Lambourne J_Seaweed as an Insulation - Thesis Presentation

An Investigation into Seaweed as a potential Building Insulation product c12700655 Jack Lambourne T9 - Final PresentationIntroduction

Seaweed/Seagrass Types, descriptions & Characteristics

Site Visit - Spiddal, Co.Galway - Harvesting Seaweed

Comparing Existing Insulation - Sheep’s Wool, Hemp Wool & RockWool

Primary Testing - Using GaBi to Perform a Life Cycle Assessment on Seaweed Manufacturing

Conclusion & Future Application

Overview“Sustainability is the capacity to endure; it is how biological systems remain

Seaweed is a natural, sustainable material that can be easily obtained from . I m

mm m . T m -ods have discovered the various uses of it in several industries such as hu-man food, seaweed baths, cosmetics, agricultural fertilizers, liquid seaweed

m m . M -search examines seaweed as a potential building insulation based on existing

m m G m D m . I - I m m T I

m . I .

M I . T m . T m mm m

A m. A m mm m m m I m C M . A -

m mm I - .

AimT m

. I m m m

m . A 100 -ural material, it would require virtually no energy to produce, having a positive

. T m m .

Brief History on SeaweedSeaweed refers to several species of macroscopic, multicellular, marine al-

. T m m m m . S

m . . T .

Objectives

I m appropriate characteristics required to function as a building insulation .

C I m termine the characteristics of each seaweed as a possible building insula .

C m N m IR .

D which are to be tested for its thermal conductivity, thermal resistance and -V .

• Develop a seaweed based building insulation product based on existing m m .

MotivationM m m m m m

. I m G . T -

m m m . I m m m

it was possible to establish traditional methods to use natural resources given . A m m m

I m . F m m m

. T - m m CH . T m I

gain from him is very useful from an energy & sustainability perspective on my . T

.S m . T -

m m . S -

m m - . T m m m . S

MethodologyI

m LCA . I m m -

al has the characteristics necessary to be utilised as an insulation product m m m . I

m m -ation until its end through various thermal energy tests and data already

. A BIM M R m m S H L . T m

used to form the structure piece by piece to fully engage with the use of the .

M m S H m W R . T m

m . I m -

. B m - R H m

100mm. I m V m . T m

m m m . T m m m . T

existing thermal properties of sheep’s wool, hemp wool, Neptutherm, Eel- R m

Another section was showing in detail the main testing methods that were m I -

. S m m than others but are all crucial in the development of the research under-

. T m m . O -

er tests include the use of a hot box to calculate thermal conductivity and -V .

T m . m

myself personally and the external testing involves several companies aid- m . T m C

T m V . E - .

Example of an existing seaweed - Kombu

Example of an existing seaweed - Posidonia Oceanica (Neptune Grass)

Seaweed is used globally in the food industry & for pharmaceuticals

EelgrassI S K m m -nates sandy and muddy sediments in coastal areas of low to moderate wave

. I m S m 2-4 m . I 5-35 . T

m . I M S H .

T m L . T

m . I m - m . A -

cle analysis was carried out on this material to characterize it as an insulation m .

External View of Seaweed House

Floor Construction 0.09 W m

25 180 mm 2 45 mm 90 mm m insulation between;

E m 245 mm 12 mm m - 45 195 mm m.

1:20 Section through Wall & Roof

Roof ConstructionR 0.11 W mR

. 300 mm -tal, 2 30 mm 25 45 mm boards, 21 121 mm -tion in-between,245 mm m m OSB-3panel, 12 mm 3.2 mm seaweed insulation, 100 mm - covering; cotton inner iayer rendered

Detail of Wall and floor connectionDetail of wall and floor connection at front elevation

Exploded View of the Wall Build-up

IntroductionT -

m . M m m M E N I G

T W I . I m m

m mm I . T m mm I m A m N -

m E W L m D K F V B W .T -

. W - m . T

m 20 m m . T . I m -

T m S C G m . T m m

NUI Galway

Map of Ireland Showing location of Spiddal, Co. Galway

Location map of Spiddal, Co. Galway showing the harvesting site

Risk Assessment Report from the site visit to Spiddal, co. Galway

Photo of Bladder Wrack Egg Wrack growing over rocks

The Martin Ryan Institute building in NUI Galway

NUI Galway campus map showing location of Martin Ryan Institute

Close up of Bladder Wrack Ripe Egg Wrack Demonstration of Seaweed cutting

My harvesting of the seaweed Cutting the egg wrack myself Placing it into a harvesting bag

Seaweed continues to be cut 25000 tons harvested annually Seaweed is pulled as long as 1.5m

View of seaweed beside the lake View of harvested seaweed Close up of the kelp on the beach

Example of a seaweed holdfast Close up of Egg Wrack

3D Overall Render of the Modern Seaweed House

3D of Roof & Floor Junction

View of the Constructed Modern Seaweed House, Laeso.

