流機エンジニアリング List of Products and Services

The industrial dust collector I series is a groundbreaking dust collector that breaks through challenges that have been difficult to overcome with conventional industrial dust collectors, such as "space-saving," "high cleanliness," and "maintenance-free." Centered around our unique filter technology, we customize suitable dust collectors to realize our customers' "wish it could be" ideas. ★We received the "Director-General's Award of the Ministry of Economy, Trade and Industry" at the 45th Excellent Environmental Equipment Awards★ 【Main Features】 - Achieves ultra-high cleanliness compliant with HEPA (0.15μm × 99.95%) - One of the largest pleated filters in the world - Clogging suppression through surface filtration - Powerful clogging regeneration using supersonic impulse shock waves - Long lifespan due to robust molding structure and mounting method - Compact, lightweight, and excellent seismic resistance 【The factory dust collector "I series" contributes to the realization of a sustainable society】 - SDGs Goal 3 "Ensure healthy lives and promote well-being for all at all ages" Target 3.9 "By 2030, substantially reduce the number of deaths and illnesses caused by hazardous chemicals and air, water, and soil pollution and contamination."

【Specific Concerns】 A customer was looking for a filter unit to recover powder (product) in the manufacturing process of nanomaterials. The target substance contained a small amount of corrosive gas, had a large amount of dust, and operated at a high temperature range of 150 to 170 degrees. Additionally, there was a high moisture content, posing a risk of internal adhesion due to condensation, and they had been repeatedly turned down for production. The delivery time was also short, at just 1.5 months, and they were seeking a solution... 【Solution Example from Ryuki Engineering】 - Filter designed for nano powder, with heat and corrosion resistance specifications, and a body made of SUS316 - Switching operation of two filter units as a set (offline) - Insulated jacket specification to prevent condensation We were able to meet the short delivery time, and now we are contributing to environmental improvement. ■ If you have similar concerns, please contact us! ■

Dust collectors, fans and blowers, air conditioning units, etc., available in a wide variety! Since we handle manufacturing in-house, we can offer tailored equipment and facilities even for rental products that meet individual requirements!

This is a case study of our water treatment products introduced to a metal processing factory. The request was to efficiently recover rare metals from high-concentration rare metal-containing water (valuable materials) without reducing their concentration. Previously, multiple processes were carried out using several machines, which was labor-intensive and costly. We consolidated this into one machine using dewatering. The dewatering unit now takes on all the roles of the previously used equipment, achieving significant reductions in installation costs, installation space, and running costs (electricity and maintenance fees). [Case Study] ■ Metal processing factory ■ Request: To efficiently recover valuable materials from containing water ■ Implementation effect: Reduction in installation costs and running costs *For more details, please refer to the PDF document or feel free to contact us.

<Common Issues in Water Treatment and Wastewater Treatment> I want to reduce my monthly water bill... I introduced a system, but the expected effects are... Wastewater treatment is costly... Maintenance requires time and money... ＼Ryuki Engineering Solves These Issues／ Through thorough hearings, continuous field testing, and product customization, we provide tailored "water treatment solutions" for each customer. 【Introducing Water Treatment Products】 ■ Membrane Filtration High-Precision Water Treatment Device ECO Clean: Achieves resource and cost reduction ■ Pleated Dryer Dakkan: High added value through powder drying and solution recovery! ■ Ozone Microbubble O-Mikuron III: Efficiently sterilizes, deodorizes, and decolorizes liquids ★ We are distributing "Case Study Materials" for plating factories, metal processing factories, etc.! You can view them immediately from the 【PDF Download】.

At the inorganic materials handling factory, there were challenges such as "wanting to proceed with production efficiently," "the plating solution itself is expensive, so it's a waste to dispose of it," and "wanting to reuse it, but the plating solution contains a large amount of particles like nickel, making the quality of the plating solution unstable." The de-drying process generates a clarified liquid with enhanced clarity through cake filtration and allows for the recovery of the cake as a dried powder. We can provide value through the recovery of raw materials, valuable substances, and waste reduction by drying the liquid and slurry in the manufacturing and reuse processes. [Case Study] ■ Inorganic materials handling factory ■ Request: To recover and reuse the solution ■ Implementation effect: Solution recovery recycling + minimal waste from slurry drying *For more details, please refer to the PDF document or feel free to contact us.

