Zobrazeno 1 - 10
of 13
pro vyhledávání: '"J. V. Perumpral"'
Publikováno v:
Transactions of the ASAE. 41:1271-1275
The potential of an intact rye cover crop to reduce machine-induced compaction was the subject of this study. A randomized complete block field experiment was conducted in southwest Virginia in a fine, mixed, mesic, Aquic Agriudolls and in a fine-loa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87f249670db9f58b65c5cd3dfd736414
https://doi.org/10.13031/2013.17294
https://doi.org/10.13031/2013.17294
Publikováno v:
Applied Engineering in Agriculture. 6:359-366
A rule-based expert system, called HSTX, was developed to aid in the selection and sizing of the major components – pump, motor, and final drive – of a hydrostatic transmission. The program analyzes the load, sizes components, selects available c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbb97587cc5b7ee993b28d9721186646
https://doi.org/10.13031/2013.26398
https://doi.org/10.13031/2013.26398
Publikováno v:
Transactions of the ASAE. 28:1354-1357
A hydraulically operated, inverted grapple infeed system was developed to feed heterogeneous wood residue into a baler. Finite element analysis was conducted to check the integrity of the design. Input data for the analysis was collected during field
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21ec2291e4f7401e729174380fc5ecb7
https://doi.org/10.13031/2013.32438
https://doi.org/10.13031/2013.32438
Autor:
J. V. Perumpral
Publikováno v:
Transactions of the ASAE. 30:0939-0944
THIS report provides a history of cone penetrometers, a description of the various types, an explanation of the factors affecting the penetration resistance, and a discussion of possible applications of cone penetrometers.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd8b2727824afda7b0b733c6e0caf134
https://doi.org/10.13031/2013.30503
https://doi.org/10.13031/2013.30503
Publikováno v:
Journal of the Engineering Mechanics Division. 108:731-747
A finite element procedure for the general problem of three-dimensional soil-structure interaction involving nonlinearities caused by material behavior, geometrical changes, and interface behavior is presented. The formulation is based on the updated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27ec61d600439e0ec113914f8d3084c7
https://doi.org/10.1061/jmcea3.0002867
https://doi.org/10.1061/jmcea3.0002867
Publikováno v:
Transactions of the ASAE. 32:1112-1120
This paper reports the modifications made to a microprocessor-based engine control system, which was previously reported (Zhang et al., 1987). The system was designed to improve the operating efficiency of a tractor diesel engine. Hardware improvemen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfa5940d0a5b726e8da39d108a583048
https://doi.org/10.13031/2013.31120
https://doi.org/10.13031/2013.31120
Publikováno v:
Transactions of the ASAE. 29:0045-0050
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d0a470dd691e7c40c6ea96be3740d30
https://doi.org/10.13031/2013.30099
https://doi.org/10.13031/2013.30099
Publikováno v:
Transactions of the ASAE. 23:1072-1075
THE paper describes a matrix procedure developed for analyzing the data from a multiple degree freedom dynamometer to obtain the forces and moments on a tillage tool. The theory and the procedure is discussed in detail. The procedure has been verifie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa9eb0f41f27f38f8f089134946a1de9
https://doi.org/10.13031/2013.34720
https://doi.org/10.13031/2013.34720
Autor:
J. V. Perumpral, J. C. Miller
Publikováno v:
Transactions of the ASAE. 17:0034-0037
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1293c62e7de0f02ab2c7b95db7ccb998
https://doi.org/10.13031/2013.36780
https://doi.org/10.13031/2013.36780
Publikováno v:
Transactions of the ASAE. 28:369-373
DESPITE a three-fold difference in mean ground pressure, changes in soil density and porosity caused by an unloaded, rubber-tired log skidder did not exceed those caused by a crawler. The changes in soil density and porosity caused by these machines
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ac8f95a75d7b46257d2ad12ffdedf6a
https://doi.org/10.13031/2013.32260
https://doi.org/10.13031/2013.32260