好似要扮聽得明咁應下佢
廢事傷佢心做完手術之後有幾集佢突然講得清楚左少少
唔知係咪有咩影響
由Top gear走到 The Grand tour 最終章 主持：對電動車不感興趣 他們就是垃圾
hhsk
350 回覆
453 Like
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最好笑係應該連clarkson都聽唔明
好似要扮聽得明咁應下佢廢事傷佢心
做完手術之後有幾集佢突然講得清楚左少少
唔知係咪有咩影響
好似要扮聽得明咁應下佢
廢事傷佢心做完手術之後有幾集佢突然講得清楚左少少
唔知係咪有咩影響
siu4 ching
知唔知自己講緊乜
知唔知自己講緊乜
可能已經
真係有fahu呢樣嘢架喎
幫你問左AI 除非你話加左成個dedicated exhaust system 仲係AHU 或你所講FAHU
An Air Handling Unit (AHU) can play a significant role in managing air quality in an indoor car park, but whether it is sufficient to remove pollutants effectively depends on several factors, including the design of the AHU, the specific pollutants present, and the overall ventilation strategy. Here are some considerations:
### Key Considerations for Using AHUs in Indoor Car Parks
1. **Pollutant Types**:
- **Vehicle Emissions**: Common pollutants in car parks include carbon monoxide (CO), nitrogen oxides (NOx), and particulate matter (PM) from vehicles. AHUs can help filter and reduce some of these pollutants, but their effectiveness varies based on the filtration system used.
- **VOCs and Other Odors**: Volatile organic compounds (VOCs) and odors can also accumulate. Effective filtration and ventilation strategies are needed to address these.
2. **AHU Functionality**:
- **Fresh Air Intake**: AHUs can bring in fresh air to dilute indoor pollutants, but the volume of fresh air introduced needs to be sufficient to meet air quality standards.
- **Filtration**: The effectiveness of an AHU in removing pollutants also depends on the type of filters used. High-efficiency particulate air (HEPA) filters or activated carbon filters can improve the removal of particulate matter and VOCs.
3. **Ventilation Rate**:
- **Air Changes per Hour (ACH)**: The effectiveness of an AHU in removing pollutants is closely tied to the ventilation rate, typically measured in air changes per hour. Regulations and guidelines often specify minimum ACH rates for parking structures to ensure adequate air quality.
- **Demand-Controlled Ventilation**: Implementing demand-controlled ventilation (DCV) can optimize airflow based on real-time pollutant levels, enhancing the effectiveness of the AHU.
4. **Exhaust Systems**:
- **Dedicated Exhaust**: In most cases, dedicated exhaust fans or systems specifically designed to remove contaminated air are necessary for effective pollutant removal. AHUs can complement these systems but may not be sufficient on their own.
- **Combination Systems**: A combination of AHUs for fresh air supply and dedicated exhaust systems for removing stale air often provides the best results for maintaining air quality.
5. **Integration with Other Systems**:
- **Monitoring Systems**: Integrating air quality sensors (e.g., CO sensors) can help monitor pollutant levels and adjust ventilation rates accordingly.
- **Smoke Control**: In case of fire, specialized smoke control systems may be required, which are separate from standard AHU operations.
### Conclusion
While an Air Handling Unit can contribute to improving air quality in an indoor car park, it is typically not sufficient on its own to remove pollutants effectively. A comprehensive approach that includes dedicated exhaust systems, adequate ventilation rates, and appropriate filtration is essential for maintaining acceptable air quality standards. If you're designing or retrofitting an indoor car park, it is advisable to consult with HVAC professionals to develop a tailored solution that meets specific needs and regulatory requirements.
An Air Handling Unit (AHU) can play a significant role in managing air quality in an indoor car park, but whether it is sufficient to remove pollutants effectively depends on several factors, including the design of the AHU, the specific pollutants present, and the overall ventilation strategy. Here are some considerations:
### Key Considerations for Using AHUs in Indoor Car Parks
1. **Pollutant Types**:
- **Vehicle Emissions**: Common pollutants in car parks include carbon monoxide (CO), nitrogen oxides (NOx), and particulate matter (PM) from vehicles. AHUs can help filter and reduce some of these pollutants, but their effectiveness varies based on the filtration system used.
- **VOCs and Other Odors**: Volatile organic compounds (VOCs) and odors can also accumulate. Effective filtration and ventilation strategies are needed to address these.
2. **AHU Functionality**:
- **Fresh Air Intake**: AHUs can bring in fresh air to dilute indoor pollutants, but the volume of fresh air introduced needs to be sufficient to meet air quality standards.
- **Filtration**: The effectiveness of an AHU in removing pollutants also depends on the type of filters used. High-efficiency particulate air (HEPA) filters or activated carbon filters can improve the removal of particulate matter and VOCs.
3. **Ventilation Rate**:
- **Air Changes per Hour (ACH)**: The effectiveness of an AHU in removing pollutants is closely tied to the ventilation rate, typically measured in air changes per hour. Regulations and guidelines often specify minimum ACH rates for parking structures to ensure adequate air quality.
- **Demand-Controlled Ventilation**: Implementing demand-controlled ventilation (DCV) can optimize airflow based on real-time pollutant levels, enhancing the effectiveness of the AHU.