Roof Construction 0.11 W m

R . 300 mm -

tal, 2 30 mm 25 45 mm boards, 21 121 mm -lation in-between,245 mm m m OSB-3panel, 12 mm 3.2 mm seaweed insulation, 100 mm - covering; cotton inner iayer rendered

Wall Construction 0.14W m2

150mm N S 45mm 150mm m 25mm 45mm V L 245mm E S 12mm OSB 25mm H L 25mm V B

3D of Roof Apex

Harvesting Egg Wrack, Kelp and Bladder Wrack

Mixture of Seaweed Types on the beach

As part of my research into seaweed as a potential insulation product, it is import- m m . O I

focused on hemp wool insulation in a structural panel and analyzed its thermal m .

I m -V 0.44 W m2K. A -face humidity, there is estimated to have no hint of mold growth in this particular

. A m m- mm m . T m

. M m - .

As part of my research into seaweed as a potential insulation product, it is im-portant to be able to compare it to existing products in the Various calculations

-V 100mm m . T m

I S -V 0.35 W m2K. A surface humidity, there is estimated to have no hint of mold growth in this par-

. A m m- mm m . O

As part of my research into seaweed as a potential insulation product, it is import-ant to be able to compare it to existing products in the Various calculations have

-V 100mm - m . T m -

I R -V 0.36 W m2K. A -face humidity, there is estimated to have no hint of mold growth in this particular

. A m m - mm m . A m

Thermal Conductivity : 0.039 W m2K

Density : 25 m3

Fire Resistance Class : B2

Available thickness (mm) : 160 180 220 300

Density : 45 m3

Fire Resistance Class : A1

Available thickness (mm) : 30 40 50 60 5 100

Density : 35 m3

Fire Resistance Class : E

Available thickness (mm) : 50 5 100

Hemp Wool Panel Rock Wool Panel Sheep’s Wool Panel

Characteristics Characteristics Characteristics

Sample consists of plywood panels either side Sample consists of plywood panels either side Sample consists of plywood panels either side

Analysis of Interstitial Condensation & Humidity Analysis of Interstitial Condensation & Humidity Analysis of Interstitial Condensation & Humidity

Interstitial Condensation per calendar month Interstitial Condensation per calendar month Interstitial Condensation per calendar month

Primary Testing - Preliminary Testing - Bladder Wrack , Egg Wrack & Kelp - Fire & Porosity Tests

BuildDesk SoftwareB D

B R E -m C .

I C R A CRA m m .

• Easy-to-use and graphically oriented for the fast assessment of build m .

• Extensive database containing generic as well as branded building m .

I m B D - . I -

formation regarding key aspects of building physics, such as calculation of m C R A .

Condensation Risk AnalysisT B D m C R A

BS5250 2002 BS EN ISO 13 88 2002 -sesses the risk of both surface and interstitial condensation occurring for

. m - - . I

m m m . C the design in the U-value calculation automatically update the condensation

m mm .

R mm m m. T mm m -

m m BS EN 13 88 2001. A tick and text indicates a passed assessment whilst a red exclamation mark

m m . A m mm shows the likely position of any condensation in a simple section through the

. M m .

OverviewM m S H m W R . T m -

m - . I m

. B m R H m 100mm.

I m V m . T m m m m . T m -

m m . T -isting thermal properties of sheep’s wool, hemp wool, Neptutherm, Eelgrass

R m I .

Example of Saturation Pressure and Vapour Pressure

A m I m LCA .

F m G B I m . T is an important step in the long run of analyzing the potential of seaweed

L C A m

• Design for Environment E - • Eco-design

A GW C 2 m m m m . 56 C 2e was pro-

KG . T m m- m .

W m -m 1.84 M . T

T m . I 1.42 KG . T m m 250 KG .

W m 2.2 S 2 KG. T m

T m L I . T m -tential, photochemical ozone potential, energy consumption and water consump-

. T m m . T m N -m S I .

T m m m . B

m . I . I m -

m m m .

