ANALISA PERFORMANSI HEAT PUMP MENGGUNAKAN COUNTER FLOW HEAT EXCHANGERS

Heat pump is a device that can be make heat and cool , which is functions as a cooling evaporator can be replaced to be a heating condenser. With adding a heat exchanger in the heat pump can provide better effect of heating and cooling. In this experiment, the heat pump using type hydrocarbon refrigerantand type friendly refrigerant to the environment, one of refrigerant isR-290. From the results that obtained value Coefficient Of Performance (COP) in the heat pump that uses a counter flow heat exchanger is 4.8 while the heat pump that does not use a counterflow heat exchanger obtained COP of 4.1. Efficiencies increase in the heat pump without using counter flow heat exchanger is 74%, otherwise the efficiency decrease of the heat pump using heat pump is 85%

Kajian Eksperimen Heat Exchahger Pada Heat Pump Menggunakan Refrijeran Hidrokarbon

Heat pump atau pompa kalor merupakan suatu alat yang bisa mendinginkan dan memanaskan, dimana fungsi evaporator sebagai pendinginan bisa diubah menjadi pemanasan sebagai fungsi kondensor dengan menggunakan reversing valve. Dengan menambahkan heat exchanger pada heat pumpyang dipasang pada suction line dan discharge line akan menghasilkan Perubahan temperatur pada suction line lebih tinggi dan temperatur discharge line lebih rendah dibandingkan dengan sistem heat pump yang tidak menggunakan heat exchanger. Heat pump ini menggunakan refrijeran jenis hidrokarbon yang ramah terhadap lingkungan yaitu jenis refrijeran R-290. Dari hasil penelitian yang didapat bahwa nilai Coefficient Of Performance(COP) pada heat pump yang menggunakan heat exchanger adalah 4,8 sedangkan COP pada heat pumpyang tidak menggunakan heat exchanger sebesar 4,1.Sehingga selisih COP pada heat pump antara yang menggunakan heat exchanger dengan tanpa menggunakan heat exchangersebesar 0,7. Sedangkan efisiensi yang didapat pada heat pumpdengan menggunakan heat exchanger tertinggi sebesar 90,3% sedangkan tanpa menggunakan heat exchanger tertinggi sebesar 78,95%

Rancang Bangun & Analisis Sistem Sistem Informasi Perpustakaan Menggunakan Model Waterfall (Studi Kasus: STMIK Wicida Samarinda)

UPT. Library of College Management of Informatika Computer (STMIK) Wicida Samarinda East Kalimantan, representing peripatetic library in the field of loaning of books library of which can support student science. All activity at library still conducted manually, that is by noting every activity at one particular jotter. Information system is a structure system which consists of components which is interaction to support activities to present information at one particular organization. Applying of information system at library can assist to facilitate activity of library, especially activity related to presentation of information at library. Waterfall represent a model taking activity of elementary process like specification, development, validation, and evolution, and him as different process phases like specification of conditions, scheme of software, implementation, examination, and so on. Applying of model of waterfall at library information system expected can facilitate in activity of library especially in activity of loaning transaction and return of library book. Library book given by label of code (NIPUS) and membership card given by member number to facilitate process identify member and book at time of activity of loaning transaction and return. This research is expected can be made as media to water down activity at library, especially at UPT. Library of College Management of Informatika and Computer (STMIK) Wicida Samarinda East Kalimantan

ANALISIS PERANCANGAN E-COMMERCE TART & CAKE FAFA CHEESE BERBASIS WEB

This study discusses about e-commerce analysis and design at the Fafa Cheese shop. The sales system is still done manually, monthly data reports are still done in recording into a book which can lost sales reports, and there is no price information and tart sold, it is necessary to have the delivery status of the tart sold. The development of this sales information system uses the waterfall development system. This study aims to design an online cake sales application, provide information about prices and cakes sold and provide information that cakes have been sent to customers. The results of this study are the creation of e-commerce design, making it easier to make monthly reports, the availability of price information and cakes sold, and the status of cake delivery if the cake has been sent to the customer. &nbsp

The Formulation of High-Calorie and Rich-Fe Biscuits for Pregnant Women with Chronic Energy Malnutrition

Supplementary food distribution for pregnant women still depends on the local policy. This program is funded using Health Operational Funds and distributed in form of milk, eggs, raw materials such as green beans and others. The field constraints of this program were acceptability and willingness of pregnant women to process the raw materials. This study aims to address the problems of providing supplementary food for pregnant women who suffer from chronic energy malnutrition and anemia by making the formulation of high protein biscuits and Fe using soybean flour substitution catfish eggs and flour as a source of protein and Fe. Biscuits produced is expected to be one of the snacks and nutritions for women who suffer from chronic energy deficeincy. The ingredients were flour, fish powder, soy flour, eggs, milk powder, sugar, and maize flour. The method used was pure experimental approach completely randomized design with three times repetition. The formulation of the biscuits proportion between fish and soy flour as much as 2:1, 1:1, and 1:2. Proximate test shows that the proportion of fish and soy flour 1:2 has the highest energy value (496.81 kcal) with a value of 17.74% protein. Organoleptic test indicates that the most favorable taste and tekstur was the formulation with the proportion of fish flour and soy flour 1:2. The formulation of high protein and Fe biscuits for women with chronic energy malnutrition and anemia in Boyolali favoured by third trisemester pregnant women is the one with the proportion of 1:2

