Search
Now showing items 11-20 of 27
SolCaFe': a solar cooking facility for schools and small catering business in hot arid areas
(2010-04-06)
A solar cafeteria, termed, `SolCafe’ was designed and commissioned at a residential school of hundred children in Kothara-Kutch. In this paper we present the experience of its first
year of operation. Cooking modules of ...
Robust design but indifferent manner of use: family bio-gas plants in Gujarat
(2010-04-06)
Potential for family size biogas plants is estimated to be about 12 lakh in Gujarat. Nearly 2 lakh units have been actually installed by 1993. Deenbandhu model appears to be the most popular. In this paper we present an ...
Greenhouse cultivation in a hot arid area
(2011-09-02)
A facility for controlled environment agriculture is under investigation at Kothara (Kutch), a hot and extremely arid region. It consists of a greenhouse of 120 m2 floor area coupled in closed-loop mode to an earth-tube- ...
Product planning and models of diffusion-I
(2010-04-05)
First purchase sales volume curve of box type solar cooker indicated that the product has passed maturity in Gujarat. We have initiated collaborative redesign work to improve the product. Central element of redesign concept ...
Analysis of congestion in wholesale vegetable and fruit market of ahmedabad
(2010-03-31)
Regulated Wholesale Markets in cities are the first destination of vegetables and fruits meant for fresh retailing. Congestion, crowding and litter are the striking features of these markets. Although the produce spends ...
Reliability analysis of APOLY-12-PU-500 windmills
(2010-03-14)
Breakdown data of APOLY-12-PU-500 windmills of Gujarat has been analysed. Bartlett's test suggested the plausibility of failure being exponentially distributed. The mean-time-between-failure (MTBF) was estimated, expected ...
Availability and work targets of bulldozers
(2010-04-05)
Setting work targets for machines is an important task for engineering managers, especially where they operate large fleets with machines of different makes and ages. Setting uniform work targets is easier but it does not ...
An operational study of CJ Patel Vegetable and Fruit Market of Ahmedabad
(2010-07-27)
We present in this paper, an operational study of CJ Patel Wholesale Fruit and Vegetable Market (CJP Market) of Ahmedabad city. The market is viewed as a dynamic queuing system. A simulation model is constructed. Simulations ...
An investigation into utility of electrical back-up in box cooker
(2010-03-27)
Systematic efforts to promote the use of box solar cookers began in 1979 in Gujarat, along with similar efforts in other parts of the country. During this 15 year period only about 34,000 units have been sold in Gujarat. ...
Fourier representation of ambient temperature and solar radiation
(2010-03-27)
This paper contains fourier representation of ambient temperature and global solar radiation for Ahmedabad, Bhavnagar, Bombay and Jodhpur. The results may be useful for those working on solar thermal appliances, crop growth ...