This is an introduction to a case where our water treatment products were implemented at a recycling plant. The request was, "We want to clean the collected scrap aluminum and enhance its quality to increase its value," and "Is it possible to remove the dirt and odor from the aluminum, such as heavy oil?" By breaking down and deodorizing the oil and other substances in the scrap aluminum, we were able to improve the quality of the scrap aluminum and provide added value. [Case Study] ■ Recycling Plant ■ Request - We want to break down the attached oil and clean the scrap aluminum. ■ Implementation Effect - By breaking down and deodorizing the oil, we improved the quality of the scrap aluminum and provided added value. *For more details, please refer to the PDF document or feel free to contact us.

In the food service industry, there were challenges such as "the water used for washing cut vegetables is tap water, and the wastewater (muddy water) is directly discharged into the sewer...", "there are concerns about general bacteria and E. coli even for reuse", and "the environmental impact of discharging into the sewer is also a concern." The "ECO Clean" that has been introduced this time is a device in the area of precision filtration membranes (MF), which purifies the turbidity of the washing wastewater to the level of tap water. It reduces water bills, including wastewater recycling, and also lowers environmental impact. General bacteria are reduced to 1/50, and E. coli is not detected. [Case Study] ■ Food Service Industry ■ Implementation Effects - Reduction of water bills and environmental impact through washing water recycling - General bacteria reduced to 1/50, E. coli not detected *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study from Ryuki Engineering, which proposes a reduction in the running costs of water treatment. We received a request from a food processing factory to dry and reduce the weight of residual materials to cut disposal costs. 【Case Study】 ■Industry: Food Processing Factory ■Challenges - When disposing of residual materials (pressed pulp), disposal fees are determined by weight, so there are costs associated with disposing of moisture-containing residual materials. - We want to dry and reduce the weight of residual materials to cut disposal costs. To further enhance the efficiency of processing the juice generated during the drying process, we proposed Dehydration + ECO Clean. This not only reduced industrial waste costs but also contributed to converting the dried residual materials into feed, generating valuable by-products. *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study from Ryuki Engineering, which proposes a reduction in the running costs of water treatment. We received a request from a metal processing factory to efficiently recover rare metals from high-concentration rare metal-containing water (valuable material) without reducing the concentration. [Case Study] ■Industry: Metal Processing Factory ■Challenges - Previously, recovery involved four processes (solid-liquid separation, concentration, dewatering, drying), which required significant effort and cost. - There was a desire to efficiently recover only rare metals from high-concentration rare metal-containing water without reducing the concentration. Our company has consolidated the process into a single machine for de-drying. This one unit handles all roles, achieving significant reductions in installation costs, installation space, and running costs (electricity and maintenance expenses). *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study from Ryuki Engineering, which proposes a reduction in the running costs of water treatment. We received a request from a resin factory to reduce maintenance costs caused by impurities entering the heat exchanger from the cooling water used during cutting. 【Case Study】 ■Industry: Resin Factory ■Challenges - The large amount of cooling water used to cool the water during cutting contains impurities (resin scraps) that enter the heat exchanger. - Maintenance costs for the heat exchanger are high, and we want to reduce them. We proposed dewatering to remove impurities from the cooling water. By using the cleaned cooling water in the heat exchanger, we reduced the maintenance frequency from four times a year to once a year. Additionally, we not only removed impurities but also reduced their volume to lower disposal costs. *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study from Ryuki Engineering, which proposes a reduction in the running costs of water treatment. We received a request from a bathing facility to purify colored groundwater containing organic matter so that it can be used, in order to reduce water supply costs. [Case Study] ■Industry: Bathing Facility ■Challenge: Reducing water supply costs Purifying colored groundwater containing organic matter for use Our company proposed a system combining coagulation sedimentation tanks, ECO Clean, and ozone microbubbles to achieve purification, decolorization, deodorization, and sterilization, resulting in water supply costs being halved. This generated a cost benefit of approximately 50 million yen annually, equivalent to 150,000 liters per day, or 750 baths for household use. *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce a case study from Ryuki Engineering, which proposes a reduction in the running costs of water treatment. We received a request from a precision parts/plating factory that wanted to reduce costs by purifying river water for use as cleaning water for precision electronic components. [Case Study] ■ Industry: Precision parts/plating factory ■ Challenge: The factory has been using tap water for cleaning precision electronic components, but the water bill is high. They want to reduce costs by purifying river water for use as cleaning water. Our company used "ECO Clean" to purify the turbidity of river water to the level of tap water. By enabling the use of river water, we provided water at one-tenth the price of tap water, achieving a 90% reduction in tap water costs through purification and utilization. *For more details, please refer to the PDF document or feel free to contact us.

