Thermal sensation, acceptability and comfort are the important responses while evaluating the qualityof thermal environment. Experimental investigations into the relationships between these responseswere performed separately under uniform and non-uniform conditions that produced by local cooling.Thirty male Chinese subjects in college age participated the experiment and reported their local thermalsensation of each body part, overall thermal sensation, acceptability and comfort. Under uniformconditions, overall thermal sensation, acceptability and comfort are correlated closely.
The characteristics of climate in Japan are hot and humid in summer, with cold and dry winter. For thisreason, mold growing in rooms is common during summer period. On the other hand, in winter, due tospace heating, indoor environment is over-dry as a result of low humidity.
Through modeling and computing, life cycle energy consumption (LCEC) and environmentalemission (LCEE) of twelve building materials in production process are analyzed by means oflife cycle assessment (LCA). The inventory analysis includes energy upstream, transportationand production phases. Inventory analysis of energy upstream phase is carried out usingiterative computation, while direct energy consumption and environmental emission, indirectenergy consumption and environmental emission are considered. The outcomes show thatLCA integrated value (16.73) of steel production is the highest.
A life-cycle inventory model for the office buildings is developed in this paper. The environmental effectsof two different building structures, steel and concrete, are intercompared. The results show that thesteel-framed building is superior to the concrete-framed building on the following two indexes, thelife-cycle energy consumption and environmental emissions of building materials.
Asphalt fume from Aluminum Industries is one of pollutants, which must be decontaminated in theventilation systems. In this paper, two feasible structures of adsorbers were designed: the venturi-typeadsorber with the small-diameter throat pipe and that with the flow-guiding cone. Then these two kindsof adsorbers were optimized according to the factors which influence the diffusion of the adsorbentparticles.
Indoor air quality has caught attention of the Netherlands Ministry of Housing, Spatial Planning and theEnvironment and a large campaign was started in 2005 to make the public aware of the dangers tohealth as result of poor ventilation in housing. Indoor Air Quality and thermal climate in schools isproblematic in many countries. The status quo in the Netherlands is presented. The goal of a firststudy was to evaluate the performance of exhaust-only ventilation systems and in 5 schools weremeasurements undertaken.
Background Allergic rhinitis (AR) is a very common disease with an increasing prevalence to 10-20%over the last 40 years all over the world including developing countries like China. But the reasons havenot yet been known clearly.
This study discusses how to improve energy performance standards for vapour compression chillers. Areview on the national standards adopted in the USA, Canada, Australia, the European Union, China,Chinese Taipei and Hong Kong showed that minimum allowable levels are simply stated for thecoefficient of performance (COP) of chillers at full load conditions. These requirements are insufficientto promote high efficient products. To facilitate the labelling and certification of high efficient chillers, it ismore preferable to have a classification scheme for the full load COP.
Heat gain through the exterior window accounts for 25-28% of the total heat gain, adding to theinfiltration, it is up to 40 % in hot summer and cold winter zone of china, so it is important to carry outthe sustainable window systems design with low energy consumption. The effects of window systemsincluding area ratio of window to wall and categories of glazing on energy consumption of airconditioner (AC) are simulated by using eQUEST software.
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