The study of coffee mugs
Engr1010-d
background
4500 BCE
Metal mugs: gold, silver,
bronze, or lead (poison)
Source: http://www.mugs.coffee
3000 BCE
Source: http://www.mugs.coffee
Wooden mugs, clay or animal skulls
1200 AD
Source: Royal-Athena Galleries, New York, “World Ceramics: From Prehistoric to Modern Times” by Hugo and Marjorie Munsterberg
Ceramic mugs
Nowadays
Source: thrillist.com
Source: qualitylogoproducts.com
Source: awsomestuff365.com
Paper, stainless steel, ceramic mugs
Features of mugs
Retain temperature for hot/cold drinks
Leak-proof
Microwave safe
Portability
Capacity
Prices of mugs
Motivation
4 different types of coffee mugs are tested
Facilities (1/2)
| A | B | C | D |
| Paper Cup | Porcelain Cup | Stainless Steel Cup (double wall) | Stainless Steel Cup (double wall) |
Electrical boiler(Initial temperature of water: 200°F)
Thermometer (kitchen)
Facilities (2/2)
Measuring cup
Initial temperatures of mugs are room temperate (75°F)
Pour 10 oz. coffee (200°F) into each mug
Test temperature every 5 minutes in the first 30 min
Test temperature every 15 mins from 30-90 mins
Test temperature every 30 mins after, total testing time is 6 hours (360 mins)
Compare temperate variations and other features
Testing Procedures
Results
Comparison of other features
Discussions
| A (Paper Cup) | B (Porcelain Cup) | C (SS Cup, double) | D (SS Cup, double) | |
| Leak-proof | X | X | X | √ |
| Micro safe | X | √ | X | X |
| Portability | √ | √ | √ (travel) | √ (travel) |
| Capacity (oz.) | 12 | 18 | 16 | 16 |
| Price ($) | 0.2 | 6 | 10 | 27 |
D Type coffee mug has the best performance of retaining temperature, although is most expensive.
All four types of mugs are potable.
D type coffee mug is perfectly leak-proof. C type mug is leaking a bit when it’s tipping upside down.
Only B type coffee mug is micro safe and dishware safe.
Summary
https://www.qualitylogoproducts.com/promo-university/history-of-coffee-mugs.htm
http://www.mugs.coffee
Royal-Athena Galleries, New York, “World Ceramics: From Prehistoric to Modern Times” by Hugo and Marjorie Munsterberg
www.thrillist.com
www.qualitylogoproducts.com
www.awsomestuff365.com
References
Students can choose any topic they are interested in, and submit the topic before October 17th.
Students may choose devices and objects around them.
Presentation slides are due on November 25th.
Each student need to prepare 15 min presentation, 5 min for questions.
The discussion needs to include basic data collection and analysis, and presented with graphs and charts.
The fonts and size in the presentation should be consistent.
Requirements