We respond to special environments! According to customer requests, we provide a one-stop service for consulting, design, production, and construction with prompt support.

The Industrial Dust Collector I Series is a groundbreaking dust collector that overcomes challenges that have been difficult to address with conventional industrial dust collectors, such as "space-saving," "high cleanliness," and "maintenance-free." Centered around our unique filter technology, we customize dust collectors to realize our customers' wishes. ★We received the "Director-General's Award from the Ministry of Economy, Trade and Industry" at the 45th Excellent Environmental Equipment Awards★ 【Main Features】 - Achieves ultra-high cleanliness compliant with HEPA standards (0.15μm × 99.95%) - One of the world's largest pleated filter with a large surface area - Clogging suppression through surface filtration - Powerful clogging regeneration using supersonic impulse shock waves - Long lifespan due to robust molding structure and mounting method - Compact, lightweight, and excellent seismic resistance 【The factory dust collector "I Series" contributes to the realization of a sustainable society】 - SDGs Goal 3 "Ensure healthy lives and promote well-being for all at all ages" Target 3.9 "By 2030, substantially reduce the number of deaths and illnesses caused by hazardous chemicals and air, water, and soil pollution and contamination."

<Common Issues in Water Treatment and Wastewater Treatment> I want to reduce my monthly water bill... I introduced a system, but it hasn't delivered the expected results... Wastewater treatment is costly... Maintenance requires time and money... ＼Ryuki Engineering Provides Solutions／ Through meticulous hearings, ongoing field tests, and product customization, we offer tailored 'water treatment solutions' for each customer. 【Introducing Water Treatment Products】 ■ Membrane Filtration High-Precision Water Treatment Device ECO Clean: Achieves resource and cost reduction ■ Pleated Dryer Dakkann: Adds high value through powder drying and solution recovery! ■ Ozone Microbubble O-Mikuron III: Efficiently sterilizes, deodorizes, and decolorizes liquids ★ We are distributing "Case Study Materials" for plating factories, metal processing factories, etc.! You can view them immediately via [PDF Download].

Introduction of Installation Examples Blower: RE-110IW55-4 (Large Axial Fan) [Application] Regular inspection and repair work for LD gas holders Leak checks, pressure resistance, and float check measures [Customer's Challenge] In regular repair work for LD gas holders, we want to perform ventilation, internal cleaning, airtightness testing, and lid level adjustment during air aging within the area. [What Was Achieved] By selecting the necessary pressure and airflow during lid ascent, and by utilizing the lid as a working surface while adjusting its level, we achieved increased efficiency for the above tasks. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples: Dust Collector: CPH-2400 [Application] Regular maintenance work for holding furnaces / Fume control during lance operations [Customer's Challenge] During regular maintenance of the holding furnace at the steelworks, we want to continue operations in other areas. Additionally, we want to ensure the safety of workers and implement fume control measures. [What We Achieved] By using a large dust collector inside the holding furnace, we enabled work in a negative pressure area during lance operations while also ensuring visibility for workers and preventing dust from scattering outside. === Large ventilation equipment rental available for regular maintenance at steelworks and similar facilities! If you have such inquiries, please feel free to contact us! - We want to rent only for the duration of regular repairs or renovations. - We want to continue operations in other areas during the rental period. - We want to ensure worker safety and implement fume control measures. - Horizontal transfer to other operations and equipment within the same facility is possible! - After renting and testing, upgrading to permanent installation is also possible! *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Dust Collector: CPH-3000 [Application] Coke Oven Demolition Work Measures to Prevent the Dispersion and Leakage of Asbestos-Containing Materials [Customer's Challenge] In the coke oven demolition work, we want to manage negative pressure to prevent the dispersion and leakage of asbestos-containing dust generated during the process. [What Was Achieved] By using one of the largest dust collectors in the country, we maintained negative pressure in a large-capacity space, preventing asbestos leakage and improving the working environment. *We can handle all matters related to asbestos and dioxins. Please contact us for more details. *For more information, please refer to the PDF materials or feel free to contact us.

