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DT SL > Unit 2 - Resource & Sustainability  > Flashcards

Unit 2 - Resource & Sustainability  Flashcards

1
Q

Resources

A

Stock of supply of materials

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2
Q

Renewable Resources

A

Resources that are replenished at faster rate than depleted

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3
Q

Reserves

A

Natural resource that can be identified in terms of quality and quantity

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4
Q

Re-use

A

Reuseofthesameproductinsame contextoradifferentcontext

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5
Q

Repair

A

The reconstruction or renewal of any part of an existing structure or device

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6
Q

Re-engineer

A

Redesign components to improve their characteristics and performance (speed, energy, consumption)

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7
Q

Recycle

A

Usingthematerialsfromobsolete products (waste) to create other products

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8
Q

Recondition

A

Rebuilding a products so that it is in a “new” condition

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9
Q

Dematerialisation

A

Reducing the quantities of materials used in a design

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10
Q

Raw Material Recovery

A

Separating the component parts of a product

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11
Q

WEEE Recovery

A

Like raw material recovery, but from electronic systems and components

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12
Q

Energy Recovery (Waste to Energy)

A

Process of generating energy (electricity/heat) from primary treatment of waste

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13
Q

LCA

A

Assessment of environmental impacts of a design

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14
Q

Circular Economy

A

Resources remain in use for as long as possible (maximising value)

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15
Q

Embodied Energy

A

Total energy required to produce a product

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16
Q

Local Combined Heat and Power

A

Generating electrical and thermal power from a single fuel source

17
Q

Individual Energy Generation

A

Small-scale generation of heat and electric power by individuals

18
Q

Electrical Battery

A

Two or more electrochemical cells that convert stored chemical energy into electrical energy.

–> Portability

19
Q

Incremental Solutions

A

Improved anddeveloped over time leading to new versions and generations

20
Q

Radical Solutions

A

A completely new product is devised by going to the roots of the problem

21
Q

System-level Solutions

A

Addresses the problem as the whole concerned with the interrelationship rather than individual elements

22
Q

Green Design

A

Improves existing products by redesigning aspects of it to address environmental objectives

23
Q

Prevention Principle

A

The avoidance or minimisation of hazards and waste

24
Q

Precautionary Principle

A

The anticipation of potential problems in relation to the environmental impact of the production, use and disposal of a product

25
Q

Eco Design

A

More comprehensive approach: materials, energy, pollution/waste

26
Q

Cradle to Grave

A

Considers the effect frommanufacturetousetodisposal

27
Q

LCA

A

Preproduction,Production,Distribution, Utilisation, and Disposal

28
Q

Designfortheenvironmentsoftware

A

Allows designers to perform LCA

29
Q

Environmental Impact Assessment Matrix

A
  • Water, soil pollution and degradation
  • Air contamination
  • Noise pollution
  • Energy consumption
  • Natural Resource consumption
    –> Effects on ecosystems
30
Q

Converging technology

A

Synergistic merging of nanotechnology, biotechnology, information and communication technologies and cognitive sciences

31
Q

Lithium Polymer

A

Rechargeable power source in portable electronic devices. Advantages: Low maintenance; High energy density; Higher level of safety compared to others

32
Q

Lithium Ion

A

Rechargeable power source in portable electronic devices. Advantages: Lightweight; Low-maintenance; High energy density

33
Q

Lead Acid Battery

A

Provide high current for cars and machinery. Advantages: Low maintenance; Capable of high discharge rates; Inexpensive to manufacture

34
Q

Nickel Cadmium

A

Rechargeable power source for portable devices like power tools, radios and medical equipment. Advantages: High number of charge/discharge cycles; Simple and safe transportation; Fast charging and long shelf life

35
Q

Nickel Metal Hydride

A

Electric vehicles and digital cameras. No transportation regulations; Higher capacity compared to NiCad; Higher voltage.

DT SL (6 decks)

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