with the collaboration of Iranian Society of Mechanical Engineers (ISME)
Nanotechnology (packaging films, biocomposites, solar cells)
Investigating the Effect of Storage Time on the Mechanical Properties of Biodegradable Polylactic Acid Film Containing Zinc Oxide Nanoparticles

N. Tajari; H. Sadrnia; F. Hosseini

Volume 14, Issue 3 , September 2024, , Pages 283-299

https://doi.org/10.22067/jam.2023.81863.1160

Abstract
  IntroductionPolylactic acid (PLA) is a biodegradable polymer that can replace petroleum-based materials in packaging films due to its unique properties. However, sometimes the degradability of polymers can be considered a negative factor, such as when significant changes in the mechanical properties ...  Read More

Numerical Solution of Mass Transfer Process during Drying of Apple Slices Using Pseudospectral Method

A. Pasban; M. Mohebbi; H. Sadrnia; S. A. Shahidi

Volume 9, Issue 1 , 2019, , Pages 113-122

https://doi.org/10.22067/jam.v9i1.63511

Abstract
  Introduction Convective air drying is one of the oldest and most popular drying methods. Designing and controlling the convective air drying needs the mathematical description of the moisture transfer during the drying process, known as drying kinetics. Fick’s second law of diffusion can be used ...  Read More

Prediction of Temperature Distribution within a Piece of Date Palm Trunk during the Microwave Heating Treatment to Control Rhynchophorus Ferrugineus

S. Mollazehi; H. Sadrnia; M. R. Bayati

Volume 8, Issue 2 , 2018, , Pages 333-345

https://doi.org/10.22067/jam.v8i2.62524

Abstract
  Introduction In recent decays, the microwave heating treatment is one of the best ways for the pest control. It is difficult to determine temperature in different parts of materials by Thermometer, but we can solve this problem by Comsol Multiphysics Software. In a research, results of a farm test were ...  Read More

Presentation of a Modified Boustrophedon Decomposition Algorithm for Optimal Configuration of Flat Fields to use in Path Planning Systems of Agricultural Vehicles

R. Goudarzi; H. Sadrnia; A. Rohani; M. Nouribaygi

Volume 8, Issue 1 , 2018, , Pages 171-183

https://doi.org/10.22067/jam.v8i1.58398

Abstract
  Introduction The demand of pre-determined optimal coverage paths in agricultural environments have been increased due to the growing application of field robots and autonomous field machines. Also coverage path planning problem (CPP) has been extensively studied in robotics and many algorithms have been ...  Read More

Analysis of different inputs share and determination of energy Indices in broilers production in Mashhad city

H. Sadrnia; M. Khojastehpour; H. Aghel; A. Saiedi Rashk Olya

Volume 7, Issue 1 , 2017, , Pages 285-297

https://doi.org/10.22067/jam.v7i1.37205

Abstract
  Introduction The high energy consumption is one of the serious problems in poultry industry. The poultry industry consume about five percent of total energy sources in different countries, with consideration of losses, it increases up to 16-20%. In the year 2003 also, the Iranian chicken meat consumption ...  Read More

Predicting working days for secondary tillage and planting operation in fall

A. Kosari Moghaddam; H. Sadrnia; H. Aghel; M. Bannayan Aval

Volume 6, Issue 2 , 2016, , Pages 537-546

https://doi.org/10.22067/jam.v6i2.38089

Abstract
  Introduction The working day is an important component in selection and analysis of farm machinery systems. The number of working days is affected by various factors such as climate, soil characteristics and type of operation. Daily soil moisture models based on weather long-term data and soil characteristics ...  Read More

Comparison of Two Methods of Purple Top Turnip Drying Based on Energy Consumption and Quality Parameters

H. Sadrnia; H. Monfared; M. Khojastehpour

Volume 5, Issue 1 , 2015, , Pages 143-153

https://doi.org/10.22067/jam.v5i1.22910

Abstract
  Drying is one of the oldest methods to preserve agricultural products and hence expanding the food market. By drying, the agricultural products can be stored and transferred to the market throughout the year. One of the most important and nutritious vegetables is turnip which can be used by drying in ...  Read More

Evaluation of Watermelon Ripeness by Analyzing Sounds Generated from Imposed Impact

M. Saadatinia; B. Emadi; H. Sadrnia

Volume 4, Issue 2 , 2014, , Pages 296-304

https://doi.org/10.22067/jam.v4i2.34824

Abstract
  One of the nondestructive methods for assessing the internal quality of some fruits is the processing and analyzing the sound signals generated by an impact on the fruit. In this regard determining the location and the suitable impact levels for a certain fruit is required. In this study, the selected ...  Read More

Effect of Calcium Chloride Concentration on Some Mechanical Properties of Apple during Storage

M. Jafarian; H. Sadrnia; M. H. Aghkhani

Volume 3, Issue 2 , 2013, , Pages 133-143

https://doi.org/10.22067/jam.v3i2.25169

Abstract
  Today, the use of coatings is common to maintain the quality of fruits in storage period. Previous studies have shown that the calcium compounds can improve and preserve the strength of fruit’s cell wall. In this research, the effect of calcium chloride dehydrate (CaCl2*2H2O) concentration on two ...  Read More