Introduction of Installation Examples Mobile Air Conditioner: MA-56 [Application] Heat stroke prevention for workers during operations [Customer's Challenge] They wanted to implement heat stroke prevention measures in the work area. [What Was Achieved] Conducted a local survey of the area to understand and plan the appropriate air volume, and by blowing cool air into the work area, we prevented heat stroke among workers. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Dust Collector: CF-300 [Application] Regular repair work on cement manufacturing line / Dust control [Customer's Challenge] During regular repair work on the cement manufacturing line, a large amount of dust was escaping from the work area, posing a risk of exposure. Therefore, it was necessary to improve the environment and ensure the safety of the workers. [What Was Achieved] By sealing the work area and creating a negative pressure, dust was collected, improving the environment for workers and preventing dust from escaping to the outside. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Vacuum System: VacuMAX30 [Application] New ship construction work Dust control during blast cleaning material recovery and finishing work [Customer's Challenges] During blast work inside the new ship, 1. They wanted to recover the blast material for reuse. 2. They wanted to clean the work area. [What Was Achieved] 1. The blast material was vacuumed and packed into bulk bags for reuse. 2. Vacuum suction enabled quick cleaning of the work area. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Dust Collector: BH-100 + 1㎥ Activated Carbon Adsorption Tower [Application] Hydroelectric power generation, electric motor dismantling and repair work Blast and thermal spray fume and VOC countermeasures [Customer's Challenge] Dust control measures for blasting and thermal spraying during regular repairs related to water turbines at the hydroelectric power plant, as well as VOC countermeasures due to organic solvents during painting. [What Was Achieved] The work area was enclosed and sealed, dust and fumes from blasting were collected, and activated carbon with good adsorption properties was selected from the components of volatile organic compounds. Environmental improvement was achieved through dust collection and deodorization. *We can address all types of VOCs. Please contact us for more details. For more information, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Mobile Air Conditioner: MA-56 x 4 units Blower: RE-40IW5.5 x 2 units [Application] Regular maintenance work for steam turbine boilers / Dehumidification measures inside the boiler Customer's Challenge During the regular maintenance work of the steam turbine, we want to prevent condensation inside the boiler and avoid rust formation. [What was Achieved] By managing the temperature and humidity of the outside air, inside the boiler, and various locations within the factory for dehumidification, we prevented rust formation. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Dust Collector: CF-150 [Application] Turbine Regular Maintenance Work / Blast Dust Countermeasures [Customer's Challenge] To address dust generated during turbine blasting work at a coal-fired power plant and to prevent its outflow outside the work area. [What Was Achieved] By sealing the work area and maintaining negative pressure, dust was collected, improving the environment for workers and preventing dust from escaping to the outside. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Dust Collector: CPH-1800 x 3 units [Application] Regular repair work for coal boilers Measures against blast dust and welding fumes [Customer's Challenge] During thermal spraying work inside the boiler of a coal-fired power plant, there was a need to address fume issues and also to shorten the construction time. [What Was Achieved] By connecting ducts to the inside of the boiler with three large dust collectors, we improved the working environment by collecting blast dust and thermal spraying fumes with a large airflow, and also achieved a reduction in the process time. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Mist Fan: FA-COOL [Application] Crushing operations / Dust control [Customer's Challenge] We want to implement dust control in areas that cannot be sealed or placed under negative pressure. [What Was Achieved] By using a large volume of fine mist, we prevented dust dispersion by solidifying it. *For more details, please refer to the PDF document or feel free to contact us.

