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DT Topic 2 > Topic 2 > Flashcards

Topic 2 Flashcards

1
Q

Definition of Renewable Resources

A

Resources that naturally renew themselves within a short period of time (100 years).

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2
Q

Definition of Non-renewable Resources

A

Resources that do no not naturally renew themselves within a short period of time (100 years).

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3
Q

Definition of a Reserve

A

A natural resource that has been identified in terms of quality and quantity, and can be extracted economically.

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4
Q

Definition of Renewability

A

The rate at which a resource can renew itself.

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5
Q

What are the Mitigation Strategies?

A
  • Re-use
  • Recycle
  • Repair
  • Recondition
  • Re-engineering
  • Dematerialization
  • Circular Economy
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6
Q

Definition of Recondition

A

Re-building a product so that it is in an as new condition as possible.

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7
Q

Definition of Re-engineering

A

The re-design of products/components to improve their characteristics and performance.

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8
Q

Definition of Dematerialization

A

Reduction of the total material, energy and waste throughout the life of any product.

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9
Q

What is Circular Economy?

A
  • The opposite of linear economy (take, make, dispose)
  • Keep using resources over and over and over again in a closed loop system.
  • The principles of circular economy are bio-mimicry, cradle-cradle and made to be made again.
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10
Q

What are the Stages of a Product’s Life Cycle?

A

1) Pre-production (extraction, processing and transport of materials)
2) Production
3) Packaging and Distribution
4) Utilization
5) Disposal

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11
Q

What are the 2 definitions of Embodied Energy?

A

The quantity of energy required for all the activities associated with pre-production and production (cradle-to-factory gate).
&
The quantity of energy required for all the activities throughout a product’s life (cradle-grave).

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12
Q

Definition of CHP

A

Combined heat and power, which generates heat and electricity.

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13
Q

What do Hydrogen fuel cells do?

A

Hydrogen fuel cells generate power but without burning the fuel (Hydrogen).

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14
Q

Aim of Clean Technologies

A

Clean technologies aim to reduce waste and pollution from processes through radical or incremental approaches.

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15
Q

Drivers (Motivators) of Clean Technologies

A
  • Legislation
  • Media
  • Consumer Pressure
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16
Q

Definition of Incremental Solutions

A

Also known as end-of-pipe approaches, which is adding clean-up technologies at the end of the process. For example, adding a filter to a chimney. They take a shorter period of time to be implemented compared to radical solutions.

17
Q

Definition of Radical Solutions

A

They re-think solutions and apply system level changes. They take a longer period of time to be implemented compared to incremental solutions.

18
Q

What are the strategies for designing green products During Production?

A
  • Clean technologies
  • Recycled materials
  • Design for materials, process and assembly
19
Q

What are the strategies for designing green products During Distribution and Packaging?

A
  • Reduce amount of packaging
  • Use recycled materials for packaging
  • Minimize weight of packaging
20
Q

What are the strategies for designing green products During Utilization?

A
  • Products should be energy efficient
  • Products should be easy to repair
  • Design for disassembly
21
Q

What are the strategies for designing green products During Disposal?

A
  • Use recyclable materials
  • Design for disassembly
22
Q

What is the Prevention Principle?

A

The avoidance/minimization of environmental hazards, which aim to promote the prevention of environmental harm.

23
Q

What is the Precautionary Principle?

A

The anticipation of potential problems related to the environmental impact of the production, use and disposal of a product. It’s about being “safe than sorry”, where actions are taken to avoid potential negative impacts when sufficient evidence exists rather than waiting for absolute proof or damage to occur.

24
Q

Definition of Eco-design

A

A design strategy that focuses on 3 broad environmental categories (materials, energy, pollution/waste). We know it has an LCA.

25
Q

Definition of Green design

A

Developing ideas to have a reduced impact on the environment. It’s typically incremental, requiring a short period of time for implementation.

26
Q

Definition of Life Cycle Analysis

A

Analysis of a product’s impact on the environment throughout its life cycle.

DT Topic 2 (1 decks)

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