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Vivekanandan, S.
- The Study of Biogas Production from Rice Chaff (Karukka) as Co-substrate with Cow Dung
Authors
1 Solar/ Energy Lab., Dept. of Mechanical Engg., Annamalai Univ., Annamalai Nagar, Chidambaram, TN 608002, IN
Source
Indian Journal of Science and Technology, Vol 4, No 6 (2011), Pagination: 657-659Abstract
The rice chaff with co-digestion of cow dung for biogas production at laboratory scale was the subject of this investigation. The study was carried out at mesophilic condition between (26-30°C) for a period of 60 days with seven percent total solid concentration was taken for the fermentation slurry. Experiment study was conducted for three different proportion case (i) 50% weight of boiled rice chaff plus 50% weight of cow dung (ii) 75% weight of rice chaff (boiled) plus 25% weight of cow dung (iii) 50% weight of raw rice chaff (without boiled) plus 50% of cow dung. The result showed a cumulative biogas production of 161.5ml in case (i) for the retention time of 60 days. In case (ii) showed the biogas production of 140.5 ml for the retention time of 70 days and in case (iii) there was no significant gas production due to high percent of lignin in raw rice chaff.Keywords
Biogas, Co-digestion, Fermentation, Agriculture Waste and Rice ChaffFull Text
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- ECG Transmission through Wireless Technique and its Analysis using LabVIEW
Authors
1 VIT University, Vellore-632014, IN
2 Electronics and Instrumentation Engineering at VIT University, Vellore-632014, IN
Source
Wireless Communication, Vol 2, No 7 (2010), Pagination: 159-163Abstract
Telemedicine is one of the rapidly developing fields nowadays. Hence remote monitoring of patients plays a vital role in faster diagnosis and treatment. In this paper we discuss about the development of a wireless ECG transmission and analysis system. Here continuous monitoring of the patient’s ECG signal is carried out with the help of wireless techniques such as ZigBee and Bluetooth. These wireless techiniques enables the doctor to monitor the patient from a remote place. In this paper we discuss about two different wireless techniques namely ZigBee and Bluetooth and compare their performance efficiency. The signal obtained is then amplified and filtered. The analog output from the signal conditioning circuit is converted into digital form by a microcontroller. The digital data is then sent to the wireless module via UART communication. The ECG data obtained in the receiver end is analyzed using LabVIEW. The analysis involves, determining the heart rate of the person and displaying the results.
