Crushing & Grinding Machines

Energy Efficiency Retrofits Can Cut Mold But Ventilation

This latest research comes from a new publication from the US Department of Energy s Lawrence Berkeley National Lab Berkeley Lab However the paper also found that levels of some indoor air pollutants increased when ventilation was not added...

RESAVE Residential Energy Savings from Airtightness and

Lawrence Berkeley National Laboratory Primary Authors Max H Sherman Brett Singer Iain S Walker Craig Wray RESAVE stands for Residential Energy Savings from Airtightness and Ventilation Excellence The overall goal of this program was to reduce the energy spent in homes to condition air that enters from outdoors...

Evaluating the Performance of Natural Ventilation in

Lawrence Berkeley National Laboratory is an expert on energy use in China and a catalytic actor in providing data to US policymakers about China its energy use and opportunities for US industry to do business in China Natural ventilation in buildings is capable of reducing energy consumption while maintaining a comfortable indoor at...

National Laboratory Study Finds that Molekule Air Purifier

Feb 25 2020 0183 32 The study conducted by Lawrence Berkeley National Laboratory Berkeley Lab evaluated PECO s pollutant elimination in an environmental chamber In simulated ventilation conditions with real...

Energy Technologies Area

For more than 40 years our talented scientists have been performing a wide variety of research in the areas of energy efficiency and energy analysis building science the electricity grid batteries air quality energy technologies and more...

Study shows 85 of CA classrooms lack sufficient ventilation

Nov 07 2019 0183 32 A recent study conducted by UC Davis and Lawrence Berkeley National Laboratory researchers found that 85 of the heating ventilation and air conditioning or HVAC systems in California K-12...

Passive ventilation

Passive ventilation is the process of supplying air to and removing air from an indoor space without using mechanical systemsIt refers to the flow of external air to an indoor space as a result of pressure differences arising from natural forc There are two types of natural ventilation occurring in buildings wind driven ventilation and buoyancy-driven ventilation...

Indoor Environment Group

William Fisk maintains a website on the effects of indoor air quality on people s health and work performance This leading resource has up-to-date analysis and latest findings on a number of hot-button topics including building ventilation dampness and mold volatile organic compounds human performance air cleaning air quality in schools and more...

Increasing Energy Efficiency of Mine Ventilation Systems

611 Increasing Energy Efficiency of Mine Ventilation Systems Riyaz Papar t Andrew Szady 2 William D Huffer 3 Vern Martin 4 and Aimee McKane1 Lawrence Berkeley-National Laboratory Washington DC 20024 USA...

The Impact of Ventilation on Productivity

The objective of this research is to understand the relationship between indoor air quality and productivity with a controlled field intervention study This two-part study was conducted in collaboration with the Indoor Environment Department at Lawrence Berkeley National Laboratory LBNL...

Better Ventilation Could Boost Student Performance

Indoor air quality in schools often fails to meet minimum standards and student performance is clearly diminished when ventilation rates are low according to a recent analysis from Lawrence Berkeley National Lab Elevated concentrations of carbon dioxide have been documented in schools across the US Europe and Asia the study finds...

Home Building Technology and Urban Systems Division

Researchers in the Building Technology Urban Systems Division BTUS at Lawrence Berkeley National Laboratory develop data and technologies that increase energy efficiency and improve the health safety and comfort of building occupants in the United States and worldwide...

New material mines copper from toxic wastewater

Nov 24 2020 0183 32 New material mines copper from toxic wastewater Date November 24 2020 Source DOE/Lawrence Berkeley National Laboratory Summary A team of scientists has designed a new material -- called ZIOS...

Home Energy Magazine

Lawrence Berkeley National Laboratory It is sometimes difficult to measure the flow rate of a range hood And yet although we recognize both the need for mechanical ventilation and the need to exhaust combustion pollutants there remains an unvented combustion appliance that many of our clients use every day but to which we rarely give a...

PDF WORKER PERFORMANCE AND VENTILATION ANALYSES

article Federspiel2002WORKERPA title= WORKER PERFORMANCE AND VENTILATION ANALYSES OF INDIVIDUAL DATA FOR CALL-CENTER WORKERS author= C Federspiel and G Liu and M Lahiff and D Faulkner and D DiBartolomeo and W Fisk and P Price and D Sullivan journal= Lawrence Berkeley National Laboratory year= 2002...

