DETERMINATION AND COMPARISON OF PHYSICAL AND MECHANICAL PROPERTIES OF THREE EXPORT VARIETIES OF APPLE

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MASOUDI H.; TABATABAEIFAR SEYED AHMAD; BORGHEEI A.M.; SHAHBEYK M.A.

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Journal: Year:2005 | Volume:11 | Issue:3 Page(s): 215-231

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Title

DETERMINATION AND COMPARISON OF PHYSICAL AND MECHANICAL PROPERTIES OF THREE EXPORT VARIETIES OF APPLE

Author(s)

MASOUDI H. | TABATABAEIFAR SEYED AHMAD | BORGHEEI A.M. | SHAHBEYK M.A. | Issue Writer Certificate

Keywords

APPLEQ2

PHYSICAL CHARACTERISTICSQ2

MECHANICAL PROPERTIESQ4

Abstract

Determination of physical and MECHANICAL PROPERTIES of produced APPLE is necessary for designing machineries, handling and improving processing line in order to reduce the quality and quantity losses. In this study, three different grown varieties of Iranian export APPLEs (Red delicious, Golden delicious and Granny smith) were randomly chosen from refrigerated room off wooden boxes after four month storage. After this period, two sets of experiment were conducted on determination of physical and MECHANICAL PROPERTIES. First set of experiment was conducted on physical properties in completely randomized block design for 4 repetitions. PHYSICAL CHARACTERISTICS were included of dimensions, mean geometric diameters, sphercity, weight, volume and bulk density. Second experiment was conducted on analysis of MECHANICAL PROPERTIES of APPLE in completely randomized design for nine repetitions. Independent variable was three varieties of APPLEs and dependent variables were modulus of elasticity, failure stress, failure strain, failure energy and toughness. Mean and standard deviation values of physical properties for Golden delicious, Red delicious and Granny smith respectively were determined for height was 73.60±2.75, 75.66 ±3.24 and 66.58±3.88mmg, eometric mean diameters was 75.86±1.98, 79.70±2.519 and 71.44±2.417mm, sphercity was 97.46±1.03, 96.01±1.62 and 95.48±1.53 percent, weight was 198.2±13.42, 231.1±18.52 and 167.1±12.34 g volume was 247.9±16.86,284.1±23.49 and 203.7 ±16.4cc, bulk density was 0.80±0.012, 0.814±0.019 and 0.821±0.018 glee. Mean values for dimensions, height, geometric mean diameters, weight, volume had significant difference among different varieties. For Red delicious and Granny smith variety the sphercity and bulk density did not have significant differences but they had significant differences in these characteristics with Golden delicious in 5 % probability Mean and standard deviation values of MECHANICAL PROPERTIES for Golden delicious, Red delicious and Granny smith respectively, were determined for modulus of elasticity was 1.36±0.34,1.60±0.56, failure stress was 0.19±0.061, 0.102±0.046 and 0.25±0.049MPaf, ailure strain was 12.46±2.86, 6.27±2.17 and 10.33±2.19 percent, failure energy was 13.80±6.08,4.31±3.37 and 16.09±4.59mJ and 2.49±0.70MPa, toughness was 0.012 ±0.0050, 0.004±0.003 and 0.014±0.004 mJ/mm3. Mean values for failure stress and failure strain had significant difference among different varieties. For Red delicious and Golden delicious variety the modulus of elasticity did not have significant differences but they had significant differences with Granny smith. For Golden delicious and Granny smith variety the failure energy and toughness did not have significant differences but they had significant differences with Granny smith. The effect of variety had significant differences in all the values in 1 % probability.

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APA: Copy

MASOUDI, H., TABATABAEIFAR, SEYED AHMAD, BORGHEEI, A.M., & SHAHBEYK, M.A.. (2005). DETERMINATION AND COMPARISON OF PHYSICAL AND MECHANICAL PROPERTIES OF THREE EXPORT VARIETIES OF APPLE. JOURNAL OF AGRICULTURAL SCIENCES, 11(3), 215-231. SID. https://sid.ir/paper/7821/en

Vancouver: Copy

MASOUDI H., TABATABAEIFAR SEYED AHMAD, BORGHEEI A.M., SHAHBEYK M.A.. DETERMINATION AND COMPARISON OF PHYSICAL AND MECHANICAL PROPERTIES OF THREE EXPORT VARIETIES OF APPLE. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2005;11(3):215-231. Available from: https://sid.ir/paper/7821/en

IEEE: Copy

H. MASOUDI, SEYED AHMAD TABATABAEIFAR, A.M. BORGHEEI, and M.A. SHAHBEYK, “DETERMINATION AND COMPARISON OF PHYSICAL AND MECHANICAL PROPERTIES OF THREE EXPORT VARIETIES OF APPLE,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 11, no. 3, pp. 215–231, 2005, [Online]. Available: https://sid.ir/paper/7821/en

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