Latest Development Trends of Window Insulation Transparent Films and Measures Against Thermal Cracking and Condensation, along with Calculation Methods
S50221
Learn the calculation methods, measurements, and estimation techniques for energy-saving effects necessary for calculating thermal transmittance and shading coefficients.
【Venue】 Tokyo Chuo Ward Industrial Hall, 4th Floor, Meeting Room 2 【Tokyo, Chuo Ward】 【Date and Time】 February 24, 2015 (Tuesday) 13:30-16:30 【Instructor】 Mr. Kimiyuki Shingu, Shingu Environmental Consulting *Also serves as a technical advisor for the Chemical Products Division at Teijin Frontier Co., Ltd.
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basic information
**Lecture Summary** Due to significant advancements in global warming and the instability of Earth's weather, various proposals and implementations have been made to reduce the use of Earth's resources and decrease electricity consumption. Currently, regarding "heat-insulating and heat-shielding materials for windows," in addition to improvements in window glass structure, there are structural modifications that can be added later and sunlight adjustment through window films, with a wide variety of energy-saving technologies being marketed. Among these, this presentation summarizes the latest development trends and comparisons of energy-saving effects of "heat-insulating and heat-shielding transparent films for windows," as well as issues after installation such as thermal cracking and condensation measures. It compiles the annual energy-saving effects of various proposed window films in relation to the revised energy-saving law aimed at zero-energy houses, along with usage points categorized by type, and discusses simple calculation methods for identifying issues. Depending on the application and method of use, it is necessary to select and improve performance in response to issues such as condensation and thermal cracking, particularly in relation to the heat-shielding capabilities of window films and the reduction of heating loads in winter, tailored to regional climates. The presentation will also describe the calculation methods necessary for thermal transmittance and shading coefficient calculations, as well as the formulas and methods for calculating glass temperatures when assessing the presence of thermal cracking or condensation, summarizing the effectiveness of window films required for future changes in window forms.
Price information
Applications made after February 14 will be 46,440 yen (including tax and text costs).
Price range
P2
Delivery Time
P2
Applications/Examples of results
1. Insulation of windows for energy conservation 2. Characteristics of window glass 3. Performance comparison of window film market products 4. Required performance of window film 4-1. How to read catalog values 4-2. Shading coefficient and visible light transmittance / solar transmittance 4-3. Heat insulation and thermal insulation properties 4-4. Durability evaluation methods and necessary items 5. Energy-saving effects of heat-insulating/thermal-insulating window films (from the Ministry of the Environment's heat island countermeasure demonstration test data) 6. Window performance 6-1. Influence of window frames 6-2. Effects of window structure and window film 7. Energy-saving estimation methods 7-1. Estimation of solar characteristics when applying film (conversion from catalog values) 7-2. Estimation with multi-layer glass 7-3. Estimation with composite glass 7-4. Simple energy-saving effect estimation 7-5. Measurement and calculation of perceived temperature 8. Precautions for window film 8-1. Construction precautions 8-2. Thermal breakage and estimation calculation methods for thermal breakage 8-3. Calculation formula for the temperature at the center of the glass 8-4. Thermal breakage phenomenon and estimation of the usage limits of window film 8-5. Precautions regarding thermal breakage phenomenon 8-6. Calculation method for estimating condensation occurrence 8-7. Condensation countermeasures for insulating types 9. Future utilization of window film / Summary
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