

  • The working gas expands in the cylinder creating pressure resulting in movement of the displacer

  • The working gas forces the displacer in both directions

  • The cylinder with the power piston compresses and contracts with the change in temperature

  • This is due to the rejected heat leaving the system through convection

  • The system restarts this cycle



Agenda4
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix


Alpha
Alpha

  • Enclosed system with two cylinders that has corresponding pistons which compress and contract with change in temperature


Team kilowatt
Beta

  • One cylinder system that encloses one piston and displacer


Gamma
Gamma

  • Similar to the Beta but with two cylinders that have a chamber which funnels working gas into the power piston cylinder


Agenda5
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix


Previous attempts
Previous Attempts

  • Team Gamma

    • 2010

  • Team Alpha Force

    • 2011



Choice of configuration
Choice of Configuration

  • Gamma

    • Cost efficient

    • No seal required in the displacer cylinder

    • More versatile with its design

    • Easy to isolate the cold and hot pistons



Agenda6
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix


Industry products
Industry Products

  • Small Market (Multi-Application)

  • Largest Market

WhisperGen (1 kW)

MM-7 (0 kW)


Industry products continued
Industry Products (Continued)

  • Very Small to non- existent market

  • All designs are singularly produced and fabricated

  • Relatively Large Market

PowerUnit (43 kW)

Genoa StirlingEngine (3 KW)


Agenda7
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix



Cost comparison stirling generator vs gas generator
Cost Comparison- Stirling Generator vs. Gas Generator


Agenda8
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix




Agenda9
Agenda

  • Goals

  • Background

  • What is it/How it Works

  • Different Types (Alpha, Beta, Gamma)

  • Choice of Design Parameters

  • Industry Products

  • Cost Analysis

  • WBS/Gantt Chart

  • Risk Matrix