04032 The AIVC's new survey of current research into air infiltration, ventilation and indoor air quality

04032 The AIVC's new survey of current research into air infiltration, ventilation and indoor air quality

13 Space heating and cooling 95104032 95104045 Limb, M. J. Air Infiltration Rev., Mar. 199.5, 16, (2), 12-14. Reports that the Survey of Current ...

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Space

heating and cooling

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Limb, M. J. Air Infiltration Rev., Mar. 199.5, 16, (2), 12-14. Reports that the Survey of Current Research provides a platform for the dissemination of information related to infiltration, ventilation, indoor air quality and energy use within buildings by supplying organisations with regularly updated information about ongoing research in these fields. The survey comprises 256 replies from 17 different countries.

Diprose, P. and Robertson, G. Proc. Solar ‘94, ANZSES Administrator, PO Box 124, Caulfield East, VIC.3145, Australia. The paper explores the use of glass-tower as a metaphor of ERD, and enquires as to whether recent ‘vanguard’ office buildings are good models of green architecture.

The AiVC’s new survey of current research into air infiltration, ventilation and indoor air quality

Ecologically responsible design, solar architecture and the mythology of the glass tower

Energy conservation - Hong Kong Lam, J. C. Bldg. Res. Inf, Jan.-Feb, 1995, 23, (1). 2-7.

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Amended Thermal insulation Regulations - Heat transfer coefficient thresholds

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Francke, D. Heiz. Luft. Hausfech., Jan. 1995, 46, (1) 21-25. (In German) Discusses the effect of the new amendments to the German Thermal Insulation Regulations 1994.

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Discusses energy consumption in residential and commercial buildings in Hong Kong which accounts for nearly half of the total primary energy requirements of Hong Kong, where electricity has long been regarded by budding users as a commodity rather than as a resource. Discusses energy conservation activities and initatives taken by the Government, plus a strategy for energy conservation in buildings.

The architecture of building services

Nelson, G. Batsford, 1995, 160~~. The book examines methods of HVAC systems in building

design.

Comparison of expansion valve performance 95104035 Hewitt, N. J. er al., Int. J. Energy Res., Jun. 1995, 19, (4), 347-359. The paper compares the performance of a’thermostatic expansion valve, thermoelectric expansion valve, solenoid expansion valve and a motorized type operating as part of an extensively controlled and instrumented refrigeration system. It will be shown that the solenoid expansion valve provides the best control. Cost-optimal analysis of cooling towers QSlO4036 Kinter-Mever. M. ASHRAE Trans., 1994, 100, (21, 92-101. The paper discusses how water-Fooling towers are-sized and selected based on economic considerations and constraints imposed by system components. Analyses the cost-optimal selection of the cooling tower range and approach using non-linear programming techniques. Critfcai thermal transmittance (U) value for the de&an of areen buiidinas

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Ip, KYC. Proc. First Int. C;;nf: Sustainable Construction, Tampa, Florida, Nov. 1994, CIB, 287-296. . An overview of the changes of U-values in the UK and the corresponding impact on heat loss reduction through roofs and walls of new dwellings. 95/04036 Daylighting and productivity at Lockheed Miller Thaver. B. Solar Todav, Mav-Jun. 1995, 9, (3). 26-29. Describes how a daylit offickbuilding near San Francisco adds to corporate profits through energy savings and improved productivity.

Design considerations of primary performance parameters for irreversible refrigeration cycles

95/04047 Energy, comfort, amenity and solar efficient design Samuels, R. Proc. Solar ‘94, ANZSES Administrator, PO Box 124, Caulfield East, VIC.3145, Australia. The paper discusses the National Evaluation of Energy Efficient Houses project which was carried out in the Adelaide, Sydney and Melbourne regions between 1989 and 1990, and in the Perth region in 1991. The objective was to uncover occupant or user experiences of the houses, in terms of their attitudes and behaviours relating to the energy used in the running of their houses.