Introduction of Installation Examples Air Shower: AS-1 / AS-2 [Application] Various construction work / Dust and explosion prevention measures for workers [Customer's Challenge] To remove dust adhered to the work clothes of workers. [What Was Achieved] Efficiently removed dust and other particles adhered to workers at a jet wind speed of 30 m/s without scattering, thereby suppressing secondary dust dispersion. *For more details, please refer to the PDF document or feel free to contact us.

From April 1, 2021, "welding fumes" generated during metal arc welding and similar operations have been designated as specific chemical substances (Category 2 substances), leading to strengthened work management. To comply with the legal amendments, appropriate work environment management, including measures to prevent fume exposure, is essential. However, there may be some who are unsure of where to start. Our company offers total support from proposals to aftercare, so please feel free to consult with us. **Our Strengths** ★ We utilize a unique pleated filter, achieving high cleanliness and space-saving. ★ With an automatic regeneration system, filter replacement is unnecessary, eliminating replacement costs and labor expenses, significantly reducing running costs! ★ Our know-how gained from our manufacturer rental business and environmental solution engineering allows us to provide consistent support. ★ Before implementation, it is possible to conduct real machine tests using rental equipment. Being able to confirm performance and effectiveness in advance is one of our major features. ★ We also have a track record of technical awards! Our industrial dust collector "I Series" received the 45th Excellent Environmental Equipment Award, specifically the "Minister of Economy, Trade and Industry's Industrial Technology and Environment Bureau Director's Award"!

Various odors emitted from factories. VOCs (volatile organic compounds) contained in organic solvents such as paints, adhesives, and cleaning agents can have harmful effects on the human body, necessitating countermeasures. Improving the working environment can also lead to increased productivity. It may enhance work efficiency and achieve labor cost reductions. At Ryuuki Engineering, we propose solutions for individual odor issues, addressing high concentrations and complex environmental odors that cannot be managed with existing products, while also reducing maintenance costs! 【We address odors in all types of workplaces】 - Odors generated during renovation and blasting work - Odors from adhesives and chemicals during floor replacement work - Dust and odors from waste plastics - Measures against volatile organic compounds (VOCs) - Please feel free to consult us regarding odor components.

Simple Deodorization Device PC-20HFC (Available for both rental and sale) A simple deodorization device that combines a fan with an activated carbon filter! For odor and VOC countermeasures. Despite its compact size, it has a capacity of up to 25㎥/min and can be easily installed with casters. 【Case Study】 Site: Deodorization measures during floor replacement work in the vehicle interior Used for deodorizing solvents, adhesives, etc., during floor replacement work in the vehicle interior. Installed Device: PC-20HFC × 4 units (rental) Results: Compared to the previously used products from other companies, the deodorization effect per unit was higher, allowing for effective odor control with fewer units. Additionally, the improved working environment enhanced work efficiency, leading to a shortened construction period. --------------------- Ryuki Engineering offers solutions for individual odor issues that cannot be handled by existing products, addressing high concentrations and complex environmental odors while reducing maintenance costs! From small (50kg) to large capacity (1㎥ to a maximum of 10㎥) with an activated carbon filling amount of up to 5 tons, we can accommodate combinations of devices tailored to the site for both rental and sale.

PFAS is a collective term for over 10,000 types of organic fluorine compounds, commonly used in items such as frying pan coatings and fire extinguishing agents. These substances raise concerns about cancer risks and are referred to as "forever chemicals" due to their difficulty in breaking down, leading to significant issues. Since April 2023, our company has been operating PFAS purification systems in Okinawa Prefecture, consistently working on water quality analysis, equipment design, and operation. The technology of ECO Clean LFP achieves effective treatment at low cost and with low environmental impact by utilizing a unique filter and powdered activated carbon. It addresses the challenges of conventional activated carbon treatment, including "difficulty in handling," "high disposal costs," and "low removal effectiveness." This document provides a clear explanation of PFAS treatment methods and more. 【Contents】 ■ What is PFAS? ■ PFAS treatment methods and key points for adoption ■ Introduction of PFAS purification systems and case studies ＼ Please click "PDF Download" to view the document ／