T m C 2 m . T G B . S m m

m m G B . T results from this assessment will then be compared directly to existing materials

R W H m W .

Main Results from Life Cycle AssessmentBody of Content generated from GaBi software

The comparison of Global Warming Potential to existing insulation

The comparison of Photochemical Ozone Potential to insulations

The comparison of Energy Consumption to existing insulation

The comparison of Water Consumption to existing insulation

Carbon Dioxide contribution of the manufacturing process - Inputs

Carbon Dioxide contribution of the manufacturing process - Outputs

Main gases contributing to GWP in seaweed insulation production

Pie chart of Co2 contributions in the manufacturing process Carbon Dioxide Output Emissions based on 1 tonne of harvested seaweed

Proposed plan and process to manufacture seaweed insulation based on 1 tonne of seaweed production

Plan and process for seaweed insulation based on 1 kilogram of seaweed The comparison of GaBi Results to existing insulation materials

Overview of GaBi plan & processT G B m L C A m LCA m S I . S m m

m m m m G B m m M E LCA -

S . T C G G D C C

m . . T m -

. A m m m - . A S

W 100 m

W W 180 m

Note: T bladder wrack increased its

80 m .

W 100 m

W W 140 m

Note: T wrack increased its weight by 40 m .

W 100 m

W W 120 m

Note: T 20 m

Fire Resistance test

Note: W K - 5

Note: W E W 20

Note: W 5 . W .

Fire Resistance tests of Seaweeds

Porosity tests of Seaweeds

Results

Bladder Wrack is Prepared Water is added to the sample The weight is recorded

Egg Wrack is Prepared

Kelp sample is Prepared

Kelp & Lighter are used The effects of the lighter The sample is severely weak

Egg Wrack & Lighter are used

BladderWrack & Lighter are used The lighter is used on sample

The sample is weighted

The sample is weighted Water is added to the sample

The weight is recorded

The lighter is used on sample

The effects of the lighter

The sample is severely weak

Results

The sample is packed away

The end result of the sample

REF. REF.

13 m²KITCHEN

2 m²W.C.

20 m²LIVING ROOM

13 m²KITCHEN

20 m²LIVING ROOM

2 m²W.C.

2 m²CLOSET

5958 5958

Comparing the calculated U-Value of all tests

Comparing the Average Thermal Conductivity of all tests

Comparing the Average Delta T of all tests in Celsius °C

Comparing the Average hot chamber temperatures of all tests

Comparing the Average cold chamber temperatures of all tests

Kelp U-Value Calculation

Egg Wrack Calculations Bladder Wrack Calculations Kelp Seaweed Calculations

The Egg Wrack is loaded into the plywood panel until it is full The Bladder Wrack is loaded into the plywood panel until it is full The Kelp seaweed is loaded into the plywood panel until it is full

T m - . T

m 80mm m . T m m . E m

. T into two sections, a hot chamber (meter chamber) and a cold chamber

m m . B m m m m . A L m -

m m . A thermostat will be placed in the meter chamber and set to a suitable tem-

m m 10C m m . T m

m m m-. T T m C

m m . T . T

E W B W K .

Construction of Hot Box & Use

Exploded 3D model of the Constructed Hot Box with the 600 x 600mm Seaweed PanelPlan view of the Hot Box with the Plywood Panel 600mm Plywood Panel

Exploded 3D View of the 600 x 600mm Plywood Seaweed panel

3D of the Hot box Model

Another method of testing the thermal conductivity of the various types of C m C T m C . I -

m . T m m

m m . I m

m . I C T m m m

m . T seaweed behaves and will help greatly in understanding its potential as

. M C T m samples to test under three forces of compression and a generate a ther-m . C T m m

m . T m -.

SummaryT C-T m TC T m C A

m m K S N H - T m A A A MIC. T

technology has since been broadly applied by clients the world-over in m N m SWCNT

MWCNT m m m m - m m

WI S A m m C T m

. I m . I - C T m A S C M C .Comparing Primary & External Thermal Conductivity Test Results

The average thermal conductivity of all 3 compression tests Thermal Conductivity results to existing products (C Therm)

U-Value results to existing products (C Therm)Comparing Primary & External Thermal Conductivity Results

As regards future work and application, the next stage would be to test the thermal conductivity of the seaweed samples in an industry sized panel . . 6m 3m m m 600 600mm

