Blueair Cleans Your Room... - Takashimaya Department Store
0:46
Blueair Cleans Your Room... - Takashimaya Department Store
已浏览 2万 次2020年7月3日
FacebookTakashimaya Department Store
SOLVED:A classroom having a volume of 283  m^3 undergoes 1.5 air changes per hour from natural ventilation. The concentration of carbon dioxide in the outside air is 0.03 per cent and the production of carbon dioxide per person is 4.72 ×10^-6  m^3  s^-1 (a) What is the maximum occupancy of the space if the carbon dioxide concentration is to be less than 0.1 per cent at the end of the first hour, assuming an initial concentration equal to the ambient outside conditions? (b) What is the maximum oc
SOLVED:A classroom having a volume of 283  m^3 undergoes 1.5 air changes per ho…
2021年10月11日
numerade.com
Calculate the proper Air Changes per Hour (ACH) for your school to ensure clean indoor air
Calculate the proper Air Changes per Hour (ACH) for your school to ensure clean indo…
2021年6月18日
iso-aire.com
SOLVED:A classroom having a volume of 283 m^3 undergoes 1.5 air changes per hour from natural ventilation. The concentration of carbon dioxide in the outside air is 0.03 per cent and the production of carbon dioxide per person is 4.72 ×10^-6 m^3 s^-1 (a) What is the maximum occupancy of the space if the carbon dioxide concentration is to be less than 0.1 per cent at the end of the first hour, assuming an initial concentration equal to the ambient outside conditions? (b) What is the maximum occup
SOLVED:A classroom having a volume of 283 m^3 undergoes 1.5 air changes per ho…
2020年6月12日
numerade.com
the minimum fresh air requirement of a residential building is specified to be 035 air changes per hour ashrae standard 62 1989 that is 35 percent of the entire air contained in a residence 85408
the minimum fresh air requirement of a residential building is specified to be 035 ai…
已浏览 101 次2022年5月13日
numerade.com
SOLVED: A one-compartment house of volume 400 m' has an infiltration rate of 0.3 air changes per hour with its doors and windows closed. During an episode of photochemical smog, the outdoor concentration of peroxyacetyl nitrate (PAN) is 75 ppb. If the family remains indoors, and the initial concentration of PAN inside is 9 ppb, how long will it be before the PAN concentration inside rises to 40 ppb?
SOLVED: A one-compartment house of volume 400 m' has an infiltration rate of 0.…
2021年9月24日
numerade.com
Winix 5300-2 True HEPA 4-Stage Air Purifier with PlasmaWave Technology, AHAM Verified for 5 air changes per hour for 360 square feet
Winix 5300-2 True HEPA 4-Stage Air Purifier with PlasmaWave Technology, AHAM Verifi…
已浏览 1 次2021年1月29日
Walmart.com
How to Calculate Air Changes per Hour - MEP Academy
2022年11月7日
mepacademy.com
A classroom having a volume of 283 m3 undergoes 1.5 air changes... | Filo
已浏览 5843 次8 个月之前
askfilo.com
Air Changes per Hour formula and calculator
2022年4月2日
effiworkx.com
Air Changes Per Hour: What it Means and How Many Do You Need
2020年3月11日
retrofoamofmichigan.com
SOLVED:'The pressure remains constant at 689.5 kPa and the volume of a system of ai…
2 个月之前
numerade.com
0:28
The VidaShield UV24 air... - Armstrong Ceiling Solutions
已浏览 566 次2021年4月9日
FacebookArmstrong Ceiling Solutions
3:28
Global air temperature reaches record high for two straight day
2023年7月6日
Microsoft NewsWION
FPSO Tank Ventilation – Air Change Rate
2023年7月20日
technical-limits.com
0:44
Blower Door Test
已浏览 509 次7 个月之前
YouTubeAllClimate
1:06
More doesn’t always mean better. Calculating air changes per hour is something every m…
已浏览 1.9万 次9 个月之前
TikTokbuildingscience
2:09
The Truth about Cleanroom Air Change Rates ACR
已浏览 2965 次2019年10月7日
YouTubeProduction Automation Corporation
2:48
Titus Timeout Podcast Air Changes per Hour
已浏览 182 次2018年5月18日
YouTubeMECH ENGINEERING
1:57
Air Quality Index: What do the numbers mean and how to use AQI to stay safe
2023年6月8日
ABC7 New York
1:23
Warming trend: Data shows average high temps for January have risen 4.9 degrees s…
10 个月之前
YouTubeWRAL
0:36
How does CFM affect Air Changes Per Hour (ACH)?
已浏览 24 次4 个月之前
YouTubeLegend Brands
0:29
How many air scrubbers should you use?
已浏览 187 次4 个月之前
YouTubeLegend Brands
0:50
Basics of Industrial Ventilation | Marut Air
已浏览 227 次6 个月之前
YouTubeMarut Air - Industrial Ventilation Expert
0:12
How do you calculate the required airflow for a centrifugal fan?
已浏览 2 次2 个月之前
YouTubeIndustrial Centrifugal Ventilation Solution
Infiltration of cold air into a warm house during winter through the cracks around d…
2 个月之前
numerade.com
12:34
Sealing the deal making block and brick house airtight to passive standards
已浏览 633 次2 个月之前
YouTubeATSPACE
4:38
Air Change per Hour Calculation. Understanding What is ACPH.
已浏览 461 次2 个月之前
YouTubeHVAC SIMPLIFIED
0:56
A Healthy, Safe Home: Passive House Is Not Just About Energy Efficiency: A Clients Pe…
已浏览 482 次5 个月之前
YouTubeBuilding A Better Way with Earth Bound Homes
9:15
Lockwood Residence
已浏览 263 次2013年4月24日
YouTubeJim Dustman
观看更多视频
静态缩略图占位符
反馈