Modelica Library for Building Heating Ventilation and Air

It contains component models for building heating ventilation and air conditioning systems It also contains an interface that allows co-simulation with the Ptolemy software framework for concurrent real-time embedded systems developed by the University of California at Berkeley...

School Ventilation Study Finds Classroom Air Quality May

According to a recent study conducted by Lawrence Berkeley National Laboratory and published in the journal Indoor Air the majority of California elementary school classrooms lack proper ventilation which likely contributes to higher rates of illness among students More kids...

Improving Ventilation and Saving Energy Laboratory

Energy Research program as the Lawrence Berkeley National Laboratory Classroom HVAC Improving Ventilation and Saving Energy research project CEC Contract Number 500-03-041 The study was additionally supported by the Assistant Secretary for Energy Efficiency and Renewable Energy Building Technology Program of the US Department of Energy under...

Changing Ventilation Rates in US Offices Implications

Lawrence Berkeley National Laboratory Berkeley CA 94720 This study was funded through interagency agreement -89-92224401 between the Indoor DW Environments Division Office of Radiation and Indoor Air of the US Environmental Protection Agency EPA and the U S Department of Energy under contract DE-AC02-05CH11231 to...

A review of smart ventilation energy and IAQ performance

Researchers in the Building Technology Urban Systems Division BTUS at Lawrence Berkeley National Laboratory develop data and technologies that increase energy efficiency and improve the health safety and comfort of building occupants in the United States and worldwide ventilation needs to become smarter A key smart ventilation...

Secondary pollutants from ozone reactions with

Lawrence Berkeley National Laboratory Berkeley CA 94720 March 2011 This research was supported by the US Environmental Protection Agency through interagency agreement DW-89-92224401 with the US Department of Energy under Contract DE-AC02-05CH11231 Additional support was provided by the National Institute for Occupational Safety...

Liange Zheng s research works Lawrence Berkeley National

Liange Zheng s research while affiliated with Lawrence Berkeley National Laboratory and from initial ventilation heat source control personal protection and other non-mechanical...

Building Ventilation Indoor Air Quality IAQ Scientific

Background Ventilation as defined here is the supply of outdoor air to a building Ventilation rates vary considerably from building to building and over time within individual buildings The influence of ventilation rates on occupant health and performance will vary depending on features of the building outdoor environment and occupants...

Spencer DUTTON Lawrence Berkeley National Laboratory CA

Spencer DUTTON of Lawrence Berkeley National Laboratory CA LBL Read 23 publications Contact Spencer DUTTON It uses the concept of Smart Ventilation where ventilation systems are...

Research Areas

The Biosciences Area forges multidisciplinary teams to solve national challenges in energy environment and health issues and to advance the engineering of biological systems for sustainable manufacturing Biosciences Area research is coordinated through three divisions and is enabled by Berkeley...

Optimizing Laboratory Ventilation Rates

Optimizing Laboratory Ventilation Rates Labs21 Advanced Course Series Geoffrey C Bell PE M Arch Lawrence Berkeley National Laboratory...

Lawrence Berkeley National Laboratory

This section provides estimates at the national level of some of the benefits and costs of taking practical steps to improve indoor environmental conditions in US buildings Air Cleaning Indoor air cleaning is the process of intentionally removing pollutants from indoor air or from the outdoor air as it enters a building...

Ventilation and Air Quality in New California Homes with

Ventilation and Indoor Air Quality in New California Homes with Gas Appliances and Mechanical Ventilation is the final report for the Healthy Efficient New Gas Homes HENGH project contract number PIR-14-007 conducted by Lawrence Berkeley National Laboratory...

Ventilation must be improved in campus buildings for

May 06 2020 0183 32 According to the Lawrence Berkeley National Laboratory 85 of California classrooms are underventilated The lab also studied the association between productivity and...

The ventilation problem in schools literature review

Lawrence Berkeley National Laboratory 90R2021 One Cyclotron Road Berkeley CA 94720 Author Manuscript wjfisk lblgov Ventilation rates also affect the energy required for heating and cooling with higher ventilation rates generally increasing energy requirements...