. A m - . T

E 600 600mm T -m C . T m

m . T 2.4 KG 2.2 KG

1.4 KG. m m 6m 3m

100mm . F m m 25 000 I . BIM m -

Overview

3D Cut section through the two-storey house showing seaweed in the walls

3D BIM Model of housePlan of two-storey house with seaweed integrated into the walls 3D Section through typical wall of house

Calculations/Estimations of all seaweed quantities required

Estimated weight of a 3m x 6m x 100mm thick panel of seaweed Estimated seaweed weight of a typical 57m2 Two storey dwelling

Estimated weight of a 3m x 6m x 200mm thick panel of seaweed

Estimated weights of seaweedExtracted BIM Model 3D Views

Bladder wrack U-Value CalculationEgg wrack U-Value Calculation

BIM Model 3D Views

Constructed Hot BoxPlan of Constructed Hot Box

The average thermal conductivity of all 3 compression tests

Case Study - Modern Seaweed House, Laeso, Denmark

OverviewI 2013 m I L D -m . I I

. I C V A mm R B

D . T L I

. O m 20 . T m -

m . H m m -

m . O were covered in eelgrass on the roof, giving the appearance of a messy hair

T m m . T

a new door to considerable evidence based information and data of it and its m . T - . I

used on the roof where it is bundles into sacks or nets which are attached by .

A façade system was developed by making eight six panels which slot into . A -

m m . T m

. T . A m . T -

T m m . A LCA . T m

8500 C02. A - m m m

D m m .

Types of Seagrasses Types of Irish Seaweeds

NeptuthermH N M -

m . T - m .

- mm m . T m m . T G m m

Neptutherm then took advantage of this and produced a blown in insulation N . H .

A huge step in the processing of these balls is removing the sand from its . T m . I - G m .

3D of Wall and Floor Junction

Plan of the Modern Seaweed House, Laeso, Denmark

Egg WrackI I m

. F m m m .

I E W A m N m.

T m m I M B m G . S m N S C m

. M m I - . R E N G

will be fascinating to see if a seaweed can perform to the same standard acting .

Bladder WrackF mm m -

N S B - S A O mm

names black tang, rockweed, bladder fucus, sea oak, black tany, cut weed, . I

1811 .

T F. 90 m 35 2.5 m 1.0 m m . I -

- . I m which are usually paired, one on either side of the mid-rib, but may be ab-

Primary Testing - Thermal Conductivity Tests Using a Hot Box - Results

Primary Testing - Construction of the Hot Box & the BIM Model

Egg Wrack Bladder Wrack Kelp Overall Results

Average ΔT(°C) - Egg Wrack Average ΔT(°C) - Bladder Wrack Average ΔT(°C) - Kelp seaweed

Average overall temperature - Egg Wrack Average overall temperature - Bladder Wrack Average overall temperature - Kelp seaweed

Average temperature per day in the Hot Chamber Average temperature per day in the Hot Chamber Average temperature per day in the Hot Chamber

m . I .

m mm I - .

AimT m

. I m m m

. T m m .

. T m m m m . S

m . . T .

Objectives

C m N m IR .

. I m G . T -

m m m . I m m m

I m . F m m m

.S m . T -

m m . S -

m m - . T m m m . S

MethodologyI

m LCA . I m m -

M m S H m W R . T m

m . I m -

. B m - R H m

m m m . T m m m . T

. T m m . O -

T m . m

T m V . E - .

. I m S m 2-4 m . I 5-35 . T

m . I M S H .

T m L . T

m . I m - m . A -

E m 245 mm 12 mm m - 45 195 mm m.

IntroductionT -

m . M m m M E N I G

T W I . I m m

. W - m . T

m 20 m m . T . I m -

T m S C G m . T m m

NUI Galway

R . 300 mm -

3D of Roof Apex

. A m m- mm m . T m

. M m - .

-V 100mm m . T m

. A m m- mm m . O

-V 100mm - m . T m -

Density : 25 m3

Density : 45 m3

Density : 35 m3

B R E -m C .

I C R A CRA m m .

I m B D - . I -

. m - - . I

m mm .

R mm m m. T mm m -

. M m .

m - . I m

. B m R H m 100mm.

R m I .

A m I m LCA .

L C A m

KG . T m m- m .

W m -m 1.84 M . T

T m . I 1.42 KG . T m m 250 KG .

W m 2.2 S 2 KG. T m

. T m m . T m N -m S I .

T m m m . B

m . I . I m -

m m m .

R W H m W .

S . T C G G D C C

m . . T m -

. A m m m - . A S

W 100 m

W W 180 m

80 m .