Are you having trouble with dust control during the transportation of raw materials and resources in biomass power generation? ＼ If you have any of the following issues, please consult with us ／ - We want to effectively collect dust generated at the transfer points of the conveyor belts to improve the working environment. - We want to collect dust generated during fuel transportation to reduce losses. - The performance of dust collection in existing equipment is insufficient, and we want to introduce higher-performance equipment. - Due to the variability in the properties of dust, we want to confirm the appropriate air volume and performance before considering installation. - We want to implement measures against explosive dust to ensure a safe working environment. 【Case Study】Dust Collection for Wood Fuel at Biomass Power Plant Issues: - A large amount of wood dust is generated during the transportation to the indoor biomass fuel storage. - The scattering of raw materials leads to energy loss. - The properties of the raw materials vary by production location, resulting in different qualities of dust. - There is a risk of dust explosion. Solution: - Installation of a dust collector with measures against explosive dust improves the working environment by reducing dust exposure and visibility issues. - The collected wood dust is reused as fuel. - Temporary installation allows us to verify the appropriate air volume and filter performance before establishing a permanent solution. We cater to both temporary and permanent needs. Please feel free to contact us!

PFAS is a collective term for over 10,000 types of organic fluorine compounds. They are widely used in our daily lives, such as in non-stick coatings for frying pans and foam fire extinguishers, but there are concerns about their carcinogenic risks, and due to their difficulty in decomposition, they are regarded as "forever chemicals." The technology of ECO Clean LFP employs a unique filter and powdered activated carbon, achieving effective treatment at low cost while minimizing environmental impact. It addresses the challenges of traditional activated carbon treatment, such as "difficulty in handling," "high disposal costs," and "low removal effectiveness." Furthermore, this technology has been adopted in the Ministry of the Environment's "Demonstration Research" for the fiscal year 2023, and its effectiveness has been confirmed in the purification of actual PFAS-contaminated groundwater. This document provides a clear explanation of regulations and purification technologies related to PFAS! [Contents of the document] ■ Latest trends in PFAS regulations overseas ■ PFAS purification technologies and results from the Ministry of the Environment's demonstration research ■ Corporate PFAS environmental management roadmap ＼ Please click "PDF Download" to view the document ／

"Flow Machine Water Treatment Engineering" solves such challenges! 1) Complex wastewater treatment We integrate our unique technology with the specialized skills of partner companies to provide comprehensive proposals for equipment and plant facilities. 2) Labor-saving and cost reduction Automation of each device contributes to labor-saving and cost reduction in operations. 3) Reduction of industrial waste We minimize waste volume, promote effective resource utilization, and encourage CO2 reduction. 4) PFAS treatment and purification PFAS, an organic fluorine compound, is becoming a social issue. We achieve safe treatment and purification using our unique adsorption filtration technology. ------------------------------ Plastic waste, PFAS, livestock wastewater, industrial waste treatment, food factories, ceramics, semiconductors, rubber release agents, testing liquids, etc. ------------------------------ If you are facing challenges that are difficult to address with off-the-shelf products, if your existing facilities can no longer meet environmental standards, or if you have been turned away by other companies, please leave it to Flow Engineering. We will accurately respond to your needs based on our achievements in various fields. 【Leave difficult challenges to us through hearings, investigations, and development】 We provide consistent support from sample analysis and hearings to ongoing field tests and product customization!

If you have such issues, please consult with us once. - We want to verify the wind resistance performance of solar panel mounting structures in actual strong wind environments. - We want to evaluate under test conditions that match the shape (such as flat roofs). - We want to obtain materials and data that demonstrate safety during strong winds. - We want to conduct size and wind speed tests that cannot be accommodated by existing wind tunnel tests. [Implementation Example] Upsolar Japan Co., Ltd. Implementation details: We verified whether solar panel mounting structures installed on flat roofs of factories, warehouses, supermarkets, schools, etc., can be safely operated under strong winds. Implementation method: We brought the mounting structure to the Tsukuba Techno Center, where we manufactured the test stand and modified the blower. We conducted tests under conditions close to the actual environment by applying wind from three directions: front, 45 degrees, and 90 degrees.