Energy-efficient house a winner 95/04046 Queensland Government Min. J., (Queensland Power Australia), May 1995, 96, p. 14. Reports that indoor summer comfort provided by an energy-efficient display house has proved superior to the performance of a conventional house in a trial conducted by the Energy Information Centre of the Department of Minerals and Energy, Australia. 95104049

Estimation of continuous-time models for the heat dynamics of a building

Madsen, H. and Holst, J. Energy & Buildings, 1995, 22, (l), 67-79. The paper describes a method for estimation of continuous-time models for the heat dynamics of buildings based on discrete-time building performance data..The parameters inihe continuous-time model are es&rated by the maximum likelihood method where a Kalman filter is used in calculating the likelihood function. The modelling procedure is illustrated by using measurements from an experiment where the heat input from electrical heaters is controleld by a pseudorandom binary signal. For the considered building a rather simple model containing two time constants is found adequate. Owing to the continuous-time formulation the parameters of the model are directly physically interpretable. The performance of the model for both forecasting and simulation is illustrated.

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Chen, J. and Wu, C.

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Int. J. Amb. Energy, Jan. 1995, 16, (I), 17-22.

Design of a fuzzy set environment comfort System

Dounis. A. I. et al.. Enerev & Buildinns. 1995. 22. (1). 81-87. The paper presents the des&n of a fuzzy reasoning expert system for the achievement of thermal and visual comfort in buildings. This system does not demand the precise mathematical model of the building to achieve the control law but uses high-level control variables such as thermal and visual comfort. The powerful interactions of the passive components and of the comfort subjectivity match with the application of the fuzzy control theory entirely. Mathemattcal models are presented, where the acttons of the actuators are applied. The design of the rule base is described and, finally, the system is evaluated by using extensive, worst-cast, simulation results.

A display basically oriented towards heating 95104041 Chaud. Froid. Plomb., Jan. 19 5, 49, (565), 57-68. Describes the products on dis $ lay at the EXPOTHERM and SANIPOLIS exhibitions at Lyons, held in November 1994. 95104042 District heating Everaarts, P. G. et al., TWX Msg., Feb. 1995, 24, (2), 7-61. (In Flemish) The magazines contains seven short articles on district heating in the Netherlands.

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Experimental evaluation of new refrigerant mixQSlO4050 tures as replacements for R22 and R502,

Arnemann, M. et al., Kalte, Feb. 1995, 48, (2), 66-74. (In German) Reports on a research project sponsored by Frigoblock Grosskopf Ltd, on eieht different fluorocarbon refrigerant mixtures fulus orooanel which in;estigated their suitability as re;lacements for R\i2, thk mixture 403B containing R22, and for R502. Describes how the test procedure was carried out on a compressor performance test stand and the estimation criteria adopted.

Findings from a low-energy, new commerciai-buiidings research and demonstration pro]ect

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Piette, M. A. et al., Energy, Jun. 1995, 20, (6), 471-482. Energy edge (EE) was a research-oriented demonstration project that began in 1985; 28 buildings were constructed to use 30% less electricity than a hypothetical simulated baseline building. Average energy savi s for 18 buildings evaluated with post-occu any tuned simulation models s ere less at 17%. Only six met the costs o F conserved (CCE) energy. 41% of the individual energy-efficiency measures met the target CCE. The cost effectiveness of the measures would have been greater if the baseline had been common practice rather than the regional building code. The EE small offices use about 30-50% less energy than comparable buildings. Savings also would have been greater if commissioning was included within the program. Future projects should consider lower-cost ‘hands-on’ evaluation techniques with annual check-ups to ensure persistence of savings.

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Domestic gas heating

Clark, T. Heat. Vent. Rev., Mar. 1995, 12-28. Discusses condensing boilers in the Netherlands which account for 50% of all domestic boiler sales. The author argues that this figure could be matched in the UK, with the correct support.

A forum for ail - 31/12/94 - the end of the CFC era

Harck, H. U. et al., Ki Luft Kaltetech., Feb. 1995, 31, (2), 82-84. (In German) Presents the replies of five experts to questions concerning the implications of the phase-out of chlorofluorocarbon refrigerants.

From CFC-12 to HFC-134a -An analysis of a refrigerant retrofit pro]ect

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Draft projects

of electrothermal

refrigerating

systems Bacigalupo, E. fnstallafore Ital., Feb. 1995, 46, (2), 184-203. (In Italian) Discusses the analysis of the possible projects in the field of cogeneration. Classifies the systems and discusses their characteristics, and deals with the system optimisation and ecological issues.

Lowe, R. and Ares, R. Heat. Pip. Air Condit., Jan. 1995, 67, (l), 81-84, 87-90, 119. The paper describes the programme to convert the world’s tallest building’s three 5000 hp centrifugal chillers from the chlorofluorcarbon refrigerant R12 to the hydrofluorocarbon R134a.

Fuel and Energy Abstracts July 1995

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