W 100 m

W W 140 m

W 100 m

W W 120 m

Note: T 20 m

Note: W K - 5

Note: W E W 20

Note: W 5 . W .

Results

REF. REF.

13 m²KITCHEN

2 m²W.C.

20 m²LIVING ROOM

13 m²KITCHEN

20 m²LIVING ROOM

2 m²W.C.

2 m²CLOSET

5958 5958

T m - . T

m m 10C m m . T m

m m m-. T T m C

m m . T . T

E W B W K .

m . T m m

m m . I m

m . I C T m m m

m . T m -.

MWCNT m m m m - m m

WI S A m m C T m

. A m - . T

E 600 600mm T -m C . T m

m . T 2.4 KG 2.2 KG

1.4 KG. m m 6m 3m

100mm . F m m 25 000 I . BIM m -

Overview

BIM Model 3D Views

. I C V A mm R B

D . T L I

. O m 20 . T m -

m . H m m -

T m m . T

m m . T m

. T . A m . T -

T m m . A LCA . T m

8500 C02. A - m m m

D m m .

NeptuthermH N M -

m . T - m .

Egg WrackI I m

. F m m m .

I E W A m N m.

. M m I - . R E N G

N S B - S A O mm

1811 .

T F. 90 m 35 2.5 m 1.0 m m . I -

m . I .

m mm I - .

AimT m

. I m m m

. T m m .

. T m m m m . S

m . . T .

Objectives

C m N m IR .

. I m G . T -

m m m . I m m m

I m . F m m m

.S m . T -

m m . S -

m m - . T m m m . S

MethodologyI

m LCA . I m m -

M m S H m W R . T m

m . I m -

. B m - R H m

m m m . T m m m . T

. T m m . O -

T m . m

T m V . E - .

. I m S m 2-4 m . I 5-35 . T

m . I M S H .

T m L . T

m . I m - m . A -

E m 245 mm 12 mm m - 45 195 mm m.

IntroductionT -

m . M m m M E N I G

T W I . I m m

. W - m . T

m 20 m m . T . I m -

T m S C G m . T m m

NUI Galway

R . 300 mm -

3D of Roof Apex

. A m m- mm m . T m

. M m - .

-V 100mm m . T m

. A m m- mm m . O

-V 100mm - m . T m -

Density : 25 m3

Density : 45 m3

Density : 35 m3

B R E -m C .

I C R A CRA m m .

I m B D - . I -

. m - - . I

m mm .

R mm m m. T mm m -

. M m .

m - . I m

. B m R H m 100mm.

R m I .

A m I m LCA .

L C A m

KG . T m m- m .

W m -m 1.84 M . T

T m . I 1.42 KG . T m m 250 KG .

W m 2.2 S 2 KG. T m

. T m m . T m N -m S I .

T m m m . B

m . I . I m -

m m m .

R W H m W .

S . T C G G D C C

m . . T m -

. A m m m - . A S

W 100 m

W W 180 m

80 m .

W 100 m

W W 140 m

W 100 m

W W 120 m

Note: T 20 m

Note: W K - 5

Note: W E W 20

Note: W 5 . W .

Results

REF. REF.

13 m²KITCHEN

2 m²W.C.

20 m²LIVING ROOM

13 m²KITCHEN

20 m²LIVING ROOM

2 m²W.C.

2 m²CLOSET

5958 5958

T m - . T

m m 10C m m . T m

m m m-. T T m C

m m . T . T

E W B W K .

m . T m m

m m . I m

m . I C T m m m

m . T m -.

MWCNT m m m m - m m

WI S A m m C T m

. A m - . T

E 600 600mm T -m C . T m

m . T 2.4 KG 2.2 KG

1.4 KG. m m 6m 3m

100mm . F m m 25 000 I . BIM m -

Overview

BIM Model 3D Views

. I C V A mm R B

D . T L I

. O m 20 . T m -

m . H m m -

T m m . T

m m . T m

. T . A m . T -

T m m . A LCA . T m

8500 C02. A - m m m

D m m .

NeptuthermH N M -

m . T - m .

Egg WrackI I m

. F m m m .

I E W A m N m.

. M m I - . R E N G

N S B - S A O mm

1811 .

T F. 90 m 35 2.5 m 1.0 m m . I -

Lambourne J_Seaweed as an Insulation - Thesis Presentation

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Transcript of Lambourne J_Seaweed as an Insulation - Thesis Presentation