4. **Exhaust Systems**:
- **Dedicated Exhaust**: In most cases, dedicated exhaust fans or systems specifically designed to remove contaminated air are necessary for effective pollutant removal. AHUs can complement these systems but may not be sufficient on their own.
- **Combination Systems**: A combination of AHUs for fresh air supply and dedicated exhaust systems for removing stale air often provides the best results for maintaining air quality.
5. **Integration with Other Systems**:
- **Monitoring Systems**: Integrating air quality sensors (e.g., CO sensors) can help monitor pollutant levels and adjust ventilation rates accordingly.
- **Smoke Control**: In case of fire, specialized smoke control systems may be required, which are separate from standard AHU operations.
### Conclusion
While an Air Handling Unit can contribute to improving air quality in an indoor car park, it is typically not sufficient on its own to remove pollutants effectively. A comprehensive approach that includes dedicated exhaust systems, adequate ventilation rates, and appropriate filtration is essential for maintaining acceptable air quality standards. If you're designing or retrofitting an indoor car park, it is advisable to consult with HVAC professionals to develop a tailored solution that meets specific needs and regulatory requirements.
大把地庫停車場夏天焗到傻啦 抽風換氣有幾難 裝冷氣點會中毒死
我都幫你問左
Fresh Air Handling Units (FAHUs) can effectively manage indoor air quality (IAQ) in indoor car parks. These systems are designed to introduce fresh outdoor air while filtering and conditioning it, which is crucial in environments prone to vehicle emissions.
Key Functions of FAHUs in Indoor Car Parks:
Air Filtration: FAHUs filter incoming air to remove pollutants and particulates, improving IAQ. They often include high-efficiency filters to capture fine particles and contaminants.
Ventilation: Proper design ensures adequate air changes per hour, which is essential for diluting harmful gases like carbon monoxide (CO) and nitrogen dioxide (NO2) produced by vehicles. This is vital for maintaining safe air quality levels.
Humidity Control: FAHUs can help manage humidity levels, preventing condensation and mold growth, which can be problematic in enclosed spaces.
Energy Efficiency: Many FAHUs incorporate heat recovery systems, which enhance energy efficiency by using the outgoing air to precondition incoming air, thus reducing overall energy consumption.
In summary, FAHUs are well-suited for maintaining IAQ in indoor car parks by ensuring effective ventilation, filtration, and humidity control, while also promoting energy efficiency.
Fresh Air Handling Units (FAHUs) can effectively manage indoor air quality (IAQ) in indoor car parks. These systems are designed to introduce fresh outdoor air while filtering and conditioning it, which is crucial in environments prone to vehicle emissions.
Key Functions of FAHUs in Indoor Car Parks:
Air Filtration: FAHUs filter incoming air to remove pollutants and particulates, improving IAQ. They often include high-efficiency filters to capture fine particles and contaminants.
Ventilation: Proper design ensures adequate air changes per hour, which is essential for diluting harmful gases like carbon monoxide (CO) and nitrogen dioxide (NO2) produced by vehicles. This is vital for maintaining safe air quality levels.
Humidity Control: FAHUs can help manage humidity levels, preventing condensation and mold growth, which can be problematic in enclosed spaces.
Energy Efficiency: Many FAHUs incorporate heat recovery systems, which enhance energy efficiency by using the outgoing air to precondition incoming air, thus reducing overall energy consumption.
In summary, FAHUs are well-suited for maintaining IAQ in indoor car parks by ensuring effective ventilation, filtration, and humidity control, while also promoting energy efficiency.
咁你問埋佢 solely FAHU係唔係夠處理vehicle emission indoor air-conditioning carpark 先.
幾時講過要淨裝一種機
冇私家位本身就唔適合揸電車啦
弱智仔沖出嚟懶醒
過多20-30年連軚盤都無埋
呢d汽車節目都尾水啦
呢d汽車節目都尾水啦
平時啲toyota 去到第三世界行過百萬真係碎料
https://x.com/alex_avoigt/status/1828724215094059332?s=46&t=2NLe2ckT4eYBr7MrPMI5WQ
又係成班鳩up
咩油車 效率高、H2 環保d
d source 都唔知邊度作出黎
又係成班鳩up
咩油車 效率高、H2 環保d
d source 都唔知邊度作出黎
重要未計處理舊電池
重要唔使貴車都俾到駕駛樂趣。
上面有啲人講到要supercar先有駕駛樂趣應該唔明咩叫駕駛樂趣
上面有啲人講到要supercar先有駕駛樂趣應該唔明咩叫駕駛樂趣
北美一街都係幾十年既車
喺井底笑好啦
喺井底笑好啦
去過北美未
其實未有左膠政府立法禁乜春幾多年後賣油車之前都冇乜人所謂"排斥"EV
你肯定？ 發電廠嘅efficiency其實唔係好高
發電廠嘅efficiency其實唔係好高想問吓係唔係用Tesla 嗰隻太陽能板？
實際上係張d廢氣換另一個形式排放
咁依加都仲有節目專講classic car既
不過真係太窄
不過真係太窄
有埋電池degradation條數先拎出嚟講啦
無有錯 
