Custom House Community Urban Agriculture (CHcua) Technical study

BETWEEN DIGITAL AND PHYSICAL

Name: Wonyoung Jeong Diploma 20 Tutor: Pablo Zamorano

Content 5-8

- Project Introduction

9-14 - Choice of Material 15-20 - Limitation of Material 21-28 - Physical Analysis 29-34 - Digital Analysis 35

- Conclusion

Project Introduction

In this TS (Between Digital and Physical), I aim to explore on the light conditions of one set internal space, and to see how I could possibly amplify the internal lighitng condition by introducing certain material.

Also I intend to analyise the materials possibility thorugh physical analysis first through certain hypothesis, and move on to digital analysis to adjust to more efficient option.

Choice of Material

This shows the current state of the internal environment that i want to test the project out in. In order to maximise the natural light into the internal space, it is nesessary to get rid of some existing components.

Project Introduction

Residential block above Adjustment: None

Concrete slab Adjustment: cut down the concrete slab until the residentail blcok

Concrete beam Adjustment: Get rid of it, as it no longer bare any weight above Squre panel frame Adjustment: Reduce number of frames

Squre panel frame Adjustment: Reduce number of panels to fit the frame

Insulation between two wall Adjustment: apply enough insulation to allow hit to be captured inside

Insulated glazing or transparent material to allow full sunlight into the structure

Project Introduction

Sun light trajectory 5PM

4PM

3PM

2PM

12PM 1PM

Section below

9AM 10AM

11AM

11AM

12PM

01PM

02PM 03PM 04PM 05PM

06AM

Summer sun path 06PM Winter sun path

05AM

Temp: 18.5°C

Temp: 19.0°C Temp: 19.5°C

Temp: 20.0°C

Temp: 20.5°C Temp: 21.0°C

Temp: 22.0°C Temp: 23.0°C

Temp: 24.5°C Temp: 26.0°C

51 Freemasons Road

The internal space has been reconfigured to allow the natural sunlight into the space. From this section and plan, you can see the amount of sunlihgt that can enter the interior in different time of the day.

Project Introduction

After reconfiguring the base internal space to allow the light into the space, I went on and built small internal space model to test the light condition of the interior.

After analysing the internal space, I will look into some of the references to see how it was implmented in those projects, and implement to the design.

Choice of Material

9am light radiation level

11am light radiation level

01 pm light radiation level

03 pm light radiation level

05 pm light radiation level

Choice of Material

The model is made to test out the lighting condition in real life based on previously studied light radiation using grasshopper and ladybug.

Choice of Material

150000 Lux

142000

100000 Lux

87000 55000

50000 Lux Minimum light required for plantation

30000

0 Lux

0

Summer Lux level Winter Lux level

6000

Summer

Sun path direction

6AM

8AM

10AM

Winter

Viewpoint

Choice of Material

158000

150000

111000 70000

63000 50700 36000 0

12PM

2PM

4PM

6PM

Although the roof of internal space has been removed in order to allow as much sunlight into the space, as you can see the light does not fully light up the internal environment.

In order to amplify the light in the interior, I would have to choose the material which are highly reflective to reflect light althrough the interior.

Some parts of the interior will require different light conditions, therefore it is important to choose the material which are both flexible and highly reflective.

Choice of Material

SOFTLab’s Mirror Mirror installation

Heatherwick studio, Aberystwyth Artist Studios

Reflective aluminium

Reflective copper

Reflective foam

Aluminium foil

Choice of Material

MATERIAL CHOICES

Ring Mirror by Arnaud Lapierre

REFERENCES

Salone del Mobile Milan

After choosing the materials, in this chapter, I will explore applying different shapes of iterations in order to enhance the internal lighting conditions.

Also thorughout these experiment, I intend to find pros and cons of each of the iterations to work out how I could amplify the lighting by stragically placing different iterations in space

Limitation of Material

6AM

Flat reflective surface

Light coverage in space: 45 Intensified space: 15%

6AM

Angled reflective surface

Light coverage in space: 3 Intensified space: 15%

6AM

Curved reflective surface

Limitation of Material

Light coverage in space: 8 Intensified space: 0%

5%

30% %

80%

10AM

2PM

6PM

Light coverage in space: 70% Intensified space: 35%

Light coverage in space: 70% Intensified space: 35%

Light coverage in space: 50% Intensified space: 0%

10AM

2PM

6PM

Light coverage in space: 45% Intensified space: 30%

Light coverage in space: 45% Intensified space: 30%

Light coverage in space: 40% Intensified space: 0%

10AM

2PM

6PM

Light coverage in space: 90% Intensified space: 0%

Light coverage in space: 90% Intensified space: 0%

Light coverage in space: 50% Intensified space: 0%

Limitation of Material

Video of each iterations in different time of the day

Limitation of Material

Iteration 01: Flat reflective surface which reflects the light truly.

