จำนวน Repository ( 4 )
ผนังปลูกพืชจากใบสักเพื่อเป็นฉนวนกันความร้อนให้กับอาคาร
At present global warming is a major problem that needs to be addressed and mitigated. The problem arises because human housing construction is increasing. The surface of the soil which is a source of vegetation was scattered by the building. The impact of the construction resulted in higher overall temperatures. This is caused by the heat accumulated in the building material. Particularly for building materials that have been exposed to direct sunlight this has had an impact on the comfort of the occupants in the building. This research is an experiment to make a wall of plants from a tattoo. The natural plant material was planted to study the solar radiation efficiency of the planting wall of the tattooed leaves installed on the test box. Based on the analysis of the data it can be concluded that the test wall covered with vegetation leaves the temperature lower than that of the other walls. Different test walls make different internal and external temperatures. Sun radiation affects the test wall temperature varying according to the amount of sun radiation received. Observed by changing internal and external wall temperatures at different intervals. Use plants to protect the walls to prevent heat by keeping the walls under the shade of the plant. It also radiates heat through the leaves. Leaves are a thermodynamic variable that is cooled down by the evaporation of leaves. Plants on the wall will absorb the water inside to evaporate. The temperature of the tree is cool. When combined with the airflow through the wall the shade will blow the hot air under the leaves and the water vapor from the dehydration process of the plant. The heat from the tree wall to the environment is better. As a result the internal temperature decreased.
แผนฉนวนกันความร้อนจากใบสักเพื่อลดความร้อนให้กับอาคาร
This research aims to investigate and test the feasibility of the production of natural teak sheets and study the appropriate production methods. Study physical properties and mechanical properties to compare with industry standard insulation sheet. The ratio of tattoo and hyacinth. 5% 7% 9% of the material were dried at 400 600 800 kg / m3. The results showed that the modulus rupture. Elastic modulus And thickness swelling. It varies with the amount of glue. The nature of the tattoo causes absorption in the material if the density increases the water absorption will decrease. Compared to standard insulation products. The amount of adhesive is 7% of the weight of the material when dry. The density of 800 kg / m 2 is 25 kg / cm2. 140 degree Celsius ruptured modulus and elastic modulus But the thickness of the swelling has not met the criteria. In the next production should be mixed waterproofing in the work.
การออกแบบกระเป๋าสตรีด้วยผ้าแคนวาสย้อมสีจากใบสักแห้ง
The purposes of this special project were 1) to study dying process of canvas fabric from dried teak leaves 2) to design women’s bags with dyed canvas fabric from dried Teak leaves and 3) to study satisfaction of respondents towards women’s bags with dyed canvas fabric from dried Teak leaves. The procedures has 4 stages follows as; dyed canvas fabric from dried Teak leaves designed women’s bags made prototype product and survey satisfaction of respondents towards bags. Data collected from sample of 120 women by questionnaire. Analyses of the data were performed with frequencies percentage and mean. The results showed that most of the respondents were age below 25 years (92.50%) status of single (93.33%) bachelor degree education level (80.00%) monthly income 5000 baht or less (57.50%) place of questionnaire response at Ruenpanya Building RMUTP (83.33%). The respondents satisfied to women’s bags overall was very satisfied level (4.46). Mean of each bag was extremely satisfied level and sorted from the high mean as follows; bag style 4(4.53) bag style 3 and bag style 5 (4.51 as equal). More suggestion to product prototype was more decoration and had a small bag inside for keep coins.
Influence of the mordant on dyeing properties of cotton yarn with natural dye extracted from teak leaves
The objective of this research was to study influence of five different kinds of the mordant copper sulfate (CuSO4) ferrous sulphate (FeSO4) alum and chitosan on dyeing properties of cotton yarn with natural dye extracted from teak leaves. Cotton yarn dyeing with the extracted dye from teak leaves was carried out at 60?C for 30 minutes with a material to liquor ratio of 1:5. Three mordanting methods such as pre mordanting simultaneous mordanting and post mordanting were used. After that dyed clothes were subjected to measurement using CIELAB system and fastness tests. The effect of kinds of mordents on the hue of dyeing of cotton yarn shown that CuSO4 FeSO4 gave greenish yellow and yellowish brown respectively. While as alum and chitosan gave violet red. Moreover using CuSO4 (pre mordanting or simultaneous mordanting) and FeSO4 (simultaneous mordanting) improved fastness properties to light better than without a mordant.