PENERAPAN GRAPH-COLORING UNTUK REKOMENDASI PUSAT OLEH-OLEH KHAS SAMARINDA

There are too many souvenir centers in Samarinda. Usually, it makes everyone confused to choose it, and it takes a long time to decide. This is one of the most common problems. In determining the location of the souvenir center, it is necessary to use place recommendations to save time. Therefore we need a system and method that can be applied to recommend a souvenir center. The souvenir center place recommendation application is made to help everyone in finding a souvenir center place with a choice of types of souvenirs. The method used is the Graph Coloring Method; with the application development method used is Waterfall consisting of data analysis, technology analysis, system analysis, information analysis and user analysis. The result of this research is that an application for determining the souvenir center, that application ion can recommend a center for souvenirs with the same choice of souvenirs. Users can input the type of souvenirs that they want, and then the application will recommend the center of the souvenirs by using a simple row and point coloring algorithm. After processing, the application will be able to display the results of recommendations for souvenir centers with the same type of souvenirs

STUDI TENTANG POLA HIDUP TIDAK SEHAT DALAM RANGKA PENINGKATAN TARAF KESEHATAN MASYARAKAT DI DESA KARANGGINTUNG KECAMATAN SUMBANG KABUPATEN BANYUMAS TAHUN 2009

ABSTRACT Government continue to try to improve level health of society through various developed program. Behavior of society represent one of the level determinant health of society. This Research aim to know various indisposed behavior which done by Countryside society of Karanggintung District Sumbang of Sub-Province of Banyumas. This type research is research of observasional with method survey and this research have the character of analytic descriptive, that is research elaborating and diging how a phenomenon happened. Population at this research is all citizen residing in or residing in Countryside of Karanggintung  District Sumbang of Sub-Province of Banyumas counted 1.080 family head occupying house counted 973. Because research location do not too wide of, hence all population made as research sampel. Thereby this research is research of population. Data collecting done by observation or perception at research location. From result of research concluded as indisposed behavior which still done by Countryside society of Karanggintung District Sumbang of Sub-Province of Banyumas, covering: (1) take a bath, cleaning clothes and clean appliances/ housewares of household in river, (2) defecating, throwing away garbage and throw away family waste to river, (3) still many under the way house and look after livestock close to house, even include livestock into house, and (4) still many lawn or location which do not maintained (to be growed by crop no advantage, bamboo trees, big trees don't maintained, etc.), less grave location maintained, dirty gangways and growed by many grass, and also dirty street shoulders because grass and garbage) Keyword: Indisposed life pattern, Public health. Kesmasindo Volume 3, Nomor 1, Januari 2010, hlm. 66-75       &nbsp

Emotional eating, snacking behavior and nutritional status among adolescents

The tendency to eat in response to stress known as emotional eating (EmE). Individuals with EmE usually has been change their dietary pattern towards more unhealthy snacking which contribute to overweight. This study aims to examine the interrelationship between EmE, snacking behavior and nutritional status among adolescents. This was an analytic observational with a cross sectional design study. It was conducted in Surakarta, on August 2019. Total 140 adolescents aged 14-17 years were selected. The data ofEmE were measured by Emotional Eater Questionnaire (EEQ), data of snacking behaviour measured by food frequencies questionnaire (FFQ),and BMI were measured using weight scale and microtoice. Data wereanalyzed by descriptive, bivariate and binary logistic using SPSS v.23. There was significantly difference of EmE and snacking behavior in underweight, normal, and overweight adolescents. We found that underweight (4.17±3.16) and normal individuals (4.97±4.19) were not an emotional eater, and less sweet snacks and sweet drinks consumption while overweight individuals were an emotional eater (14.26±6.04) and eat more sweet snacks, and sweet drinks (p<0.001) during negative emotional states. It was shown that emotional eating and snacking behavior were found higher in overweight than underweight and normal individuals

The relationship between household good security and incidence of stunting in toddlers during the new normal: A systematic review

Background: Stunting is a growth disorder and malnutrition problem experienced by toddlers worldwide and affects the quality of human resources that have an essential role in developing a nation. Households experiencing food insecurity led to a lack of nutritional intake and stunting. This work aimed to analyze the relationship between household food security with the incidence of stunting in toddlers during the new normal era. Method: This was a systematic review design conducted by searching relevant articles from some databases: Google Scholar, PubMed, and Science Direct using the keywords (“Household Food Security” OR “Food Security Families”) AND (“Stunting” OR “Stunted” “Nutritional Status”) AND (“Toddlers” OR “Children”) AND (“New Normal” OR “Adaptation of “new habits”) in Bahasa Indonesia and English. This work was performed following PRISMA guidelines. Articles were selected based on inclusion criteria: publication date from 2017 to 2022, food security with stunting incidence and factors affecting stunting, full text, open access, and academic journals. Articles were analyzed using a matrix table. Results: Based on the search results for articles that match the keywords, there are 333 articles. Of these, ten articles come from Indonesia, Iran, and Rwanda. The analyzed articles were selected from 10 articles. Conclusion: This study concludes that there is a relationship between household food security and the incidence of stunting in toddlers during the new normal