Pub Date : 1987-05-01DOI: 10.1016/0167-5826(87)90022-2
R.S.R. Gupta, A. Sharma, A. Rao
{"title":"Study on labour and power inputs for agriculture production in Harikot village of Haryana State, India","authors":"R.S.R. Gupta, A. Sharma, A. Rao","doi":"10.1016/0167-5826(87)90022-2","DOIUrl":"https://doi.org/10.1016/0167-5826(87)90022-2","url":null,"abstract":"","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"22 1","pages":"57-61"},"PeriodicalIF":0.0,"publicationDate":"1987-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75927165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1987-05-01DOI: 10.1016/0167-5826(87)90024-6
K. Lo, P. Liao
{"title":"Performance of anaerobic rotating biological contact reactors using wood and plastic support media.","authors":"K. Lo, P. Liao","doi":"10.1016/0167-5826(87)90024-6","DOIUrl":"https://doi.org/10.1016/0167-5826(87)90024-6","url":null,"abstract":"","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"34 1","pages":"77-84"},"PeriodicalIF":0.0,"publicationDate":"1987-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74625699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1987-05-01DOI: 10.1016/0167-5826(87)90020-9
K. Thanvi, P. C. Pande
{"title":"Development of a low-cost solar agricultural dryer for arid regions of India","authors":"K. Thanvi, P. C. Pande","doi":"10.1016/0167-5826(87)90020-9","DOIUrl":"https://doi.org/10.1016/0167-5826(87)90020-9","url":null,"abstract":"","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"12 1","pages":"35-40"},"PeriodicalIF":0.0,"publicationDate":"1987-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91550367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1987-05-01DOI: 10.1016/0167-5826(87)90018-0
T. Boulard, A. Baille
{"title":"Analysis of thermal performance of a greenhouse as a solar collector","authors":"T. Boulard, A. Baille","doi":"10.1016/0167-5826(87)90018-0","DOIUrl":"https://doi.org/10.1016/0167-5826(87)90018-0","url":null,"abstract":"","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"8 1","pages":"17-26"},"PeriodicalIF":0.0,"publicationDate":"1987-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74258345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1986-12-01DOI: 10.1016/0167-5826(86)90031-8
I. Amir, M. Mcfarland, D. Reddell
{"title":"Energy analysis of lateral move irrigation machines","authors":"I. Amir, M. Mcfarland, D. Reddell","doi":"10.1016/0167-5826(86)90031-8","DOIUrl":"https://doi.org/10.1016/0167-5826(86)90031-8","url":null,"abstract":"","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"17 1","pages":"325-337"},"PeriodicalIF":0.0,"publicationDate":"1986-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84284179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1986-12-01DOI: 10.1016/0167-5826(86)90028-8
G. Robertson, A. Pavláth
{"title":"Simultaneous water adsorption from ethyl alcohol and oil extraction from corn","authors":"G. Robertson, A. Pavláth","doi":"10.1016/0167-5826(86)90028-8","DOIUrl":"https://doi.org/10.1016/0167-5826(86)90028-8","url":null,"abstract":"","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"115 1","pages":"295-308"},"PeriodicalIF":0.0,"publicationDate":"1986-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77062753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1986-12-01DOI: 10.1016/0167-5826(86)90032-X
K.V. Lo, P.H. Liao
Psychrophilic (12°C) anaerobic digestion in a laboratory scale (4 l) fixed-film reactor fed with screened dairy manure was successfully attained from a mesophilic fixed-film reactor. Within an operational period of month, methane production rate of 0.27 l CH4 l−1 day−1 obtained at 1 day hydraulic retention time. The highest methane production rate was 0.30 l CH4 l−1 day−1 at a loading rate of 28.7 g VS l−1 day−1 at 1 day hydraulic retention time. This study indicates that fixed-film reactor can handle a sudden change of temperature without stopping gas production, and also a high loading rate and short hydraulic retention time with no signs of process instability.
