1. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Deluxe Ice Cream Bar Freezer Pack: Feasibility and Costs Stephanie Bezilla Sarah Burch Britt Smart Lizalyn Smith

2. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Frozen Dessert Industry $20.3 Billion/Year Industry 91% U.S. Households Consume 50% Sold in Supermarkets; 50% Sold in Retail Outlets (Restaurants, Parlors) 1.6 Billion Gallons Produced/Year 5.7 Gallons/Year Consumed per Person

3. 6 June 2002Freezemore, Inc. Freezemore@umich.edu You Want It, We Got It Objective Motivation –Increase Ice Cream Bar Sales Volume –Increase Klondike Market Share in Frozen Dessert Industry Problem –Feasibility of 5-6 Hour Individual Bar Cooler –Estimate Manufacturing and Testing Cost

4. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Assumptions Klondike Deluxe Ice Cream Bar -5°C to 0°C Ideal Ice Cream Service Temperature -10°C to 0°C Typical Freezer Temperature

5. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Cooling Refrigerant: Ice Substitute Outperforms Ice Ice Substitute Equilibrium: 3 Hours at 25°C Ice with Salt Equilibrium: 0.5 Hour at 18 °C *At Test Start, Ice Substitute Was Not Completely Frozen

6. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Test Set-Up

7. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Future Testing: CMC Based Gel Pack 6 Hour Prototype Test –Ice Cream Bar –2 CMC Gel Packs Final Temperature Equal to 0°C Heat Transfer Analysis of Final Design (Sodium Carboxymethylcellulose)

8. 6 June 2002Freezemore, Inc. Freezemore@umich.edu 5-6 Hour Cooler is Feasible First Law of Thermodynamics –Heat Flow Rate is Conserved Q ice = m ice c ice ΔT = Q H20 = m H20 c H20 ΔT c ice = 23500 J/kg-K

9. 6 June 2002Freezemore, Inc. Freezemore@umich.edu 5-6 Hour Cooler is Feasible Ideal Ice Volume Calculation Above Equation Yields Ideal Ice Volume of ~8E-5 m 3 (4.9 in 3 ) FreezeMore Ice Volume = 1.42E-4 m 3 (8.7 in 3 )

10. 6 June 2002Freezemore, Inc. Freezemore@umich.edu 5-6 Hour Cooler is Feasible Assumed No Phase Change of Ice Substitute Ice Cream and Ice Modeled as Same Temperature Convection Eliminated in Cooler Compartment (No Air Inflow) Radiation Negligible Due to Insulation Styrofoam (No Perceptible Outside Coolness to Container)

11. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Cost Analysis 2 Month Promotion Time –Late Spring Optimal –Cooler Attached to Each 6-Pack Estimated 5 Million (6-Packs) Sold During Promotion Time

12. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Manufacturing Cost $0.67 per Unit Cost Per UnitTotal Cost Insulation$ 0.04$ 200,000 Plastic Shell$0.52$ 2,600,000 Gel Packs$0.05$ 232,600 Labor$0.05$ 250,000 DesignNA$ 16,000 TOTAL$0.67$ 3,298,600 * Initial Capital Investments Not Included in Cost Estimate

13. 6 June 2002Freezemore, Inc. Freezemore@umich.edu 25% Growth in Sales 80% of People Initially Surveyed Would Use Cooler For Each Free Cooler, At Least One More Six-Pack Would Be Sold Increase in Sales by 5,000,000 Six- Packs Increases Klondike Sales by 25%

14. 6 June 2002Freezemore, Inc. Freezemore@umich.edu What Would You Do For A Klondike Bar?: Recovering Cooler Cost $0.17 Added to Six-Pack for 1 Year Covers Manufacturing Costs Money Due to Promotion = Profit!!!!

15. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Cost/Benefit Ratio FreezeMore Has Positive Rating!

16. 6 June 2002Freezemore, Inc. Freezemore@umich.edu FreezeMore Cooler Prototype CMC Gel Pack High Density Polyethylene Plastic Outer Klondike Ice Cream Bar Styrofoam Rubber Seal

17. 6 June 2002Freezemore, Inc. Freezemore@umich.edu CMC Gel-Pak Benefits Non-Toxic –FDA Approved for Food Use Durable –“True Gel” (Permanent Phase Change) –No Gel Deterioration Over Time Efficient –20% Greater Cooling Capacity Than Ice

18. 6 June 2002Freezemore, Inc. Freezemore@umich.edu HDPE Plastic Outer Benefits FDA Approved for Food Storage Inexpensive ($0.32/lb) Freezes Well (Up to -70°C) Low Conductivity Strong (Yield Strength = 21.8 MPa) Can be Injection Molded

19. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Klondike Ice Cream Bar Cooler Made Specifically to Size of Ice Cream Bar Increases Brand Loyalty Increases Repeat Buyer Volume

20. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Styrofoam Insulation Benefits Low Conductivity (k=0.25 W/m-K) Inexpensive ($0.04/unit) FDA Approved for Food Storage

21. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Conclusions 5-6 Hour Cooler is Feasible Estimated Manufacturing Cost per Cooler is $0.67 –Cost Recoverable with Six-Pack Price Increase of $0.17 for One Year Estimated 25% Growth in Sales Recommended Prototype Materials *CMC Gel Pack*HDPE Plastic Outer *Styrofoam*Klondike Ice Cream Bar

22. 6 June 2002Freezemore, Inc. Freezemore@umich.edu Questions? FreezeMore Prototype Proposed FreezeMore CAD Design