Pros: It reflects the light truly all through out the internal space Cons: it cannot cover all of the area within the room at same time Flat reflective surface

Iteration 02: Angled reflective surface which concentrates light in smaller area Pros: The intensity of the light is high Cons: Only able to cover small area at one time Angled reflective surface

Interation 03: Concave reflection which difuses the light within the internal space Pros: When light is reflected, on concave surface allows the light to reach everywhere within the space

Curved reflective surface

Cons: Light intensity is very low

Limitation of Material

Limitation of Material

As I have explored the limitation of the material in the previous chapter, now through the physical analysis, and exploring the possibility of the material, I will try and build the optimal internal environment The aim of this chapter is to set up the base physical analysis before the digital analysis to test the limitation of the material and further enhance the outcome.

Through the physical analysis, I will set up the hypothesis on how the light might work within differently layed out reflective surfaces in internal space

PHYSICAL ANALYSIS

Material used: aluminium foil The material is highly reflective, and also allowing light to be reflected in every direction freely. However it is very thin, and can get cringe very easily. Therefore in order to use this material, it had to be reinforced with something at the back to hold the shapes.

Flat reflection

Concave reflection

Convex reflection

concave and convex reflection

Original internal space

Splitting internal space into 4 segment

The area of internal space is 6m x 20m (120sqm). The intention is to seperate the intenal space by providing different light condition.

Seperating the internal space into 4 segment, and all of the space needs to have different size to vary the activities within the area

Driving Constraints

Small Cocentrated lighitng

Large Cocentrated lighitng

Small Difused light

Large Difused light

Providing different light condition within space

Locating reflective surface within internal space

Each “zone� has different light condition provided: concentrated light or diffused light

By combining concave and convex shapes of reflective surface, it is able to provude different light condition ot these spaces

Driving Constraints

Light radiance from reflection plan

Light radiance from reflection Section A

Light radiance from reflection Section B

Light radiance from reflection Section C

This is the hypothesis of how i think the light would work within the internal space. further to this hypothesis, I will build physical model (1:200) of the internal space and test out reflections to figure out if the hypothesis were correct

Driving Constraints

09AM WIthin the zone 04, the light starts to reflect off both concave surfaces concentrating the light into the center. However other zones is not effected by the sunlight yet

11AM Zone 3 has similar effect within zone 4 as it consists of the concave reflection as well. Also within zone 02 and 01, you can see the light is starting to be diffused

01PM Zone 04 now reflects less lighting. and zone 01 02 03 now reflects and diffuses more lighting through the internal space.

03PM Every zone reflects the light on its own characteristic.

05PM Even with small amount of lighting the reflective surfaces are capable of lighting up the internal space

Driving Constraints

Video analysing the light direction, and the internal light conditions within each zone.

Driving Constraints

After the physical analysis and some tests, it was time to move on to the digital analysis using grasshopper, ladybug, and honeybee.

Prvious to the digital analysis, most of the work was based on guessing the reflection, however by using these programes, it can becomes easier and more accurate on where to place these reflective surfaces, and to find out how effective the surfaces are in bringing as much natural light in to the internal space.

DIGITAL ANALYSIS

Curve where points are controled within

Number of variable which can be generated

Number of points within the curve

Grasshopper script to randomly generate the pathway of reflective surfaces

(previous) Physical placement of reflection End point

Curve where points are controled within

Point within the curve to contol path Starting point

Digital Analysis (Grasshopper random generation script)

Grasshopper script to randomly generate the pathway of reflective surfaces The limitation of movement on the surfaces are quite strict. This is because, within internal space, I didn’t wnat the new surface to break the 4 different area zone. (zones are seperated depending on the light condition)

Plan view of only generated surfaces

(Location of the space: London Newham, Custom House) In order to get the correct environmental analysis from the “LADYBUG”, Choosing the right location is essential

Iso view of generated and extruded surface

As the whole project is about allowing as much natural sunlight to be reflected inside of the space, I was only intereseted in finding out the “Direct Normal Radiation” which shows the hourly direct normal radiation in Wh/sqm Downloading the correct location data from ladybug, It contained the temperature, and sun direction change in every hourly bases

sun temperature study Digital Analysis (Ladybug environmental analysis)

Sun lux study

Internal space Lux level without reflective surface

Internal space Lux level with reflective surface

Total Radiation

Script for random surface generation

Script for sun path study of specific region

Script to get accurate radiation analysis

Digital Analysis

Conclusion Through out the making of this booklet, and all the lectures, I have learnt a lot on processes that takes place in designing the building, and finally contructing them.

I have also learnt that physical analysis and digital analysis should always go togather in order to further enhance the complex design and to allow the design to function as it was intended to do.

At first, I strated off the design with physical analysis only, making hypothesis as testing the model with inaccurate sunlight path. I was not sure the lux level within the interior, and did not know exactly how the reflective surface would work in reflecting the light in different direction.

After analysing the design with digital programmes such as grasshopper, ladybug, and honeybee, it made the design so much more easier to be adjusted and be more efficient.