在实验室规模（4升）的固定膜反应器中，用筛选的奶牛粪便成功地从中温固定膜反应釜中获得了嗜冷（12°C）厌氧消化。在212个月的运行期内，在1天的水力停留时间内，甲烷产量为0.27 l CH4 l−1天−1。在28.7 g的加载速率下，最高甲烷生产速率为0.30 l CH4 l−1 day−1，而在1天的水力停留时间内，最高甲烷产量为0.30 l CH4 l−2 day−1。这项研究表明，固定膜反应器可以在不停止气体生产的情况下处理温度的突然变化，并且具有高加载速率和短水力停留时间，没有过程不稳定的迹象。
{"title":"Psychrophilic anaerobic digestion of screened dairy manure","authors":"K.V. Lo, P.H. Liao","doi":"10.1016/0167-5826(86)90032-X","DOIUrl":"https://doi.org/10.1016/0167-5826(86)90032-X","url":null,"abstract":"<div><p>Psychrophilic (12°C) anaerobic digestion in a laboratory scale (4 l) fixed-film reactor fed with screened dairy manure was successfully attained from a mesophilic fixed-film reactor. Within an operational period of <span><math><mtext>2</mtext><mtext>1</mtext><mtext>2</mtext></math></span> month, methane production rate of 0.27 l CH<sub>4</sub> l<sup>−1</sup> day<sup>−1</sup> obtained at 1 day hydraulic retention time. The highest methane production rate was 0.30 l CH<sub>4</sub> l<sup>−1</sup> day<sup>−1</sup> at a loading rate of 28.7 g VS l<sup>−1</sup> day<sup>−1</sup> at 1 day hydraulic retention time. This study indicates that fixed-film reactor can handle a sudden change of temperature without stopping gas production, and also a high loading rate and short hydraulic retention time with no signs of process instability.</p></div>","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"5 4","pages":"Pages 339-345"},"PeriodicalIF":0.0,"publicationDate":"1986-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5826(86)90032-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72103674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1986-12-01DOI: 10.1016/0167-5826(86)90030-6
G. Pellizzi
{"title":"A procedure to evaluate energy contribution of biomass","authors":"G. Pellizzi","doi":"10.1016/0167-5826(86)90030-6","DOIUrl":"https://doi.org/10.1016/0167-5826(86)90030-6","url":null,"abstract":"","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"6 1","pages":"317-324"},"PeriodicalIF":0.0,"publicationDate":"1986-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73535145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1986-12-01DOI: 10.1016/0167-5826(86)90031-8
Ilan Amir , Marshall J. McFarland, Donald L. Reddell
The energy required to operate linear-move irrigation machines fed by flexible hoses is analyzed in this paper. The total energy requirement was divided into five components: three related to distributing the water, and two related to moving the machine and dragging the hose. The energy components are represented by mathematical equations and a numerical example is presented using available data for a typical short (72 m) and long (360 m) lateral move irrigation machine. The major findings are: (a) 60–70% of the energy is required to distribute the water; (b) the energy required to move the machine and to drag the flexible hose is less than 3%; and (c) the short machine consumes 30% less energy than the long machine, mainly due to the low-pressure control system for water distribution on the soil surface.
{"title":"Energy analysis of lateral move irrigation machines","authors":"Ilan Amir , Marshall J. McFarland, Donald L. Reddell","doi":"10.1016/0167-5826(86)90031-8","DOIUrl":"https://doi.org/10.1016/0167-5826(86)90031-8","url":null,"abstract":"<div><p>The energy required to operate linear-move irrigation machines fed by flexible hoses is analyzed in this paper. The total energy requirement was divided into five components: three related to distributing the water, and two related to moving the machine and dragging the hose. The energy components are represented by mathematical equations and a numerical example is presented using available data for a typical short (72 m) and long (360 m) lateral move irrigation machine. The major findings are: (a) 60–70% of the energy is required to distribute the water; (b) the energy required to move the machine and to drag the flexible hose is less than 3%; and (c) the short machine consumes 30% less energy than the long machine, mainly due to the low-pressure control system for water distribution on the soil surface.</p></div>","PeriodicalId":100470,"journal":{"name":"Energy in Agriculture","volume":"5 4","pages":"Pages 325-337"},"PeriodicalIF":0.0,"publicationDate":"1986-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0167-5826(86)90031-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72066788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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