MICROCOMPUTER CONTROL OF WARM FLOOR HEATED GREENHOUSE.

Gene A. Giacomelli, Michael S. Giniger

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An 11 by 15 meter free span, gutter connected, double polyethylene clad greenhouse was equipped with a porous concrete warm floor heating system. The warm floor heating system consisted of a 30 cm deep, vinyl swimming pool liner, filled with 20 cm of bluestone and capped with a 10 cm layer of porous concrete. It was filled with water to a depth of 20 cm and heated by a hot water boiler through a network of 1. 3 cm diameter pipes embedded within the bluestone. Supplemental heating was supplied by a water to air heat exchanger connected to the boiler. Cooling was achieved by forced air ventilation. There were three stages of ventilation with a maximum capacity of one air change per minute. This paper discusses tests conducted in the greenhouse, along with instrumentation hardware, the software program, and system operation.

Original languageEnglish (US)
Title of host publicationASAE Publication
PublisherASAE
Pages126-135
Number of pages10
ISBN (Print)0916150674
StatePublished - Jan 1 1985
Externally publishedYes

Publication series

NameASAE Publication

ASJC Scopus subject areas

  • Engineering(all)

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  • Cite this

    Giacomelli, G. A., & Giniger, M. S. (1985). MICROCOMPUTER CONTROL OF WARM FLOOR HEATED GREENHOUSE. In ASAE Publication (pp. 126-135). (ASAE Publication). ASAE.