A computational and analytical study of the energy efficiency configuration finned tubes in heat exchange section an air cooler is carried out by Antuf’ev method for different types heat-exchange cooler. In investigation range variation speed compressed frontal part was 2.87–25.66 m/s tube finning coefficient, 5.1–27.4 (which corresponds to parameters coolers employed). consumption power N0 fan...

Water resources for irrigation can be difficult to obtain specially in the arid regions. However, for high humidity areas such as places close to the sea, water can be condensed from the air. In this paper we build water condensation system based on thermoelectric cooler. The system consists of cooling elements, heat exchange unit and air circulation unit. A solar cell panel unit with a relevan...

In April 2016, an outbreak of gastrointestinal illness (4,136 cases) occurred in Catalonia, Spain. We detected high levels of norovirus genotypes I and II in office water coolers associated with the outbreak. Infectious viral titer estimates were 33-49 genome copies/L for genotype I and 327-660 genome copies/L for genotype II.

Using new cosmological models for galaxy evolution, predictions for the next generation of deep mid-IR surveys are presented for both the ASTRO-F space telescope (due for launch 2003) and the proposed HII/L2 mission (2010). Although ASTRO-F will be able to detect between 20,000-40,000 sources in the mid-IR, deep surveys will be severely constrained by confusion due to faint sources (due to the ...

In thermoelectric coolers (TECs) applied external voltage potential is generated to a temperature difference based on the Peltier effect. Main and basic structure of TECs is in the form of single stage device. Due to the low efficiency, especially low coefficient of performance (COP) of thermoelectric coolers, optimal design of geometrical parameters of such devices is vital. For this purpose, ...